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- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
The Porsche Coolant Return Hose 95810655050 is a genuine replacement cooling-system hose designed for Porsche Cayenne 958 applications.
Fits:
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
Diagram Ref No 17
The hose forms part of the engine cooling circuit, carrying coolant between the expansion tank, radiator and associated coolant pipework. By providing a sealed return path, it helps maintain continuous coolant circulation and stable engine operating temperatures.
Manufactured to Porsche specifications, this replacement hose restores the original routing, connection points and cooling-system integrity when the existing hose has become cracked, hardened, swollen or is leaking.
What This Product Does:
The engine cooling system continuously circulates coolant to absorb heat from the engine and release it through the radiator.
The return hose forms part of this circulation loop and allows coolant to flow back through the system after passing through cooling-system components.
Its main functions include:
- Carrying coolant through the return side of the cooling circuit
- Maintaining continuous coolant circulation
- Helping maintain correct cooling-system pressure
- Supporting stable engine operating temperatures
- Providing a sealed connection between cooling-system components
- Helping prevent coolant loss
- Maintaining the original factory coolant routing
- Supporting efficient engine heat management
The hose itself does not cool the engine directly, but uninterrupted coolant flow through it is essential for the cooling system to work correctly.
Symptoms Of Wear Or Failure:
Coolant hoses are continually exposed to heat, pressure, vibration and chemical contact with engine coolant. Over time, the hose material and connections can deteriorate.
Common symptoms that may indicate replacement is required include:
- Visible coolant leaks
- Dampness around the hose or connections
- Pink, white or coloured coolant residue around joints
- Cracks or splits in the hose
- Swollen or bulging sections
- Hose becoming unusually soft or spongy
- Rubber becoming hard or brittle
- Low coolant warning message
- Repeated need to top up the coolant
- Sweet coolant smell from the engine bay
- Engine temperature running higher than normal
- Fluctuating coolant temperature
- Steam from the engine compartment in severe cases
- Damage or leakage around quick-connect fittings
A low coolant level or overheating can also result from leaks elsewhere in the cooling system, so the complete circuit should be inspected.
Why Replacement Matters:
The cooling system must remain sealed and properly pressurised to control engine temperature effectively.
If the coolant return hose develops a leak, coolant can escape and the system may gradually lose pressure. As the coolant level drops, the engine's ability to transfer and dissipate heat is reduced.
A small leak can quickly become more serious if an ageing hose splits under operating pressure.
Continued driving with insufficient coolant can cause:
- Engine overheating
- Cylinder-head or head-gasket damage
- Damage to seals and cooling-system components
- Reduced engine reliability
- Breakdown caused by sudden coolant loss
Replacing a deteriorated hose helps restore:
- Correct coolant circulation
- Proper cooling-system pressure
- A leak-free cooling circuit
- Stable engine temperature
- Reliable long-term cooling-system operation
Replacing the hose at the first signs of cracking, swelling or leakage can help prevent a relatively inexpensive hose fault from developing into a much more costly overheating problem.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95810655050
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