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Engine Block Hoses
By OE Match
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
90º coolant fitting at the alternator.
Includes O-ring; Premium Metal Construction
Fits:
Porsche 955 Cayenne S / Turbo 4.5L 2003-06
M 816 09867 >>
M 8260 4064 >>
Porsche 957 Cayenne 4.8L 2007-10
Porsche 958 Cayenne 4.8L 2010-18
Porsche 970 Panamera 4.8L 2010-16
Diagram ref no 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810646200PRM
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
90º coolant fitting at the alternator.
Fits:
Porsche 955 Cayenne S / Turbo 4.5L 2003-06
M 816 09867 >>
M 8260 4064 >>
Porsche 957 Cayenne 4.8L 2007-10
Porsche 958 Cayenne 4.8L 2010-18
Porsche 970 Panamera 4.8L 2010-16
Diagram ref no 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810646200
The product you are viewing cross references to these numbers
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
This OE match breather line is a direct replacement for the original Porsche coolant vent hose fitted to Porsche 970.1 Panamera models equipped with 3.6L and 4.8L petrol engines. It forms part of the engine cooling system and helps regulate coolant circulation, pressure equalisation, and venting within the cooling circuit.
Fits:
Porsche 970.1 Panamera 3.6L >>2013
Porsche 970.1 Panamera 4.8L S / GTS / Turbo >>2013
Diagram ref no 11
The breather line vents and circulates coolant within the engine cooling system, helping maintain correct coolant pressure, eliminate trapped air, and support stable engine operating temperatures.
Function
• Connects coolant vent and expansion tank pipework
• Helps eliminate trapped air from the cooling system
• Supports coolant circulation and pressure regulation
• Maintains stable engine operating temperatures
• Reduces risk of coolant leaks and overheating
Cooling system vent hoses are constantly exposed to heat, coolant pressure, and vibration. Over time, the hose material can harden or crack, increasing the risk of coolant leaks and cooling system pressure loss. Replacing worn breather lines helps maintain reliable cooling system operation and reduces the risk of overheating or engine damage.
When to replace
• Visible coolant leaks or staining
• Cracked or brittle hose material
• Cooling system pressure loss
• Overheating or fluctuating coolant temperatures
• During preventative cooling system maintenance
• During radiator or expansion tank replacement
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
97010631001
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
The Coolant Breather Line, Rear is a OE MATCH cooling system component designed to allow controlled ventilation within the rear section of the engine’s coolant circuit. This breather line helps release trapped air from the cooling system, ensuring smooth and consistent coolant circulation.
Fits:
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2012-17
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Diagram Ref No 12
What This Product Does:
- Allowing trapped air to escape from the coolant circuit
- Preventing air pockets within the cooling system
- Supporting consistent coolant flow
- Maintaining correct system pressure balance
- Helping ensure stable engine operating temperature
Symptoms Of Wear Or Failure:
- Coolant leaks near the rear of the engine
- Visible cracks, brittleness, or splits in the line
- Coolant smell from the engine bay
- Low coolant warning light
- Air in the cooling system after bleeding
- Fluctuating engine temperature
- Overheating due to trapped air pockets
Why Replacement Matters:
- Maintain proper coolant circulation
- Prevent air pockets and overheating
- Ensure stable system pressure
- Avoid coolant loss and breakdowns
- Protect the engine from costly heat damage
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95810631401
The product you are viewing cross references to these numbers
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16

Fits:
Porsche 970 Panamera 4.8L 2010-16
Click 'Zoom in' for large parts diagram.
Diagram ref no 33
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
97010640202
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
The Coolant Hose, Feed is a OE MATCH coolant hose designed to carry pressurised engine coolant through the feed circuit of the cooling system. This hose ensures correct coolant flow between key cooling components, supporting stable engine operating temperatures and reliable cooling system performance. It provides precise fitment and durability for Porsche 955 / 957 / 958 / 970 models.
