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Porsche // Cayenne 9PA1 (957) 2007-2010 // Any
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Water coolant bottom hose, return. Porsche 95B Macan 2.0L - 95B121109J
95B121109J/1
Vehicle Group
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
Information
Water coolant bottom hose, return.
This Water Coolant Bottom Hose (Return) is a precision-engineered OE Match coolant hose designed to replace the factory lower radiator return hose on the Porsche 95B Macan 2.0 L petrol SUV. This hose carries coolant back to the engine after it exits the radiator, completing the primary coolant circulation loop.
Fits:
Porsche 95B.1 Macan 2.0L 2014 - 2018
* Engine codes: CNC,CNCC, CYN,CYNA, CYNB,CYP, CYPA
Porsche 95B.2 Macan 2.0L 2019 - 2021
* PR: T2G / T2G
Porsche 95B.23 Macan 2.0L 2022 >>
* PR: T2G / T2G
Diagram ref no 17
The Macan’s 2.0 L turbocharged engine relies on a closed-loop liquid cooling system to maintain stable operating temperatures. While the top coolant hose (feed) delivers hot coolant from the engine to the radiator for heat rejection, the bottom hose (return) completes the cycle by returning cooled fluid back to the engine. Both pathways must be free of restrictions, leaks, and surface deterioration to ensure consistent thermal control.
The bottom coolant return hose:
• Carries cooled coolant back to the engine from the radiator
• Maintains consistent coolant flow and pressure
• Supports stable engine temperature regulation
• Helps prevent overheating and engine stress
Maintaining a healthy return hose is essential for balanced cooling system performance and long-term engine reliability.
Hoses in the cooling system are subject to constant heat cycling, coolant pressure, and mechanical movement. Over time they can:
• Harden or crack
• Soften and swell
• Leak at hose connections
• Restrict coolant flow
A failing return hose can reduce coolant circulation, cause hot spots within the engine, and lead to overheating, coolant loss, or pressure imbalance in the system. Replacing with a new OE Match hose helps restore proper coolant routing and preserves engine health.
Replace this hose if you notice:
• Coolant leaks at the hose ends
• Visible cracks, soft spots, or bulges
• Overheating during normal driving
• Coolant smell from under the vehicle
• During water pump, thermostat, or radiator service
• As preventative maintenance on high-mile vehicles
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95B121109J
The product you are viewing cross references to these numbers
This Water Coolant Bottom Hose (Return) is a precision-engineered OE Match coolant hose designed to replace the factory lower radiator return hose on the Porsche 95B Macan 2.0 L petrol SUV. This hose carries coolant back to the engine after it exits the radiator, completing the primary coolant circulation loop.
Fits:
Porsche 95B.1 Macan 2.0L 2014 - 2018
* Engine codes: CNC,CNCC, CYN,CYNA, CYNB,CYP, CYPA
Porsche 95B.2 Macan 2.0L 2019 - 2021
* PR: T2G / T2G
Porsche 95B.23 Macan 2.0L 2022 >>
* PR: T2G / T2G
Diagram ref no 17
The Macan’s 2.0 L turbocharged engine relies on a closed-loop liquid cooling system to maintain stable operating temperatures. While the top coolant hose (feed) delivers hot coolant from the engine to the radiator for heat rejection, the bottom hose (return) completes the cycle by returning cooled fluid back to the engine. Both pathways must be free of restrictions, leaks, and surface deterioration to ensure consistent thermal control.
The bottom coolant return hose:
• Carries cooled coolant back to the engine from the radiator
• Maintains consistent coolant flow and pressure
• Supports stable engine temperature regulation
• Helps prevent overheating and engine stress
Maintaining a healthy return hose is essential for balanced cooling system performance and long-term engine reliability.
Hoses in the cooling system are subject to constant heat cycling, coolant pressure, and mechanical movement. Over time they can:
• Harden or crack
• Soften and swell
• Leak at hose connections
• Restrict coolant flow
A failing return hose can reduce coolant circulation, cause hot spots within the engine, and lead to overheating, coolant loss, or pressure imbalance in the system. Replacing with a new OE Match hose helps restore proper coolant routing and preserves engine health.
