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Breather Line. Porsche 958 Cayenne 2015-17 ❭ 95810631011
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
The Breather Line is a OE MATCH ventilation hose designed to support correct pressure regulation and airflow within the vehicle’s engine or cooling system ventilation circuit (depending on application). This line helps route trapped air or vapours through the correct system pathways, ensuring stable operation and preventing pressure build-up.
Fits:
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2015-17
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2015-17
- Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2015-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2015-17
Diagram Ref No 6
What This Product Does:
- Allowing trapped air or vapours to vent safely
- Maintaining stable system pressure
- Supporting efficient coolant or crankcase circulation (application dependent)
- Helping prevent pressure-related leaks
- Ensuring the system operates correctly without airlocks or restriction
Symptoms Of Wear Or Failure:
- Coolant or oil vapour leaks (depending on system type)
- Cracked, split, or brittle hose material
- Poor system bleeding or air trapped in the circuit
- Coolant loss or pressure issues
- Engine bay smells (coolant or oil vapour)
- Warning lights or fault codes in some cases
- Overheating or unstable temperature readings (if coolant-related)
Why Replacement Matters:
- Maintain correct ventilation and pressure control
- Prevent leaks and coolant/oil loss
- Support stable engine operating temperatures
- Avoid overheating and expensive repairs
- Restore proper system efficiency and reliability
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95810631011
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
The OE Match Expansion Tank Hose is a high-quality replacement cooling system component designed to connect the coolant expansion tank to the engine cooling circuit. Manufactured to OE specifications for fit, durability and performance, this hose ensures the safe transfer of coolant and allows the cooling system to regulate pressure and coolant volume as temperatures change during engine operation.
Fits:
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
Diagram Ref No 21
Constructed from heat-resistant, coolant-resistant materials, the expansion tank hose is designed to withstand continuous exposure to high temperatures, pressure fluctuations and chemical additives found in modern coolant systems. It plays a critical role in maintaining cooling system efficiency, engine temperature control and overall reliability.
What This Product Does:
- Connects the coolant expansion tank to the cooling system.
- Allows coolant to flow between the expansion tank and engine cooling circuit.
- Helps regulate cooling system pressure.
- Accommodates coolant expansion and contraction during temperature changes.
- Supports efficient engine temperature management.
- Helps prevent coolant loss and system leaks.
- Maintains the integrity of the engine cooling system.
Symptoms Of Wear Or Failure:
- Visible coolant leaks around the hose or connections.
- Coolant drips beneath the vehicle.
- Low coolant level warnings.
- Engine overheating or rising coolant temperatures.
- Coolant residue or staining around hose fittings.
- Sweet coolant smell from the engine bay.
- Cracking, swelling, hardening or softening of the hose material.
- Bulging sections caused by internal deterioration.
- Loss of cooling system pressure.
Why Replacement Matters:
- Expansion tank hoses operate in demanding conditions and are constantly exposed to heat cycles, pressure fluctuations, coolant chemicals and environmental ageing. Over time, the hose material can become brittle, cracked, swollen or weakened, increasing the risk of coolant leaks and cooling system failure.
- A failing expansion tank hose can lead to coolant loss, reduced cooling system efficiency and overheating. If coolant levels drop significantly, critical engine components may be exposed to excessive temperatures, potentially resulting in costly engine damage. Even minor leaks can worsen over time and compromise overall vehicle reliability.
- Replacing a worn expansion tank hose restores proper coolant circulation and cooling system pressure management. An OE Match replacement provides factory-style fitment, dependable durability and long service life, helping maintain optimal engine operating temperatures and protecting your Porsche from cooling system-related issues.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410625100
The product you are viewing cross references to these numbers
- Porsche 944S2 3.0L 16V 1989-91
Fits:
Porsche 944 S2 3.0L 1989-91
Diagram ref no 20
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410621702
The product you are viewing cross references to these numbers
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988

Fits:
Porsche 968 1992-95
Porsche 944 1985-91
Click 'Zoom in' for large parts diagram.
Diagram ref no 34.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95110624901
The product you are viewing cross references to these numbers
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