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Porsche > Macan (95B) MK1 (2014-2018) > 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18 > Heating / Air Conditioning >

Heater hoses & pipes

Heater hoses & pipes

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DISPLAYING 1 to 7 (of 7 products)
Heater hose auxiliary heater supply. Porsche 95B Macan V6 - 95B819332B
4
Heater hose auxiliary heater supply. Porsche 95B Macan V6
Special Order item
95B819332B
Product Information
Product Information
Heater hose auxiliary heater supply. 

porsche

Fits:
Porsche 95B Macan S 3.0ltr - 2014 to 2018
Porsche 95B Macan GTS 3.0ltr - 2014 to 2018
Porsche 95B Macan turbo 3.6ltr - 2014 to 2018

For cars with Option Codes
TQ9 - Units for V6 3.6ltr engine (DU1/2/3)
T8I - Units for V6 3.0ltr engine (DU0/D4A)


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


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Related, superseded, cross reference or alternative numbers for comparison.

95B819332B
95B819332B

The product you are viewing cross references to these numbers
Heater hose auxiliary heater supply. Porsche 95B Macan V6 - 95B819332B - 77297
4
Heater hose auxiliary heater supply. Porsche 95B Macan V6
95B819332B/1
Product Information
Product Information
Heater hose auxiliary heater supply. 

oematch

Fits:
Porsche 95B Macan S 3.0ltr - 2014 to 2018
Porsche 95B Macan GTS 3.0ltr - 2014 to 2018
Porsche 95B Macan turbo 3.6ltr - 2014 to 2018

For cars with Option Codes
TQ9 - Units for V6 3.6ltr engine (DU1/2/3)
T8I - Units for V6 3.0ltr engine (DU0/D4A)


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


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Related, superseded, cross reference or alternative numbers for comparison.

95B819332B
95B819332B

The product you are viewing cross references to these numbers
Heating Hose Return Line, Coolant Pump To Engine. Porsche 95B Macan S / GTS / Turbo 2014-18 - 95B819350A
2
Heating Hose Return Line, Coolant Pump To Engine. Porsche 95B Macan S / GTS / Turbo 2014-18
Special Order item
95B819350A
Product Information
Product Information
Heating Hose Return Line, Coolant Pump To Engine.

The Heating Hose Return Line – Coolant Pump to Engine is a genuine Porsche cooling and heating system component designed to return coolant from the auxiliary coolant pump back into the engine. This hose ensures consistent coolant circulation through both the engine cooling circuit and the vehicle’s heating system.

Fits:

  • Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
  • Porsche 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014-18
  • Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18  

Diagram Ref No 6

What This Product Does:
  • Carrying coolant from the auxiliary coolant pump back to the engine
  • Maintaining steady coolant circulation
  • Supporting proper cabin heating performance
  • Helping regulate engine operating temperature
  • Ensuring stable cooling system pressure

Symptoms Of Wear Or Failure:
  • Coolant leaks near the coolant pump or engine connection
  • Cracked, brittle, swollen, or softened hose material
  • Sweet coolant smell from the engine bay
  • Low coolant warning light
  • Reduced cabin heating performance
  • Engine overheating if coolant loss becomes significant
  • Coolant residue around hose fittings

Why Replacement Matters:
  • Prevent coolant leaks and unexpected breakdowns
  • Maintain reliable engine temperature regulation
  • Ensure consistent cabin heating
  • Protect engine components from overheating damage
  • Avoid costly repairs caused by cooling system failure



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

95B819350A
95B819350A

The product you are viewing cross references to these numbers
Heating Hose Return Line, Coolant Pump To Engine. Porsche 95B Macan S / GTS / Turbo 2014-18 - 95B819350A
2
Heating Hose Return Line, Coolant Pump To Engine. Porsche 95B Macan S / GTS / Turbo 2014-18
95B819350A/1
Product Information
Product Information
Heating Hose Return Line, Coolant Pump To Engine.