Fits:
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne S/GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- Porsche 958 Cayenne S V8 4.8L Petrol 400HP 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol 400HP 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol 500HP 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol 550HP 2010-17
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
Diagram Ref No 7 (Diagram Ref No 8 and 9 Sold Separately)
What This Product Does:
- Feeds engine coolant between cooling system components such as the engine, radiator, and expansion/overflow tank.
- Helps maintain proper coolant circulation, which is essential for controlling engine temperature.
- Supports overheating prevention by ensuring coolant flows efficiently through the system.
- Provides a flexible connection that absorbs engine movement and thermal expansion without stressing rigid pipes.
- Coolant may seep or drip from the hose itself or around the hose clamp connection points.
- A worn feed hose can cause gradual coolant loss, leading to repeated topping up.
- If the hose leaks or restricts coolant flow, the engine may run hotter than normal.
- A coolant leak often produces a sweet smell in the engine bay or around the vehicle.
- Visible signs of deterioration may include cracking, bulging, hardened rubber, wet staining
- If coolant circulation is affected, cabin heat may become weak or inconsistent.
- Modern Porsche models may display coolant level or overheating warnings when leaks develop.
Why Replacement Matters:
- Prevents coolant leaks that can cause low coolant levels and loss of pressure.
- Helps avoid engine overheating, which can lead to severe and expensive engine damage.
- Restores proper coolant circulation, ensuring the cooling system performs efficiently under all conditions.
- Maintains reliable heater performance, since cabin heating depends on correct coolant flow.
- Protects other cooling components, as leaks can introduce air into the system and increase strain on hoses, seals, and the water pump.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810635506
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
The Coolant Hose is a OE MATCH cooling system component designed to maintain consistent coolant flow throughout the engine’s cooling circuit. Engineered to operate under high temperatures and continuous system pressure, this hose plays a crucial role in regulating engine temperature and preventing overheating.
Fits:
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2012-17
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Diagram Ref No 37
What This Product Does:
- Transferring coolant between key cooling system components
- Maintaining steady coolant circulation
- Supporting correct cooling system pressure
- Helping regulate engine operating temperature
- Preventing overheating during normal and high-load driving conditions
Symptoms Of Wear Or Failure:
- Coolant leaks or fluid visible beneath the vehicle
- Cracked, brittle, swollen, or soft hose material
- Coolant smell from the engine bay
- Low coolant warning light
- Engine overheating or fluctuating temperature readings
- Steam from the engine compartment
- Coolant residue around hose connections
Why Replacement Matters:
- Prevent sudden coolant loss and roadside breakdowns
- Maintain proper coolant circulation and temperature control
- Protect the engine from overheating damage
- Restore cooling system reliability
- Avoid costly repairs caused by heat-related engine failure
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95810662501
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
Heater Coolant Pipe
High-quality replacement coolant pipe heater designed for Porsche Panamera 970 V8 and Cayenne 958 V8 models.
This component plays an important role in the
engine cooling system, assisting with temperature regulation and ensuring
efficient coolant flow through the system. Proper operation helps maintain
optimal engine temperatures and supports overall engine performance and
longevity.
Fits:
Diagram ref no 8
Manufactured to OEM specifications, this coolant pipe heater provides precise fitment and reliable durability—ideal for maintenance, repair, or preventative replacement on Porsche V8 engines.
Key Features
• Direct replacement coolant pipe heater
• Suitable for Porsche Panamera 970 V8 and Cayenne 958 V8
• Supports proper coolant circulation and temperature control
• OEM-style fit and performance
• Durable construction for long-term reliability
• Ideal for maintenance and cooling system repair
Function and Purpose
The coolant pipe heater is part of the engine’s thermal management system.
It helps to:
• Support consistent coolant temperature
regulation
• Maintain efficient coolant flow through the system
• Improve engine warm-up and operating stability
• Protect engine components from overheating
Why Replace Your Coolant Pipe Heater
Cooling system components can degrade over time due to heat and pressure.
