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Engine Block Hoses
By OE Match
- Porsche 957 Cayenne 3.6L 2007-10
The Engine Coolant Hose is a OE MATCH cooling system component designed to carry coolant through the engine’s cooling circuit. Built to withstand high temperatures, pressure fluctuations, and constant heat cycling, this hose ensures efficient coolant flow to maintain stable engine operating temperatures.
Fits:
- Porsche 957 Cayenne 3.6L 2007-09
Diagram Ref No 5
- Transferring coolant between key cooling system components
- Maintaining consistent coolant circulation
- Supporting proper cooling system pressure
- Regulating engine operating temperature
- Helping prevent overheating under load
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 gauge
- Steam from the engine compartment
- Coolant residue around hose joints
Why Replacement Matters:
- Prevent sudden coolant loss and roadside breakdowns
- Maintain proper coolant circulation and system pressure
- Protect the engine from overheating damage
- Restore cooling system reliability
- Avoid expensive repair costs caused by overheating
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510635510
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 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 970.1 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 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
O-Ring – 11 x 2.5mm Water Coolant Breather
Line
Sold each
Ensure a reliable, leak-free cooling system with this OE
Match O-Ring, measuring 11 x 2.5mm.
Designed as a direct replacement for the original seal used on the water
coolant breather line.
Fits:
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- 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 970.1 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 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
Diagram ref no 12
Although small, this sealing ring plays a vital role in maintaining the integrity of the cooling system. It creates a watertight seal between the breather line and its mating components, preventing coolant leaks while allowing the cooling system to maintain the correct operating pressure. Replacing ageing or damaged O-rings during cooling system maintenance helps prevent coolant loss, overheating and expensive engine repairs.
Manufactured from high-quality, coolant-resistant elastomer, this OE Match O-ring is designed to match the dimensions and performance of the original Porsche component for dependable long-term sealing.
What Does the Water Coolant Breather Line O-Ring Do?
The coolant breather line O-ring seals the connection between coolant pipes and breather line fittings within the engine's cooling system.
Its functions include:
- Preventing coolant leaks.
- Maintaining cooling system pressure.
- Ensuring efficient coolant circulation.
- Preventing air from entering the cooling system.
- Supporting correct engine operating temperatures.
- Helping maximise cooling system efficiency.
A correctly sealing O-ring is essential for maintaining the performance and reliability of the engine cooling system.
Why Does the O-Ring Need Replacing?
Over time, coolant seals are subjected to constant temperature fluctuations and coolant exposure, causing them to deteriorate.
Common causes of failure include:
- Heat cycling.
- Age-related hardening.
- Loss of elasticity.
- Coolant chemical degradation.
- Damage during removal.
- Compression set after years of service.
- Cooling system repairs requiring seal replacement.
As with most sealing components, O-rings should always be replaced once removed.
Symptoms of a Failing Coolant Breather Line O-Ring
Signs of a worn or damaged seal include:
- Coolant leaks around the breather line.
- Pink, white or dried coolant residue.
- Low coolant warning messages.
- Frequent coolant top-ups.
- Sweet coolant smell from the engine bay.
- Reduced cooling system pressure.
- Small coolant drips after driving.
Replacing the O-ring at the first sign of leakage helps prevent overheating and further cooling system damage.
When Should the O-Ring Be Replaced?
Replacement is recommended whenever:
- The coolant breather pipe is removed.
- Cooling system components are replaced.
- A coolant leak is diagnosed.
- Carrying out thermostat or water pump repairs.
- Performing preventative cooling system maintenance.
- Rebuilding or servicing the engine.
Installing a new O-ring during reassembly ensures a reliable seal and reduces the risk of future coolant leaks.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970758640
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
The Thermostat Cover is a OE MATCH cooling system component designed to securely house and seal the thermostat within the engine’s cooling circuit. This cover protects the thermostat assembly while ensuring a leak-free connection between the thermostat housing and connected coolant hoses.
Fits:
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
Diagram Ref No 13
What This Product Does:
- Securing and sealing the thermostat assembly
- Maintaining correct coolant routing through the thermostat housing
- Ensuring proper cooling system pressure
- Preventing coolant leaks at the thermostat connection
- Supporting stable engine temperature regulation
Symptoms Of Wear Or Failure:
- Coolant leaks near the thermostat housing
- Visible cracks or damage to the cover
- Coolant smell from the engine bay
- Low coolant warning light
- Engine overheating due to coolant loss
- Coolant residue around housing connections
Why Replacement Matters:
- Prevent coolant leaks and system pressure loss
- Maintain proper thermostat operation
- Protect the engine from overheating damage
- Restore reliable cooling system performance
- Avoid costly engine repairs caused by heat-related issues
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510613100
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
The Vent Breather Pipe is a OE MATCH component designed for the engine’s crankcase ventilation (PCV) system. This breather pipe routes crankcase vapours and excess pressure from the engine to the air/oil separator or intake system, helping maintain proper internal engine pressure and emissions control. It ensures correct fitment, reliable sealing, and long-term durability on Porsche 957 Cayenne S / GTS 4.8L models.
