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Product Information
Product Information
Water coolant pipe
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
95810631110
7P5121051B

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