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Engine Block Hoses
By OE Match
- 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Related, superseded, cross reference or alternative numbers for comparison.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 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 V6 3.6L Petrol (300Hp) 2010-17
- 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 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
- Porsche 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
The Coolant Pipe, Return is a OE MATCH coolant pipe designed to carry returning coolant through the engine cooling system. This rigid return pipe helps complete the coolant circulation loop, ensuring stable engine temperatures and reliable heater operation. Engineered to Porsche specifications, it provides precise fitment and long-term durability and is used on various Porsche models.
Fits:
- Porsche 958 Cayenne V6 3.6L Petrol 300Hp 2010-17
- 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 95B.1 Macan S Petrol 3.0L V6 340Bhp 2014-18
- Porsche 95B.1 Macan S Diesel 3.0L V6 258Bhp 2014-18
- 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 7 (Diagram Ref No 2 Included)
What This Product Does:
- Returns coolant flow through the cooling system to complete the circulation loop.
- Helps maintain proper engine temperature control by ensuring coolant moves continuously through the system.
- Supports the heater circuit, since consistent coolant circulation is required for the heater core to deliver warm air.
- Provides a rigid, secure coolant pathway, reducing the risk of kinking or collapse compared to flexible hoses.
- Coolant may seep or drip from the pipe itself or from the connection points where hoses attach.
- A failing return pipe can cause slow coolant loss, leading to repeated top-ups.
- Leaks or restrictions in the return circuit can reduce coolant circulation and cause the engine temperature to rise.
- A coolant leak from the pipe often produces a noticeable sweet smell in the engine bay.
- Because it is a rigid pipe, failure often shows as corrosion/rust (external), cracking, weakened metal near joints or mounting points
- If coolant flow is reduced, the heater core may not receive enough hot coolant, resulting in weak or inconsistent cabin heat.
- Modern Porsche models may trigger coolant level or overheating warnings if the pipe begins leaking.
Why Replacement Matters:
- Prevents coolant loss and leaks that can quickly lead to low coolant levels and system pressure loss.
- Helps avoid engine overheating, which can cause severe and costly engine damage if coolant can’t circulate properly.
- Restores proper coolant flow, ensuring the cooling system works as designed under all driving conditions.
- Maintains reliable cabin heating, since steady coolant circulation is required for the heater core to function correctly.
- Protects surrounding components, as leaking coolant can damage hoses, seals, sensors, and nearby engine parts.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94610642160
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- 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 Diesel V6 3.0L (250Hp) 2014-16
- Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
- Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
- Porsche 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
Fits:
Porsche 958 Cayenne 3.6L 2011-18
Porsche 95B.1 Macan 3.0L / 3.6L 2014-18
Porsche 970.2 Panamera 3.0L 2013-16
Click 'Zoom in' for large parts diagram.
Diagram ref no 12
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94610602660
The product you are viewing cross references to these numbers
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.
