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- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
The coolant hose / return tube is a high-quality replacement part for older-generation Porsche Cayenne models (typically 2003–2006, V8 and Turbo variants) where this hose is used in the engine’s cooling / oil-cooler circuit.
Fits:
Porsche 955 Cayenne S 4.5L 2003 - 2006
Porsche 955 Cayenne Turbo 4.5L 2003 - 2006
Diagram ref no 14
Manufactured to match the original specifications, It comes complete with the correct hose shape and necessary clamps, ensuring that coolant flow from the oil cooler return or relevant coolant circuit remains sealed and leak-free.
This replacement hose is ideal when the original hose shows signs of aging - such as hardening, cracking, swelling, leaks, or if the original has been removed during maintenance - thereby ensuring reliable coolant circulation and preventing coolant leaks that could lead to engine overheating or oil-cooler failure.
• Position: Engine coolant / oil cooler return circuit, connecting oil-cooler / coolant exchanger to return lines - ensures proper coolant flow.
• Function: Carries coolant (or coolant/oil-cooler return fluid) under pressure/return - maintains cooling system integrity and prevents leaks or coolant loss.
Coolant hoses are subject to constant heat, pressure cycles, coolant chemistry, and under-hood vibration. Over time these factors cause rubber and hose materials to degrade - leading to swelling, cracking, soft spots or internal collapse. A compromised coolant hose may leak coolant, reduce coolant flow or fail under pressure, risking engine overheating, loss of oil-cooler efficiency, or coolant/oil contamination. By replacing an aging or damaged hose with a correctly spec’d OE-Match 94810605001 unit, you restore the cooling circuit’s reliability, prevent leaks, and ensure stable engine temperature regulation — crucial for engine longevity and safe operation.
When to Replace (common triggers):
• Hose shows visible cracks, swelling, brittleness or soft spots.
• Evidence of coolant leakage around hose joins or clamps.
• Overheating, coolant loss or coolant system warning without visible radiator or head-gasket issues.
• During cooling-system maintenance, oil-cooler service or thermostat/water-pump replacement - when original hose is removed or disturbed.
• Preventative maintenance on high-mileage vehicles, especially if original hose is over 10–15 years old.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810605001
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
Sold each - 2 required per car
Fits:
Porsche 955 Cayenne 3.2L >>2005
Diagram ref no 12
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510666600
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Water Coolant Hose – Essential for Reliable Cooling System Performance
This water coolant hose s designed for the Porsche
955 and 957 models, forming a critical part of the engine’s cooling
circuit. It transports coolant to and from the engine and radiators, ensuring
proper heat dissipation and stable operating temperatures—vital for
high-performance V8 engines.
Fits:
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S/GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Diagram ref no 29
With age and heat cycles, coolant hoses can weaken, crack or develop internal swelling. A compromised hose may cause coolant leaks, overheating, reduced engine performance or complete cooling system failure. Replacing a worn hose with a high-quality alternative ensures the V8 Cayenne continues to run cool, efficient and trouble-free.
What This Coolant Hose Does
This specialised coolant hose:
- Transfers coolant between key cooling components
- Maintains optimal engine temperature under load
- Helps prevent overheating during towing or spirited driving
- Supports proper coolant circulation in V8 Cayenne engines
- Seals securely to avoid leaks and pressure loss
A healthy coolant hose is essential for maintaining engine reliability, especially in high-output S, GTS and Turbo variants.
Why Coolant Hoses Fail on Porsche Cayenne V8 Engines
Typical issues include:
- Heat-induced
rubber degradation from repeated thermal cycles
- Cracking
or splitting caused by age and vibration
- Internal
hose collapse, restricting coolant flow
- Coolant
contamination, accelerating material breakdown
- Pressure
spikes from failing thermostats or caps
- Exposure to oil, which weakens hose material
Symptoms of failure may include coolant smells, visible drips, overheating warnings, or low coolant levels.
Why You Should Replace a Faulty Coolant Hose
Replacing a worn coolant hose provides:
- Restored coolant pressure and circulation efficiency
- Prevention of leaks and overheating
- Protection of sensitive engine components
- Reduced risk of roadside breakdowns
- Improved long-term reliability for engines
Given the high engine bay temperatures in Cayenne, S, GTS and Turbo models, replacing hoses proactively is a smart preventative step.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510607300
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Water Coolant Hose.
The OE Match Water Coolant Hose is a high-quality replacement cooling system hose designed to ensure the efficient circulation of engine coolant between key cooling system components on compatible Porsche models. Manufactured to OE specifications for fit, flexibility and durability, this hose helps maintain optimum engine operating temperature by providing a secure, unrestricted flow of coolant.
Fits:
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S/GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Diagram Ref No 29
Constructed from premium multi-layer reinforced EPDM rubber, the hose is engineered to withstand high coolant pressures, extreme temperature fluctuations, engine vibration and long-term exposure to coolant. Precision-moulded to match the original factory routing, it provides direct OE-style fitment and dependable, leak-free performance.
What This Product Does:
Symptoms Of Wear Or Failure:
- Visible coolant leaks.
- Cracked, split or swollen hose.
- Soft, brittle or deteriorated rubber.
- Coolant smell from the engine bay.
- Low coolant level.Engine overheating.
- White, pink or blue coolant residue around hose connections.
- Bulging hose when under pressure.
- Steam from the engine compartment.
- Coolant warning light or frequent coolant top-ups.
Why Replacement Matters:
- Coolant hoses operate in demanding conditions, where they are exposed to constant pressure cycles, hot coolant, engine vibration and changing temperatures. Over time, the rubber can harden, crack or weaken, while the internal reinforcement may deteriorate, increasing the risk of coolant leaks or sudden hose failure.
- A leaking or burst coolant hose can quickly reduce coolant levels, leading to engine overheating and potentially severe engine damage, including cylinder head distortion, head gasket failure and premature wear of internal engine components. Even a minor leak can reduce cooling system efficiency and result in costly repairs if left unattended.
- Replacing a worn or damaged coolant hose restores the integrity of the cooling system and ensures reliable coolant circulation. The OE Match replacement provides factory-style fitment, premium-quality materials and long-lasting durability, helping maintain optimum engine temperature, improve reliability and protect the performance and longevity of your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510607300
The product you are viewing cross references to these numbers