Common issues include:
• Reduced heating or coolant efficiency
• Internal wear or failure
• Coolant leaks or weak points
• Risk of overheating or inconsistent temperatures
Replacing the component ensures continued cooling system reliability.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810606921
The product you are viewing cross references to these numbers
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
The Coolant Pipe is a OE MATCH cooling system component designed to route engine coolant within the closed-loop cooling circuit. This rigid coolant pipe directs overflow and circulating coolant between key cooling system components, including the engine and expansion reservoir, helping maintain proper pressure balance and stable engine operating temperatures. It provides precise fitment, high resistance to heat and pressure, and long-term durability for Porsche Panamera (970) models.
Fits:
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
Diagram Ref No 14
What This Product Does:
- Transfers engine coolant through the cooling circuit, helping move heat away from the engine.
- Routes overflow or return coolant back toward the expansion/reservoir tank as part of the closed-loop system.
- Helps maintain proper cooling system pressure and balance during temperature changes.
- Provides a secure, rigid connection between cooling components to ensure reliable coolant flow.
- Coolant may drip or seep from the pipe body, joints, or connection points, often leaving visible residue or staining.
- A leaking coolant pipe can cause gradual coolant loss, requiring frequent top-ups.
- Loss of coolant or pressure imbalance can reduce cooling efficiency and cause temperature instability.
- A noticeable coolant odor in the engine bay often indicates leakage from the cooling system.
- Signs may include cracked plastic sections, corrosion on metal pipe sections, damaged or worn sealing areas, loose or degraded connection points.
- Low coolant or overheating warnings may appear if the pipe begins to fail.
Why Replacement Matters:
- Prevents coolant leaks that can lead to low coolant levels and reduced system pressure.
- Helps avoid engine overheating, which can result in serious and costly engine damage.
- Restores proper coolant routing, ensuring efficient heat transfer throughout the cooling circuit.
- Maintains cooling system integrity, preventing air intrusion and pressure imbalance.
- Protects surrounding components, as leaking coolant can damage hoses, wiring, sensors, and engine parts.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
97010604400
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
This OE Match cooling water breather pipe is a direct replacement for the original Porsche coolant vent line fitted to selected Porsche 970 Panamera and 958 Cayenne V8 models. Installed within the engine cooling circuit, the breather pipe connects key coolant passages and allows trapped air and coolant vapour to be vented correctly through the system. Proper coolant venting is essential on high-performance Porsche V8 engines to prevent air pockets, maintain stable coolant flow, and support efficient engine temperature regulation.
Fits:
Porsche 970 Panamera 4.8L V8 2010-2016 S / GTS / TURBO
* engine codes: M48.20 / M48.40 / MCX.PA / MCX.RA / MCX.P / MCX.R / MCW.BA / MCW.CA / MCW.B / MCW.C
Porsche 958 Cayenne 4.8L V8 2011-2018 S / GTS / TURBO / TURBO S
* engine codes: M48.02 / M48.52 / MCF.TB / MCY.XA / MCF.T / MCY.X
Diagram ref no 11
The cooling water breather pipe vents and circulates coolant within the engine cooling system, helping eliminate trapped air and maintain correct coolant pressure and flow throughout the engine.
Function
• Vents trapped air from the cooling system
• Supports proper coolant circulation and pressure regulation
• Helps maintain stable engine operating temperature
• Reduces risk of air pockets within cooling system
• Protects against coolant leaks and overheating
Cooling system hoses and breather pipes are constantly exposed to heat, coolant pressure, and vibration. Over time, the material can harden, crack, or become porous, increasing the risk of coolant leaks and air entering the cooling system. Replacing ageing breather pipes helps maintain reliable cooling system operation and prevents potential engine overheating issues.
When to replace
• Visible coolant leaks or staining
• Cracked or brittle coolant hose material
• Cooling system pressure loss
• Overheating or fluctuating coolant temperatures
• During preventative cooling system maintenance
• During engine or coolant hose servicing
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810602622
The product you are viewing cross references to these numbers
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16

Fits:
Porsche 970 Panamera 3.6L V6 2011-2016
Engine codes:
M46.20 / M46.40 / MCW.AA / MCX.NA / MCW.A / MCX.N
Click 'Zoom in' for large parts diagram.
