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- Porsche 957 Cayenne S/GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- 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
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
The Cooling Water Tube, Return is a OE MATCH coolant return pipe designed to route returning coolant through the engine cooling system. This rigid connector tube helps maintain correct coolant circulation and system pressure, supporting stable engine operating temperatures and reliable heating performance. It provides precise fitment and durability for Porsche 957 / 958 / 970 models.
Fits:
- Porsche 957 Cayenne S/GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- 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
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
Diagram Ref No 13 (Diagram Ref No 2 Sold Separately)
What This Product Does:
- Routes returning coolant through the cooling system to complete the circulation loop.
- Helps maintain proper coolant flow and pressure, ensuring efficient heat transfer and stable engine temperatures.
- Supports reliable engine cooling by ensuring coolant can flow back toward other cooling components without restriction.
- Provides a rigid, durable coolant pathway, reducing the risk of kinking or collapse compared to flexible hoses.
- Coolant may drip or seep from the tube itself or from the hose connection points, often leaving staining or residue.
- A leaking return tube can cause gradual coolant loss, requiring frequent top-ups.
- If the return pipe leaks or becomes restricted, coolant circulation can be disrupted, causing rising or fluctuating engine temperatures.
- A noticeable sweet smell in the engine bay is often a sign of coolant escaping from the system.
- Common visible signs include corrosion/pitting, cracking near joints, weakened metal around fittings or mounting areas
- Poor coolant circulation can affect the heater circuit, leading to weak or inconsistent cabin heat.
- Modern Porsche models may trigger low coolant or overheating warnings if the tube begins to fail.
Why Replacement Matters:
- Prevents coolant leaks that cause low coolant levels and loss of system pressure.
- Helps avoid engine overheating, which can result in severe and costly engine damage.
- Restores proper coolant circulation, ensuring the cooling system functions efficiently under all driving conditions.
- Maintains reliable heater performance, since consistent coolant flow is required for the heater core to work correctly.
- Protects surrounding components, as leaking coolant can damage hoses, sensors, seals, and nearby engine parts.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810642112
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