Radiator Top / Bottom Hoses

Coolant hose - Supply. 



Fits:
Porsche 958 Cayenne 3.0ltr V6 Petrol - 2010 to 2017

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Diagram ref no 12

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95810640240

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Coolant bottom hose - Supply. 



Fits:
Porsche 958 Cayenne 3.0ltr V6 Petrol - 2010 to 2017

Click 'Zoom in' for large parts diagram.
Diagram ref no 12

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95810640240

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Coolant Hose Without Temperature Sensor, Return.

The Coolant Hose Without Temperature Sensor – Return is a genuine Porsche cooling system component designed to return coolant through the engine cooling circuit after it has passed through key cooling system components. This hose does not include a temperature sensor port, making it a specific return-line fitment for certain Porsche Cayenne 958 cooling system configurations.

Fits:

• Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17

Diagram Ref No 13

What This Product Does:

• Returning coolant through the cooling circuit
• Maintaining correct coolant circulation and pressure
• Supporting stable engine temperature regulation
• Ensuring efficient coolant flow back to the system
• Helping prevent overheating and coolant flow restrictions

Symptoms Of Wear Or Failure:

• Coolant leaks or damp patches around the hose
• Cracking, swelling, or splitting in the hose material
• Coolant smell from the engine bay
• Low coolant warning light or repeated coolant loss
• Overheating or fluctuating temperature readings
• Coolant residue around hose joints and connections
• Steam from the engine bay in severe cases

Why Replacement Matters:

• Prevent sudden coolant loss and breakdowns
• Maintain correct coolant circulation and pressure
• Protect the engine from overheating damage
• Ensure reliable cooling system operation
• Avoid costly repair bills caused by overheating

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95810640170

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Coolant Hose Without Temperature Sensor, Return.

The Coolant Hose Without Temperature Sensor – Return is a OE MATCH cooling system component designed to return coolant through the engine cooling circuit after it has passed through key cooling system components. This hose does not include a temperature sensor port, making it a specific return-line fitment for certain Porsche Cayenne 958 cooling system configurations.

Fits:

• Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17

Diagram Ref No 13

What This Product Does:

• Returning coolant through the cooling circuit
• Maintaining correct coolant circulation and pressure
• Supporting stable engine temperature regulation
• Ensuring efficient coolant flow back to the system
• Helping prevent overheating and coolant flow restrictions

Symptoms Of Wear Or Failure:

• Coolant leaks or damp patches around the hose
• Cracking, swelling, or splitting in the hose material
• Coolant smell from the engine bay
• Low coolant warning light or repeated coolant loss
• Overheating or fluctuating temperature readings
• Coolant residue around hose joints and connections
• Steam from the engine bay in severe cases

Why Replacement Matters:

• Prevent sudden coolant loss and breakdowns
• Maintain correct coolant circulation and pressure
• Protect the engine from overheating damage
• Ensure reliable cooling system operation
• Avoid costly repair bills caused by overheating

Related reference numbers
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95810640170

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Coolant Hose.

Fits:
Porsche 92A Cayenne S (958) 4.2L V8 Diesel 2011>>2018

Diagram Ref No 19

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95810655140

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Coolant Pipe.

Fits:
Porsche 92A Cayenne S (958) 4.2L V8 Diesel 2011>>2018

Diagram Ref No 18

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95810646510

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Coolant pipe.



Fits:
Porsche 958 Cayenne 3.0L Diesel >>2011

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Diagram ref no 33

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95810652100

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Lower Coolant Hose Including Temperature Sensor, Feed.

The Lower Coolant Hose Including Temperature Sensor – Feed is a OE MATCH cooling system component designed to deliver coolant through the lower section of the cooling circuit while also housing an integrated temperature sensor. This hose assembly plays a key role in both coolant flow and accurate coolant temperature monitoring.

Fits:

• Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17

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95810640270

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Lower Coolant Hose Including Temperature Sensor, Feed. 

Fits:
Porsche 92A Cayenne (958) 3.6L Petrol 2011>>2018

Diagram Ref No 11

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95810640270

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O-ring (29 x 3.5 mm) – seals the connection between the thermostat housing and the three-way plastic coolant connector that houses the temperature sensor.

Fits:
Porsche 957 Cayenne 3.6L V6 2007-10
Porsche 958 Cayenne 3.6L V6 2011-18

Diagram ref. 14.



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WHT000862

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Radiator Coolant Hose, Lower.

Maintain efficient engine cooling with the Radiator Coolant Hose, Lower. This OE MATCH lower radiator hose is designed to return cooled coolant from the radiator back to the engine, ensuring continuous circulation and stable operating temperatures.

Fits:

• Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17

Diagram Ref No 14

What This Product Does:

• Carries cooled coolant from the radiator to the engine
• Maintains continuous coolant circulation
• Supports proper heat exchange within the cooling system
• Helps regulate engine operating temperature
• Prevents overheating by ensuring steady coolant flow

Symptoms Of Wear Or Failure:

• Coolant leaks under the vehicle or near the radiator
  
• Low coolant warning light
• Frequent coolant top-offs
• Engine overheating or fluctuating temperature gauge
  
• Sweet coolant smell from the engine bay
  
• Steam from under the hood in severe cases
  
• Cracks, splits, or surface deterioration on the hose
  
• Bulging or swelling indicating internal weakening
  
• Soft, spongy, or brittle hose texture
• Coolant residue or dampness around hose clamps or fittings
  
  

Why Replacement Matters:

• Replacing a worn lower radiator coolant hose is important because it ensures cooled coolant can properly return from the radiator to the engine. Over time, heat, pressure, and coolant exposure can cause the hose to weaken, crack, or leak.
• If the hose fails, coolant loss and reduced circulation can quickly lead to engine overheating, which may result in serious engine damage and costly repairs. Even minor leaks can lower coolant levels and reduce overall cooling efficiency.
• Installing a new lower radiator hose helps prevent leaks, restore proper coolant flow, and protect the engine by maintaining reliable cooling system performance.