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94610602622
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
The Cooling Water Tube, Return is a OE MATCH coolant return pipe designed to route returning coolant through the engine cooling system. This rigid connector tube helps maintain correct coolant circulation and system pressure, supporting stable engine operating temperatures and reliable heating performance. It provides precise fitment and durability for Porsche 957 / 958 / 970 models.
Fits:
- Porsche 957 Cayenne S/GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- Porsche 958 Cayenne S V8 4.8L Petrol 400HP 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol 400HP 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol 500HP 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol 550HP 2010-17
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
Diagram Ref No 13 (Diagram Ref No 2 Sold Separately)
What This Product Does:
- Routes returning coolant through the cooling system to complete the circulation loop.
- Helps maintain proper coolant flow and pressure, ensuring efficient heat transfer and stable engine temperatures.
- Supports reliable engine cooling by ensuring coolant can flow back toward other cooling components without restriction.
- Provides a rigid, durable coolant pathway, reducing the risk of kinking or collapse compared to flexible hoses.
- Coolant may drip or seep from the tube itself or from the hose connection points, often leaving staining or residue.
- A leaking return tube can cause gradual coolant loss, requiring frequent top-ups.
- If the return pipe leaks or becomes restricted, coolant circulation can be disrupted, causing rising or fluctuating engine temperatures.
- A noticeable sweet smell in the engine bay is often a sign of coolant escaping from the system.
- Common visible signs include corrosion/pitting, cracking near joints, weakened metal around fittings or mounting areas
- Poor coolant circulation can affect the heater circuit, leading to weak or inconsistent cabin heat.
- Modern Porsche models may trigger low coolant or overheating warnings if the tube begins to fail.
Why Replacement Matters:
- Prevents coolant leaks that cause low coolant levels and loss of system pressure.
- Helps avoid engine overheating, which can result in severe and costly engine damage.
- Restores proper coolant circulation, ensuring the cooling system functions efficiently under all driving conditions.
- Maintains reliable heater performance, since consistent coolant flow is required for the heater core to work correctly.
- Protects surrounding components, as leaking coolant can damage hoses, sensors, seals, and nearby engine parts.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810642112
The product you are viewing cross references to these numbers
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
The Cooling Water Tube is a OE MATCH coolant pipe designed to route engine coolant through the vehicle’s cooling and heating system. This rigid water tube helps maintain correct coolant circulation between key cooling components, supporting stable engine operating temperatures and reliable heater performance. It provides precise fitment and long-term durability for Porsche 970 Panamera models.
Fits:
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
Diagram Ref No 8
What This Product Does:
- Routes engine coolant through the cooling circuit to support proper circulation.
- Helps regulate engine operating temperature by ensuring coolant flows efficiently through the system.
- Supports the heater system, since cabin heating depends on hot coolant being circulated through the heater core.
- Provides a rigid, stable coolant pathway, reducing the risk of hose collapse or kinking in tight routing areas.
- Coolant may seep or drip from the tube itself or from the joints where hoses connect, often leaving residue or staining.
- A failing tube can cause gradual coolant loss, leading to frequent top-ups.
- Leaks or internal restrictions can disrupt coolant circulation, causing rising or fluctuating engine temperatures.
- A noticeable sweet smell in the engine bay is a common sign of a coolant leak from the tube.
- Because it’s a rigid pipe, wear often appears as corrosion or pitting, cracking, weakened areas near joints or mounting points
- If coolant flow is compromised, the heater core may not receive enough hot coolant, resulting in poor heater performance.
- Modern Porsche models may trigger low-coolant or overheating warnings if the tube begins to fail.
Why Replacement Matters:
- Prevents coolant leaks that can lead to low coolant levels and loss of system pressure.
- Helps avoid engine overheating, which can cause severe and expensive engine damage.
- Restores proper coolant flow, ensuring the cooling system works efficiently under all driving conditions.
