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Water coolant bottom hose. Porsche 955 Cayenne 3.2L V6 2003-06 - 95510605100
95510605100/1
Vehicle Group
- Porsche 955 Cayenne 3.2L V6 2003-06
Information
Water coolant bottom hose
This OE Match water coolant bottom hose is a direct replacement for the original Porsche lower radiator hose fitted to Porsche 955 Cayenne 3.2L V6 models produced between 2003 and 2006. It forms part of the engine cooling system and transfers coolant between the radiator and engine cooling circuit to help maintain correct operating temperature and cooling efficiency.
Fits:
Porsche 955 Cayenne 3.2L V6 2003 - 2006
Diagram ref no 1
The lower coolant hose transfers cooled coolant from the radiator back into the engine cooling system, helping maintain stable engine temperatures and efficient cooling system operation.
This hose is ideal for preventative cooling system maintenance, radiator servicing, or replacement during thermostat, water pump, or engine cooling repairs on Porsche 955 Cayenne V6 models.
Function
• Connects radiator to engine cooling circuit
• Transfers cooled coolant back to the engine
• Maintains stable engine operating temperature
• Supports efficient coolant circulation and pressure regulation
• Helps reduce risk of overheating and coolant loss
Cooling system hoses operate under constant heat, pressure, and vibration. Over time, hose material can deteriorate internally and externally, increasing the risk of leaks and cooling system pressure loss. A failed lower radiator hose may cause rapid coolant loss and engine overheating. Replacing worn coolant hoses helps maintain reliable cooling system performance and protects the engine from costly overheating damage.
When to replace
• Visible coolant leaks or staining
• Cracked, swollen, or brittle hose material
• Cooling system pressure loss
• Overheating or fluctuating coolant temperatures
• During radiator or thermostat replacement
• During preventative cooling system servicing
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510605100
The product you are viewing cross references to these numbers
This OE Match water coolant bottom hose is a direct replacement for the original Porsche lower radiator hose fitted to Porsche 955 Cayenne 3.2L V6 models produced between 2003 and 2006. It forms part of the engine cooling system and transfers coolant between the radiator and engine cooling circuit to help maintain correct operating temperature and cooling efficiency.
Fits:
Porsche 955 Cayenne 3.2L V6 2003 - 2006
Diagram ref no 1
The lower coolant hose transfers cooled coolant from the radiator back into the engine cooling system, helping maintain stable engine temperatures and efficient cooling system operation.
This hose is ideal for preventative cooling system maintenance, radiator servicing, or replacement during thermostat, water pump, or engine cooling repairs on Porsche 955 Cayenne V6 models.
Function
• Connects radiator to engine cooling circuit
• Transfers cooled coolant back to the engine
• Maintains stable engine operating temperature
• Supports efficient coolant circulation and pressure regulation
• Helps reduce risk of overheating and coolant loss
Cooling system hoses operate under constant heat, pressure, and vibration. Over time, hose material can deteriorate internally and externally, increasing the risk of leaks and cooling system pressure loss. A failed lower radiator hose may cause rapid coolant loss and engine overheating. Replacing worn coolant hoses helps maintain reliable cooling system performance and protects the engine from costly overheating damage.
When to replace
• Visible coolant leaks or staining
• Cracked, swollen, or brittle hose material
• Cooling system pressure loss
• Overheating or fluctuating coolant temperatures
• During radiator or thermostat replacement
• During preventative cooling system servicing
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510605100
95510605100
The product you are viewing cross references to these numbers
Price: £28.00
In stock
Related products
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
Vehicle Group
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
Information
Water coolant top hose, feed. Top of radiator
This Water Coolant Top Hose (Feed) is an OE Match radiator feed hose designed to replace the original upper coolant hose on the Porsche 95B Macan 2.0L. This hose is part of the top-end cooling circuit, directing hot coolant from the engine towards the radiator for heat dissipation.
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 16
The top coolant hose plays a vital role in the engine’s thermal management system, carrying coolant between the thermostat outlet and the top connection of the radiator. On turbocharged engines like the 2.0L Macan’s, coolant temperatures and pressure fluctuations can be more extreme, so this hose must meet high standards for durability, temperature resistance, and fluid compatibility.
The water coolant top (feed) hose:
• Transports hot coolant from the engine to the radiator
• Supports stable engine temperature regulation
• Helps prevent overheating during load or high ambient conditions
• Maintains correct coolant pressure and flow
A properly functioning top coolant hose ensures your engine operates within its designed temperature range, protecting internal components from thermal stress and wear.
Coolant hoses degrade over time due to heat cycles, pressure variations, and chemical exposure. A compromised top coolant hose can lead to:
• Coolant leaks at connections or along the hose body
• Reduced coolant flow and elevated engine temperature
• Overheating under load or in high ambient conditions
• Hose swelling, cracking, or collapse.
Replacing aged or damaged hoses with an OE Match part restores proper coolant circulation and helps protect your engine from heat-related failures.