The Heating Hose Return Line – Coolant Pump to Engine is a OE MATCH cooling and heating system component designed to return coolant from the auxiliary coolant pump back into the engine. This hose ensures consistent coolant circulation through both the engine cooling circuit and the vehicle’s heating system.

Fits:

  • Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
  • Porsche 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014-18
  • Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18  

Diagram Ref No 6

What This Product Does:
  • Carrying coolant from the auxiliary coolant pump back to the engine
  • Maintaining steady coolant circulation
  • Supporting proper cabin heating performance
  • Helping regulate engine operating temperature
  • Ensuring stable cooling system pressure

Symptoms Of Wear Or Failure:
  • Coolant leaks near the coolant pump or engine connection
  • Cracked, brittle, swollen, or softened hose material
  • Sweet coolant smell from the engine bay
  • Low coolant warning light
  • Reduced cabin heating performance
  • Engine overheating if coolant loss becomes significant
  • Coolant residue around hose fittings

Why Replacement Matters:
  • Prevent coolant leaks and unexpected breakdowns
  • Maintain reliable engine temperature regulation
  • Ensure consistent cabin heating
  • Protect engine components from overheating damage
  • Avoid costly repairs caused by cooling system failure



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

95B819350A
95B819350A

The product you are viewing cross references to these numbers
Heating Hose Return Line. Porsche 95B Macan S / GTS / Turbo 3.0L / 3.6L 2014-18 - 95B819334
2
Heating Hose Return Line. Porsche 95B Macan S / GTS / Turbo 3.0L / 3.6L 2014-18
Special Order item
95B819334
Product Information
Product Information
Heating Hose Return Line.

The Heating Hose Return Line is a genuine Porsche heating and cooling system component designed to return coolant from the heater core back into the engine’s cooling circuit. This hose plays a vital role in maintaining proper cabin heating performance and overall coolant circulation.

Fits:

  • Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
  • Porsche 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014-18
  • Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
  
Diagram Ref No 5

What This Product Does:

  • Carrying coolant away from the heater core
  • Maintaining consistent coolant circulation through the heating system
  • Supporting proper cabin heating performance
  • Helping regulate engine and heater core temperature
  • Ensuring stable cooling system pressure

Symptoms Of Wear Or Failure:
  • Coolant leaks near the firewall or heater hose connections
  • Sweet coolant smell inside or outside the vehicle
  • Low coolant warning light
  • Poor or inconsistent cabin heating performance
  • Visible cracks, swelling, or soft spots in the hose
  • Engine overheating if coolant loss becomes significant
  • Coolant residue around hose joints

Why Replacement Matters:
  • Prevent coolant leaks and unexpected breakdowns
  • Maintain reliable cabin heating
  • Protect the engine from overheating damage
  • Ensure correct cooling system circulation
  • Avoid costly repairs caused by coolant system failure



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

95B819334
95B819334

The product you are viewing cross references to these numbers
Heating Hose Return Line. Porsche 95B Macan S / GTS / Turbo 3.0L / 3.6L 2014-18 - 95B819334
2
Heating Hose Return Line. Porsche 95B Macan S / GTS / Turbo 3.0L / 3.6L 2014-18
95B819334/1
Product Information
Product Information
Heating Hose Return Line.

The Heating Hose Return Line is a OE MATCH heating and cooling system component designed to return coolant from the heater core back into the engine’s cooling circuit. This hose plays a vital role in maintaining proper cabin heating performance and overall coolant circulation.

Fits:

  • Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
  • Porsche 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014-18
  • Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
  
Diagram Ref No 5

What This Product Does:

  • Carrying coolant away from the heater core
  • Maintaining consistent coolant circulation through the heating system
  • Supporting proper cabin heating performance
  • Helping regulate engine and heater core temperature
  • Ensuring stable cooling system pressure

Symptoms Of Wear Or Failure:
  • Coolant leaks near the firewall or heater hose connections
  • Sweet coolant smell inside or outside the vehicle
  • Low coolant warning light
  • Poor or inconsistent cabin heating performance
  • Visible cracks, swelling, or soft spots in the hose
  • Engine overheating if coolant loss becomes significant
  • Coolant residue around hose joints

