Radiator Top / Bottom Hoses

Coolant Hose, Feed.

The Coolant Hose – Feed is a genuine Porsche cooling system component designed to deliver coolant through the engine’s feed circuit. This hose ensures that coolant is supplied efficiently to key engine and radiator components, helping maintain stable operating temperatures and overall cooling system performance.

Fits:

• Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18

Diagram Ref No 10

What This Product Does:

• Supplying coolant to essential engine cooling components
• Maintaining consistent coolant circulation
• Supporting correct cooling system pressure
• Helping regulate engine operating temperature
• Preventing overheating during daily and high-load driving

Symptoms Of Wear Or Failure:

• Coolant leaks near the hose or connection points
• Cracked, brittle, swollen, or softened 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 around hose clamps or fittings

Why Replacement Matters:

• Prevent sudden coolant leaks and breakdowns
• Maintain proper coolant flow and temperature regulation
• Protect engine components from heat damage
• Restore reliable cooling system performance
• Avoid costly repairs caused by overheating

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95B122101B

The product you are viewing cross references to these numbers

Coolant Hose, Feed.

The Coolant Hose – Feed is a OE MATCH cooling system component designed to deliver coolant through the engine’s feed circuit. This hose ensures that coolant is supplied efficiently to key engine and radiator components, helping maintain stable operating temperatures and overall cooling system performance.

Fits:

• Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18

Diagram Ref No 10

What This Product Does:

• Supplying coolant to essential engine cooling components
• Maintaining consistent coolant circulation
• Supporting correct cooling system pressure
• Helping regulate engine operating temperature
• Preventing overheating during daily and high-load driving

Symptoms Of Wear Or Failure:

• Coolant leaks near the hose or connection points
• Cracked, brittle, swollen, or softened 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 around hose clamps or fittings

Why Replacement Matters:

• Prevent sudden coolant leaks and breakdowns
• Maintain proper coolant flow and temperature regulation
• Protect engine components from heat damage
• Restore reliable cooling system performance
• Avoid costly repairs caused by overheating

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95B122101B

The product you are viewing cross references to these numbers

Coolant Hose, Return.

The Coolant Hose – Return is a genuine Porsche cooling system component designed to carry coolant back through the cooling circuit after it has absorbed heat from the engine. As a return hose, it plays a key role in completing the cooling loop and ensuring efficient heat exchange through the radiator system.

Fits:

• Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18

Diagram Ref No 12

What This Product Does:

• Carrying heated coolant back through the cooling system
• Maintaining consistent coolant circulation
• Supporting correct cooling system pressure
• Helping regulate engine operating temperature
• Ensuring efficient heat dissipation

Symptoms Of Wear Or Failure:

• Coolant leaks near the hose or connection points
• Cracked, brittle, swollen, or softened 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 around hose clamps or fittings

Why Replacement Matters:

• Prevent sudden coolant leaks and breakdowns
• Maintain proper coolant circulation and temperature control
• Protect engine components from heat damage
• Restore reliable cooling system performance
• Avoid costly repairs caused by overheating

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95B121109B

The product you are viewing cross references to these numbers

Coolant Hose, Return.

The Coolant Hose – Return is a OE MATCH cooling system component designed to carry coolant back through the cooling circuit after it has absorbed heat from the engine. As a return hose, it plays a key role in completing the cooling loop and ensuring efficient heat exchange through the radiator system.

Fits:

• Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18

Diagram Ref No 12

What This Product Does:

• Carrying heated coolant back through the cooling system
• Maintaining consistent coolant circulation
• Supporting correct cooling system pressure
• Helping regulate engine operating temperature
• Ensuring efficient heat dissipation

Symptoms Of Wear Or Failure:

• Coolant leaks near the hose or connection points
• Cracked, brittle, swollen, or softened 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 around hose clamps or fittings

Why Replacement Matters:

• Prevent sudden coolant leaks and breakdowns
• Maintain proper coolant circulation and temperature control
• Protect engine components from heat damage
• Restore reliable cooling system performance
• Avoid costly repairs caused by overheating

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95B121109B

The product you are viewing cross references to these numbers

Radiator coolant bottom hose. 

Fits:
Porsche 95B.1 Macan S Petrol - 2014 to 2018
Porsche 95B.1 Macan GTS  - 2014 to 2018
Porsche 95B.1 Macan turbo - 2014 to 2018

Click 'Zoom in' for large parts diagram.
Diagram ref no 24

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95B121109E

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Radiator coolant bottom hose
This Radiator Coolant Bottom Hose is a precision-engineered OE Match return coolant hose designed to replace the original lower radiator hose on Porsche 95B.1 Macan S, GTS, and Turbo models. It carries cooled engine coolant from the radiator back to the engine - completing the core cooling loop.

Fits:
Porsche 95B.1 Macan S 3.0L Petrol 2014 - 2018
Porsche 95B.1 Macan GTS  3.0L 2014 - 2018
Porsche 95B.1 Macan turbo 3.6L 2014 - 2018

Diagram ref no 24

The Macan’s turbocharged engines require reliable coolant circulation to maintain ideal temperatures under all driving conditions. The bottom radiator hose (also known as the return hose) plays a crucial role in transporting coolant after it has been cooled in the radiator. It must withstand heat, pressure, vibration, and continual flexing without cracking, softening, or leaking.

This OE Match hose is manufactured to match the original Porsche specification for:
• Internal diameter and flow capacity
• Bend radii and routing paths
• Wall thickness and thermal resistance
•  Corrosion-resistant specimen materials.

The hose is made from high-grade EPDM rubber with reinforcement layers to ensure long-lasting durability and resistance to pressure spikes and coolant exposure. Designed for direct replacement of the original Porsche part, it installs easily into the factory routing and seals.

The radiator return hose is exposed to hot coolant, pressure cycling, and engine bay movement. Over time, the hose can deteriorate - causing coolant leaks, reduced flow, and elevated engine temperatures. A compromised return hose increases the risk of engine overheating, reduced heater output, and potential engine damage under sustained load. Replacing a worn or aged hose with an OE Match radiator bottom hose helps ensure the cooling system functions properly, protects internal components, and preserves performance and reliability.

Replace this hose if you observe:
•  Visible cracks, soft spots, or swelling
•  Coolant leakage at hose ends or body
•  Overheating or fluctuating temperature gauge readings
•  Hardened, brittle, or collapsed hose material
•  During water pump, thermostat, or radiator servicing
•  Preventative maintenance on high-mile vehicles

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95B121109E

The product you are viewing cross references to these numbers

Water coolant bottom hose, return. 

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

Related reference numbers
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95B121109J

The product you are viewing cross references to these numbers

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

Water coolant top hose, feed. 

Fits:
Porsche 95B.1 Macan S 3.0L  2014 - 2018
Porsche 95B.1 Macan GTS 3.0L  2014 - 2018
Porsche 95B.1 turbo 3.6L  2014 - 2018

Click 'Zoom in' for large parts diagram.
Diagram ref no 35

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Related, superseded, cross reference or alternative numbers for comparison.

95B122101D

The product you are viewing cross references to these numbers

Water coolant top hose, feed. 



Fits:
Porsche 95B.1 Macan S - 2014 to 2018
Porsche 95B.1 Macan GTS - 2014 to 2018
Porsche 95B.1 turbo - 2014 to 2018

Click 'Zoom in' for large parts diagram.
Diagram ref no 35

Related reference numbers
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95B122101D

The product you are viewing cross references to these numbers

Water coolant top hose, feed. Top of radiator.

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


Related reference numbers
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95B122101K

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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