Fits:
- Porsche 957 Cayenne S/GTS 4.8L 2007-10
Diagram Ref No 10 (Diagram Ref No 11 And 12 Included)
What This Product Does:
- Vents excess crankcase pressure created during engine operation.
- Routes blow-by gases and oil vapours to the PCV/air-oil separator system for proper ventilation.
- Helps reduce stress on engine seals and gaskets by preventing pressure build-up.
- Supports proper emissions control by returning vapours into the intake system rather than releasing them.
Symptoms Of Wear Or Failure:
- Cracks or splits in the breather pipe can cause a vacuum leak, leading to rough running or unstable idle.
- A leaking breather pipe can trigger engine management faults related to vacuum system leaks, PCV system performance, air/fuel mixture imbalance.
- If crankcase pressure is not vented correctly, it can push oil past seals and gaskets, causing leaks.
- Oil vapours escaping from a damaged breather pipe may cause an oily smell in the engine bay.
- Symptoms may include oil filler cap difficult to remove, whistling/hissing noises, pressure-related seal issues.
- Breather pipes often fail due to age and heat, showing hardened plastic/rubber, cracking, broken fittings or connectors.
- If ventilation is disrupted, oil vapour can be drawn into the intake incorrectly, contributing to oil burning.
Why Replacement Matters:
- Prevents vacuum leaks, which can cause rough idle, poor performance, and fault codes.
- Maintains proper crankcase ventilation, preventing pressure build-up inside the engine.
- Helps prevent oil leaks, since excessive crankcase pressure can force oil past seals and gaskets.
- Protects engine performance and efficiency, by keeping the air/fuel mixture stable and reducing unmetered air entering the system.
- Reduces risk of secondary damage, such as damaged seals, intake contamination, or long-term PCV system issues.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810524504
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
Fits:
Porsche 957 MKII Cayenne S 4.8L 2007-10
Porsche 957 MKII Cayenne GTS 4.8L 2007-10
Porsche 957 MKII Cayenne Turbo 4.8L 2007-10
Click 'Zoom in' for large parts diagram.
Diagram ref no 1.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810606107
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
- 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 3.6L 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Water Coolant Hose.
The OE Match Water Coolant Hose is a high-quality replacement cooling system hose designed to ensure the efficient circulation of engine coolant between key cooling system components on compatible Porsche models. Manufactured to OE specifications for fit, flexibility and durability, this hose helps maintain optimum engine operating temperature by providing a secure, unrestricted flow of coolant.
Fits:
- Porsche 955 Cayenne 3.2L V6 2003-06
- 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 3.6L 2007-10
- Porsche 957 Cayenne S/GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Diagram Ref No 29
Constructed from premium multi-layer reinforced EPDM rubber, the hose is engineered to withstand high coolant pressures, extreme temperature fluctuations, engine vibration and long-term exposure to coolant. Precision-moulded to match the original factory routing, it provides direct OE-style fitment and dependable, leak-free performance.
What This Product Does:
Symptoms Of Wear Or Failure:
- Visible coolant leaks.
- Cracked, split or swollen hose.
- Soft, brittle or deteriorated rubber.
- Coolant smell from the engine bay.
- Low coolant level.Engine overheating.
- White, pink or blue coolant residue around hose connections.
- Bulging hose when under pressure.
- Steam from the engine compartment.
- Coolant warning light or frequent coolant top-ups.
Why Replacement Matters:
- Coolant hoses operate in demanding conditions, where they are exposed to constant pressure cycles, hot coolant, engine vibration and changing temperatures. Over time, the rubber can harden, crack or weaken, while the internal reinforcement may deteriorate, increasing the risk of coolant leaks or sudden hose failure.
- A leaking or burst coolant hose can quickly reduce coolant levels, leading to engine overheating and potentially severe engine damage, including cylinder head distortion, head gasket failure and premature wear of internal engine components. Even a minor leak can reduce cooling system efficiency and result in costly repairs if left unattended.
- Replacing a worn or damaged coolant hose restores the integrity of the cooling system and ensures reliable coolant circulation. The OE Match replacement provides factory-style fitment, premium-quality materials and long-lasting durability, helping maintain optimum engine temperature, improve reliability and protect the performance and longevity of your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510607300
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
Fits:
Porsche 957 Cayenne S 4.8ltr - 2007 to 2010
Porsche 957 Cayenne GTS 4.8ltr - 2007 to 2010
Click 'Zoom in' for large parts diagram.
Diagram ref no 15
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810605101
The product you are viewing cross references to these numbers
-
Coolant pump / Thermostat housing (Model: 5501) Cayenne 9PA1 (957) 3.6L 2007-10 105-005
-
Water cooling (Model: 4801,4851) Cayenne 9PA1 (957) 4.8L 2007-10 105-010
-
Water cooling (Model: 4801,4851) Cayenne 9PA1 (957) 4.8L 2007-10 105-015
-
Water cooling (Model: 5501) Cayenne 9PA1 (957) 3.6L 2007-10 105-020
-
Coolant cooling system / Coolant expansion tank (PR:D5V,D5Z) Cayenne 9PA1 (957) 4.8L 2007-10 105-030
-
Crankcase housing / Bleeding (Model: 4801,4851) Cayenne 9PA1 (957) 4.8L 2007-10 107-001
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.
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