Why Replacement Matters:
  • Prevent coolant leaks and unexpected breakdowns
  • Maintain reliable cabin heating
  • Protect the engine from overheating damage
  • Ensure correct cooling system circulation
  • Avoid costly repairs caused by coolant system failure



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

95B819334
95B819334

The product you are viewing cross references to these numbers
Hose connector y-piece for Porsche 970 Panamera / 95B Macan - 97010657060, 7PP121237
2
Hose connector y-piece for Porsche 970 Panamera / 95B Macan
7PP121237/1
Product Information
Product Information
Hose connector y-piece.


oematch

Fits:
Porsche 970 Panamera 3.0L 2014-2016 
Porsche 95B Macan V6 Petrol 2014-2018
Porsche 95B.2 Macan 2019*



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

7PP121237
97010657060
7PP121237

The product you are viewing cross references to these numbers
DISPLAYING 1 to 7 (of 7 products)
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About Heater hoses & pipes

Porsche Heater Hoses & Pipes | Reliable Coolant Flow & Cabin Heating Efficiency

Heater hoses and pipes are essential components in your Porsche’s heating and cooling system. They carry heated coolant from the engine to the heater core, enabling warm air circulation throughout the cabin. Without properly functioning hoses and pipes, the heating system cannot deliver consistent temperature control or maintain efficient engine cooling.

At Design911, we supply premium heater hoses and coolant pipes that meet or exceed original engineering standards. Constructed from high-quality rubber, aluminium, or reinforced composite materials, these components ensure leak-free performance, excellent heat resistance, and long-term durability.

Whether you’re restoring a classic 911 or maintaining a modern Porsche with advanced climate control systems, our heater hoses and pipes provide the precision, fitment, and performance required for dependable heating and cooling.

What Do Heater Hoses & Pipes Do?

Heater hoses and pipes form the circulation path that carries hot coolant from the engine to the heater core, allowing the HVAC system to provide warm air inside the cabin.

Core Functions:

  • Transfer heated coolant to the heater core for cabin warming.
  • Maintain proper coolant flow between engine and heating system.
  • Regulate temperature and prevent air pockets in the system.
  • Ensure efficient heat exchange for passenger comfort.
  • Protect against coolant loss and overheating.

A properly functioning set of hoses and pipes is critical for both engine cooling performance and interior heating efficiency.

Why Do Heater Hoses & Pipes Fail or Degrade?

These components endure constant heat, pressure, and vibration. Over time, material fatigue and corrosion can lead to leaks or blockages.

Common Causes of Failure Include:

  • Age-related cracking, swelling, or brittleness of rubber hoses.
  • Corrosion or pinhole leaks in metal pipes.
  • Coolant contamination or chemical degradation.
  • Loose or damaged hose clamps causing leaks.
  • Blockages from scale or debris restricting coolant flow.

When heater hoses or pipes fail, symptoms include coolant leaks, weak cabin heat, overheating, or a sweet smell of antifreeze inside the cabin.

Why Replace Your Porsche Heater Hoses & Pipes?

Replacing worn or damaged heater hoses and pipes restores proper coolant circulation, prevents leaks, and ensures stable heating and engine temperature control.

Key Benefits:

  • Restores efficient coolant flow and cabin heating performance.
  • Prevents leaks, overheating, and engine damage.
  • Improves reliability and system pressure integrity.
  • Resistant to heat, pressure, and corrosion for long lifespan.
  • Direct-fit replacements for Porsche 911, Cayman, Boxster, Panamera, Macan, and Cayenne models.
  • Ideal for maintenance, restorations, or performance upgrades.

It’s recommended to replace heater hoses and clamps during coolant service intervals to maintain maximum system reliability.

Highlights

  • Precision-engineered Porsche heater hoses and coolant pipes.
  • Constructed from high-quality, heat-resistant materials.
  • Direct-fit replacements for Porsche models old and new.
  • Designed for long-term resistance to pressure and corrosion.
  • Ensures reliable heating and engine cooling performance.
  • Ideal for restoration, servicing, and preventative maintenance.       

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