Replace this hose if you notice:
• Coolant leaks at the hose ends
• Visible cracks, soft spots, or bulges
• Overheating during normal driving
• Coolant smell from under the vehicle
• During water pump, thermostat, or radiator service
• As preventative maintenance on high-mile vehicles
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95B121109J
95B121109F
95B121109J
The product you are viewing cross references to these numbers
Price: £63.50
In stock
Related products
Vehicle Group
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Information
Radiator coolant top hose, Return.
Fits:
Porsche 957 Cayenne S / GTS 4.8L 2007-10
Porsche 957 Cayenne Turbo 4.8L 2007-10
Click 'Zoom in' for large parts diagram.
Diagram ref no 27
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510663300
The product you are viewing cross references to these numbers
Fits:
Porsche 957 Cayenne S / GTS 4.8L 2007-10
Porsche 957 Cayenne Turbo 4.8L 2007-10
Click 'Zoom in' for large parts diagram.
Diagram ref no 27
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510663300
95510663300
The product you are viewing cross references to these numbers
Price: £60.33
Orderable
Vehicle Group
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Information
Water coolant bottom hose supply.
Fits:
Porsche 957 Cayenne S 4.8L 2007-10 Cars with option code: 0Y2 (Tropical climatic zone)
Porsche 957 Cayenne Turbo 4.8L 2007-10
Click 'Zoom in' for large parts diagram.
Diagram ref no 26
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510663210
The product you are viewing cross references to these numbers
Fits:
Porsche 957 Cayenne S 4.8L 2007-10 Cars with option code: 0Y2 (Tropical climatic zone)
Porsche 957 Cayenne Turbo 4.8L 2007-10
Click 'Zoom in' for large parts diagram.
Diagram ref no 26
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510663210
95510663210
The product you are viewing cross references to these numbers
Price: £60.33
Orderable
Vehicle Group
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
Information
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.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
WHT000862
The product you are viewing cross references to these numbers
Fits:
Porsche 957 Cayenne 3.6L V6 2007-10
Porsche 958 Cayenne 3.6L V6 2011-18
Diagram ref. 14.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
WHT000862
WHT000862
The product you are viewing cross references to these numbers
Price: £3.98
Orderable
Vehicle Group
- Porsche 957 Cayenne 3.6L 2007-10
Information
Coolant Hose.
The Coolant Hose is a genuine Porsche cooling system component designed to ensure reliable coolant flow between key engine and radiator system components. Built to withstand high operating temperatures and constant cooling system pressure, this hose plays a vital role in maintaining safe and consistent engine temperature.
Fits:
Diagram Ref No 23
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510663220
The product you are viewing cross references to these numbers
The Coolant Hose is a genuine Porsche cooling system component designed to ensure reliable coolant flow between key engine and radiator system components. Built to withstand high operating temperatures and constant cooling system pressure, this hose plays a vital role in maintaining safe and consistent engine temperature.
Fits:
- Porsche 957 Cayenne 3.6L 2007-10
Diagram Ref No 23
What This Product Does:
- Transferring coolant throughout the engine cooling circuit
- Maintaining consistent coolant circulation
- Supporting proper cooling system pressure
- Helping regulate engine operating temperature
- Preventing overheating during daily or performance driving
Symptoms Of Wear Or Failure:
- Coolant leaks or visible fluid under the vehicle
- Cracks, swelling, soft spots, or brittle hose material
- Coolant smell from the engine bay
- Low coolant warning light
- Engine overheating or fluctuating temperature readings
- Steam from the engine compartment
- Coolant residue or staining around hose connections
Why Replacement Matters:
- Prevent sudden coolant loss and roadside breakdowns
- Maintain proper coolant flow and cooling system efficiency
- Protect the engine from overheating damage
- Restore cooling system reliability
- Avoid expensive repair costs caused by overheating
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510663220
95510663220
The product you are viewing cross references to these numbers
Price: £104.07
Orderable