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95810640211

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Radiator coolant hose, lower.
This Porsche Genuine OE Radiator Coolant Pipe/Hose is essential for correct coolant flow in the Cayenne 958 3.6L petrol cooling system. It ensures that coolant is delivered where it’s needed, maintains proper operating temperatures, and supports reliable engine performance.

Fits:
Porsche 958 Cayenne 3.6L 2011 - 2018

Diagram ref no 14

This genuine Porsche coolant pipe/hose forms a key segment of the engine’s water-coolant circulation path. It connects the radiator, engine block, thermostat housings and other cooling components, providing a flexible, leak-resistant channel for coolant to flow through the cooling system. By maintaining correct coolant routing and sealing, it helps the engine stay within its optimal operating temperature range and reduces the risk of overheating under everyday and demanding driving conditions.

Fitment / Position on Car
•  Installed on: Engine cooling circuit
•  Location: Connects radiator outlets to coolant pathways (lower/centre position in Cayenne cooling diagrams)
•  System interface: Works with radiator, thermostat housings, hose clamps and coolant channels to form a sealed cooling loop

Coolant hoses and pipes operate under heat, pressure and engine vibration, which can cause them to harden, swell, crack or leak over time. A failed coolant hose can lead to loss of coolant, overheating, engine damage, and costly repairs. Replacing the coolant pipe with a genuine Porsche OE part ensures the correct material, size, and original engineering standards - preserving cooling system integrity and performance.

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95810640211

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Radiator coolant hose, return.
This genuine Porsche radiator coolant hose serves as a return line in the cooling system, carrying coolant back toward the radiator after it has circulated through the engine and absorbed heat. By ensuring proper coolant routing and flow, the hose supports efficient heat dissipation, helps maintain stable engine temperatures, and reduces the risk of overheating, especially under load or in prolonged driving conditions.

Fits:
Porsche 958 Cayenne 3.0L Diesel 2012 - 2018
 * PR:D43, D1V, D50, D51, DV7

Diagram ref no 21

The Porsche Genuine OE Radiator Coolant Return Hose 95810640250 is an essential cooling system component for the Porsche Cayenne 958 3.0 L Diesel (2012–2018). It ensures coolant is reliably returned to the radiator after heat exchange in the engine, helping maintain proper operating temperature and prevent overheating. As a factory-specified Porsche part, it offers correct dimensions, quality materials, and dependable performance matched to the original design.

Fitment / Position on Car
•  Installed on: Engine cooling circuit return pathway
•  Location: Between engine coolant outlets and the radiator inlet
•  System interface: Works in conjunction with upper and lower radiator hoses, thermostat connections, and coolant pipes to complete the cooling loop

Coolant hoses and return lines operate under constant heat, pressure and vibration. Over time, aging hoses can become brittle, crack, swell, or leak, leading to coolant loss and potential engine overheating. Installing a genuine Porsche OE coolant return hose ensures the correct material formulation and engineered fit, helping preserve cooling system integrity and long-term engine reliability - exactly as Porsche originally intended.

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95810640250

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Radiator coolant hose, upper.
This Porsche Genuine OE upper radiator coolant hose carries engine coolant between the radiator and engine at the top of the cooling circuit. It ensures reliable coolant flow from the engine into the radiator where heat is dissipated, helping maintain stable operating temperatures and preventing overheating.

Fits:
Porsche 958 Cayenne 3.0L Diesel 2012 - 2018
 * PR:D43, D1V, D50

Diagram ref no 19

The Porsche Genuine OE Upper Radiator Coolant Hose 95810640140 is a vital cooling-system component for the Porsche Cayenne 3.0 L Diesel (958), ensuring proper flow of coolant into the radiator. Its Porsche-specified design, fit, and materials help preserve engine thermal stability, support reliable performance, and maintain correct factory coolant routing.

Fitment / Position on Car
•  Installed on: Upper section of the engine cooling system
•  Location: Between the top radiator outlet and corresponding engine coolant inlet
•  System interface: Works with radiator, thermostat housing, coolant pipes, and clamps to complete the cooling loop

Coolant hoses are exposed to high heat, pressure, and vibration over time, which can cause swelling, cracking, or leaks. A failed upper radiator hose can lead to coolant loss and engine overheating, risking serious engine damage. Using a fresh hose ensures the correct material formulation, dimensions, and durability - delivering long-lasting performance and peace of mind.

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95810640140

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Radiator top hose, return.



Fits:
Porsche 958 Cayenne 3.0L Hybrid 20115>>

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Diagram ref no 17

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95810640121

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Vent hose water coolant. 



Fits:
Porsche 958 Cayenne S / GTS 4.8ltr V8 - 2010 to 2017
Porsche 958 Cayenne turbo / turbo S - 2010 to 2017

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Diagram ref no 9

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95810631101

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