- Maintains reliable heater performance, since cabin heat depends on hot coolant reaching the heater core.
- Protects surrounding components, because leaking coolant can damage hoses, sensors, seals, and nearby engine parts.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94610606921
The product you are viewing cross references to these numbers
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
The Engine Coolant Hose, Supply is a OE MATCH coolant hose designed to supply pressurised engine coolant through the cooling and heating circuit. This hose helps maintain correct coolant circulation between key cooling components, supporting stable engine operating temperatures and reliable heater performance. It provides precise fitment, durability, and long-term resistance to heat and pressure for Porsche Panamera (970) models.
Fits:
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
Diagram Ref No 31 (Diagram Ref No 17 Included, Diagram Ref No 25 Sold Separately)
What This Product Does:
- Supplies engine coolant from the engine/water pump area to other cooling components such as the radiator or heater circuit.
- Helps maintain proper coolant circulation and pressure, which is essential for stable engine temperature control.
- Supports cabin heating, as hot coolant routed through this hose can be directed to the heater core.
- Provides a flexible connection that absorbs engine movement, vibration, and thermal expansion without stressing rigid pipes.
- Coolant may leak from the hose itself or around the hose clamp connections, often leaving visible residue or wet patches.A leaking supply hose can cause gradual coolant loss, requiring frequent top-ups.
- Loss of coolant or restricted flow can lead to rising or fluctuating engine temperatures.
- A noticeable sweet smell around the engine bay or inside the cabin often indicates a coolant leak.
- Common signs include cracking or splitting, bulging or swelling, hardened or brittle rubber, coolant staining on the hose surface.
- If coolant flow to the heater circuit is compromised, cabin heat may be reduced.
- Modern Porsche models may display low coolant or overheating warnings when hose failure begins.
Why Replacement Matters:
- Prevents coolant leaks that cause low coolant levels and loss of system pressure.
- Helps avoid engine overheating, which can lead to severe and expensive engine damage.
- Restores proper coolant circulation, ensuring the cooling system works efficiently under all driving conditions.
- Maintains reliable cabin heating, since the heater core depends on steady coolant flow.
- Protects surrounding components, as leaking coolant can damage sensors, hoses, wiring, and nearby engine parts.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
97010642500
The product you are viewing cross references to these numbers
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
Fits:
Porsche 970 Panamera 4.8L 2009-16
Porsche 970 Panamera S 3.6L 2010-16
Diagram ref no 18
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
97010631103
The product you are viewing cross references to these numbers
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
The Heater Hose Supply on Water Pump is a OE MATCH heater hose designed to supply hot engine coolant from the water pump to the heater circuit. This hose plays a key role in the vehicle’s heating system by delivering warmed coolant to the heater core, enabling effective cabin heating. It offers precise fitment, high resistance to heat and pressure, and long-term reliability for Porsche Panamera (970) models.
Fits:
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
Diagram Ref No 5
What This Product Does:
- Supplies hot engine coolant from the water pump outlet to the heater core circuit.
- Enables cabin heating, as the heater core relies on hot coolant to warm the air blown into the interior.
- Helps maintain proper coolant circulation between the engine cooling system and the HVAC system.
- Provides a flexible connection that absorbs engine movement, vibration, and thermal expansion.
- Coolant may seep or drip from the hose itself or at the connection points, often leaving pink/white residue.
- A failing heater supply hose can cause gradual coolant loss, requiring frequent top-ups.
- If hot coolant isn’t reaching the heater core, the heater may blow lukewarm or cold air, even when the engine is warm.
- A noticeable sweet smell in the engine bay or inside the cabin often indicates a coolant leak in the heater circuit.
- Common signs include cracking or splitting, bulging or swelling, hardened or brittle rubber, wet staining around the hose.
- Coolant loss from the heater supply hose can contribute to overheating or unstable engine temperatures.
- Modern Porsche models may display low-coolant or temperature warnings when the hose begins to fail.
