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Water coolant pipe. Porsche 958 Cayenne 3.6L / 3.0L Diesel 2011-18 ❭ 95810631110
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
This OE Match water coolant pipe is a replacement cooling system pipe for Porsche 958 Cayenne models with 3.6L petrol and 3.0L diesel engines. It is designed to match the original-style fitment and helps carry coolant through the engine cooling circuit.
Fits:
Porsche 958 Cayenne 3.6L V6 2011 - 2018
Porsche 958 Cayenne 3.0L Diesel 2011 - 2018
Diagram ref no 26
The coolant pipe transfers engine coolant between cooling system components, helping regulate engine temperature and maintain reliable coolant circulation. A properly sealed coolant pipe helps prevent coolant loss, overheating, and pressure issues within the cooling system.
Functions
• Transfers coolant through the engine cooling system
• Helps maintain correct engine operating temperature
• Supports reliable coolant circulation
• Helps prevent coolant leaks and pressure loss
• Connects cooling system components as part of the coolant pipework
• Replaces cracked, leaking, brittle, or damaged original pipework
• OE Match replacement for correct fit and cooling system performance
Why Replace This Part?
Coolant pipes are exposed to heat cycles, coolant pressure, vibration, and age-related wear. Over time, the pipe can become brittle, cracked, warped, corroded, or begin leaking at the connection points. A damaged coolant pipe can lead to coolant loss, overheating, warning lights, or reduced cooling system reliability. Replacing it helps restore secure coolant flow and protects the engine from overheating damage.
When to replace
• Coolant is leaking from the pipe or connection points
• The pipe is cracked, brittle, warped, corroded, or damaged
• Coolant residue or staining is visible around the pipe
• The engine coolant level drops without an obvious cause
• The vehicle shows overheating or coolant warning messages
• The cooling system is being pressure-tested or repaired
• The water pump, thermostat, radiator hose, or coolant system components are being serviced
• As preventative maintenance during major cooling system work.
Where it fits on the car
This coolant pipe fits in the engine bay as part of the coolant circulation system. It connects cooling system components and helps route coolant through the engine cooling circuit. Exact mounting position may vary depending on whether the vehicle is fitted with the 3.6L petrol or 3.0L diesel engine.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95810631110
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 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

Fits:
Porsche 968 1992-95
Click 'Zoom in' for large parts diagram.
Diagram ref no 18
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410621705
The product you are viewing cross references to these numbers
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95

To fit:
Porsche 968 3.0 (i4) 236bhp 1992-1995
These hoses are entirely manufactured in high quality silicone for best finish and durability. With three to five layers of reinforcement, depending of the inner diameter, the hoses withstand high pressure rates and high temperatures for a long time. The original hoses are manufactured in rubber that often cracks from age.
This is the durable solution for you that in addition improves the appearance!
Hoses Included:
• Upper radiator hose OE Reference: 94410623911
• Lower radiator hose OE Reference: 95110623704
• Radiator bleed hose OE Reference: 95110624901
• Throttle body preheating hose OE Reference: 94410623604
• Other radiator hoses OE Reference: 94410624104
• Other radiator hoses OE Reference: 94410625301
• Heater hose OE Reference: 94457258900
• Heater hose OE Reference: 94457258702
• Expansion tank hose OE Reference: 94410621705
• Expansion tank hose OE Reference: 94410625100
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
DO88-KIT178S
The product you are viewing cross references to these numbers
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