Replace the top coolant hose if you notice:
• Coolant stains or drips around hose ends
• Swollen, soft, cracked, or brittle hose material
• Coolant smell from the engine bay
• Rising temperature gauge under load
• During water pump, thermostat, or radiator service
• Preventative maintenance on ageing vehicles
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95B122101K
The product you are viewing cross references to these numbers
This Water Coolant Top Hose (Feed) is an OE Match radiator feed hose designed to replace the original upper coolant hose on the Porsche 95B Macan 2.0L. This hose is part of the top-end cooling circuit, directing hot coolant from the engine towards the radiator for heat dissipation.
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 16
The top coolant hose plays a vital role in the engine’s thermal management system, carrying coolant between the thermostat outlet and the top connection of the radiator. On turbocharged engines like the 2.0L Macan’s, coolant temperatures and pressure fluctuations can be more extreme, so this hose must meet high standards for durability, temperature resistance, and fluid compatibility.
The water coolant top (feed) hose:
• Transports hot coolant from the engine to the radiator
• Supports stable engine temperature regulation
• Helps prevent overheating during load or high ambient conditions
• Maintains correct coolant pressure and flow
A properly functioning top coolant hose ensures your engine operates within its designed temperature range, protecting internal components from thermal stress and wear.
Coolant hoses degrade over time due to heat cycles, pressure variations, and chemical exposure. A compromised top coolant hose can lead to:
• Coolant leaks at connections or along the hose body
• Reduced coolant flow and elevated engine temperature
• Overheating under load or in high ambient conditions
• Hose swelling, cracking, or collapse.
Replacing aged or damaged hoses with an OE Match part restores proper coolant circulation and helps protect your engine from heat-related failures.
Replace the top coolant hose if you notice:
• Coolant stains or drips around hose ends
• Swollen, soft, cracked, or brittle hose material
• Coolant smell from the engine bay
• Rising temperature gauge under load
• During water pump, thermostat, or radiator service
• Preventative maintenance on ageing vehicles
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95B122101K
95B122101A
95B122101K
The product you are viewing cross references to these numbers
Price: £48.31
In stock
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Vehicle Group
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
- Porsche 95B.2 Macan Petrol 2.0L (245Bhp) 2019-21
Information
Engine Water Coolant Hose, Feed.
Diagram Ref No 16
Symptoms Of Wear Or Failure:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95B122101A
The product you are viewing cross references to these numbers
Maintain reliable coolant circulation and effective engine temperature control with this OE Match Engine Water Coolant Feed Hose. Designed for compatible Porsche applications, this hose forms part of the engine cooling circuit and carries coolant between the relevant cooling-system components.
Fits:
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
- Porsche 95B.2 Macan Petrol 2.0L (245Bhp) 2019-21
Diagram Ref No 16
The engine cooling system operates under significant heat and pressure. Coolant hoses must remain flexible enough to accommodate engine movement and thermal expansion while also maintaining a secure, leak-free connection.
Over time, repeated heating and cooling cycles can cause coolant hoses to harden, soften, swell or crack. Connection points and sealing surfaces can also deteriorate, potentially allowing coolant to escape.
Even a relatively small coolant leak can eventually reduce the system level enough to compromise engine cooling. Replacing a deteriorated hose with this OE Match Coolant Feed Hose helps restore a secure coolant circuit and dependable engine temperature management.
What This Product Does:
- Carries coolant through the engine cooling system.
- Forms part of the coolant feed circuit.
- Provides a sealed connection between associated cooling components.
- Contains hot, pressurised engine coolant.
- Supports continuous coolant circulation.
- Helps transfer heat away from the engine.
- Supports stable engine operating temperatures.
- Accommodates normal engine movement and vibration.
- Helps prevent coolant loss.
- Supports efficient cooling-system operation.
- Helps protect the engine against overheating.
- Replaces a cracked, swollen, leaking or deteriorated hose.
- Provides an OE Match replacement for compatible Porsche applications.
Symptoms Of Wear Or Failure:
- Visible coolant leakage.
- Coolant level repeatedly dropping.
- Low coolant warning.
- Engine running hotter than normal.
- Engine overheating.
- Unusual temperature fluctuations.
- Coolant smell from the engine compartment.
- Steam from the engine bay.
- Wetness around the hose or its connections.
- Dried or crystallised coolant deposits.
- Cracks in the hose surface.
- Splitting around the hose ends.
- Bulging or swelling.
- Hose becoming unusually soft.
- Hose becoming hard or brittle.
- Damaged connection points.
- Leakage appearing primarily when the engine is hot.
- Coolant collecting underneath the vehicle.
Why Replacement Matters:
- The cooling system must maintain the correct coolant quantity and circulate it efficiently to control engine temperature.
- A deteriorated coolant hose can cause gradual leakage or, in severe cases, fail suddenly and release a substantial amount of coolant.
- Replacing a deteriorated OE Match Coolant Feed Hose before complete failure can help prevent overheating and considerably more expensive engine repairs.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95B122101A
95B122101A
The product you are viewing cross references to these numbers
Price: £75.20
Orderable