Why Replacement Matters:
- Prevents coolant leaks that can lead to low coolant levels and loss of system pressure.
- Maintains proper cabin heating, since the heater core depends on a steady supply of hot coolant.
- Helps avoid engine overheating, as coolant loss from the heater circuit affects overall cooling performance.
- Restores reliable coolant circulation between the water pump and heater system.
- Protects surrounding components, as leaking coolant can damage hoses, sensors, wiring, and nearby engine parts.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
97057258300
The product you are viewing cross references to these numbers
-
Water cooling - 1 - (Model: 4820,4840, 4870,4620, 4640,CWAA, CXNA,CXPA, CXRA,CXR, CWBA,CWB, CWCA,CWC) Panamera 970 (G1) 3.6L / 4.8L 2012-16 105-015
-
Water cooling - 2 - (Model: 4820,4840, 4870,CXPA, CXRA,CXR, CWBA,CWB, CWCA,CWC) Panamera 970 (G1) 4.8L 2010-16 105-025
-
Water cooling - 2 - (Model: 4620,4640, CWAA,CXNA) Panamera 970 (G1) 3.6L 010-16 105-030
-
Coolant cooling system / Coolant expansion tank (Model: 4820,4840, 4870,4620, 4640,CXPA, CXRA,CXR, CWBA,CWB, CWAA,CXNA, CWCA,CWC) Panamera 970 (G1) 3.6L / 4.8L 2010-16 105-040
-
Coolant cooling system / Coolant expansion tank (Model: CRCC,CRCB, CWJA) Panamera 970 (G1) 3.0L DIESEL 2012-16 105-065
-
Coolant cooling system (Model: CRCC,CRCB, CWJA) Panamera 970 (G1) 3.0L DIESEL 2012-16 105-070
-
Hot air line / Supply / Return line Panamera 970 (G1) 2010-16 813-000
OEMatch Engine Block Hoses — Durability, Sealing, Performance
OEMatch engine block hoses for Porsche models are designed as compatible, application-focused replacements that help maintain cooling system integrity and temperature control. These hoses are specified for the connections between the engine block, radiator and heater circuit and are intended to resist heat and fluid exposure while preserving routing and mounting clearances. OEMatch components are a practical option when genuine or OEM items are unavailable.
Available Types
- Engine block coolant hoses for front-engine Porsche models
- Radiator inlet and outlet hoses
- Heater hoses and bypass connections
- Replacement clamps, connectors and intermediate hoses
Understanding OEMatch Engine Block Hoses
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original engine block hoses. OE (Original Equipment) refers to parts matching original specifications for the engine block hoses and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM engine block hoses engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. Engine block hoses circulate coolant through the engine’s cooling circuit, carrying fluid between the water pump, radiator and heater core to regulate temperature, maintain system pressure and reduce the risk of overheating. Proper routing and material selection are important to avoid chafing, heat soak and premature softening.
Benefits Include
- Restored coolant circulation and improved temperature control
- Reduced risk of leaks at hose joints and clamps
- Heat-resistant materials to limit premature ageing
- Preserves original routing and mounting clearances
Why Engine Block Hoses Wear and Fail
- Heat-induced rubber ageing and hardening over time
- Chemical degradation from coolant additives or contamination
- Mechanical abrasion caused by contact with adjacent components
- Clamp or connector failure allowing leaks under pressure
The Importance of Replacing with OEMatch Engine Block Hoses
Replacing tired or damaged engine block hoses prevents coolant loss, overheating and secondary faults such as gasket failure or warped components. For Porsche models, correct hose length, diameter and bend radius help maintain coolant flow and avoid stress at joints. Choosing the right replacement hose maintains system pressure and routing, reducing the chance of repeat failures and supporting long-term reliability.
Advantages
- Materials chosen for heat and fluid resistance
- Manufactured to match original dimensions and routing
- Supplies include common connection fittings and clamps
Support & Advice
These items affect safety-critical systems. Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified; check for correct routing, secure clamps and any nearby heat sources before returning the vehicle to service.