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Your Vehicle  //  Porsche  //  Cayenne 9PA (955) 2003-2006  //  955 Cayenne 3.2L V6 2003-06
PorscheCayenne 9PA (955) 2003-2006955 Cayenne 3.2L V6 2003-06Heating / Air ConditioningHeater hoses & pipes

Heater return coolant pipe. Porsche 986 Boxster 1997-2004 › 98657268302

Heater return coolant pipe. Porsche 986 Boxster 1997-2004 - 98657268302, 98657268300, 98657268301, 98657268102
1
Check vehicle fitment
Special Order item
98657268302
Product Information
Product Information

Heater return coolant pipe.

If you also require the rest of Supply Tube, visit link: 98657268102

Fits

  • Porsche Boxster 986 1997–1999 2.5l
  • Porsche Boxster 986 2000-2004 2.7l  
  • Porsche Boxster 986 2000-2004 3.2l

    Check fitment for your specific vehicle (model, year, engine) before ordering.

    Diagram ref no 7

    What This Product Does

The water tube forms a section of the vehicle's heating circuit, following the routing specified for this assembly. Although labelled 'hot air duct' it is identified as a Heater Return Coolant pipe.

Functions

  • Provides a pipework section within the heating circuit.
  • Interfaces with neighbouring heater connections and fittings.
  • Follows the assembly's intended routing and mounting arrangement.

    Technical Details
  • Manufacturer: Porsche; genuine replacement component.
  • Supplied description: hot air duct. 
  • Assembly context: heating feed and return pipework.
  • Quantity: 1.

    Symptoms of Fault

Possible signs warranting inspection include:

  • Cracks, surface wear or distortion of the tube.
  • Moisture or coolant residue at connections.
  • A falling coolant level or recurring coolant warning.
  • An antifreeze odour or uneven heater output.

    These symptoms are not specific to this component. Confirm the leak or damaged connection before replacing parts.

    Why Replacement Matters

Renewal is appropriate when deterioration affects the tube or its connections. Examine neighbouring hoses, sealing pieces, clamps, grommets and supports at the same time. These are separate components shown within the assembly, not confirmed contents of this product.

FAQs

How is this component identified?
The supplied exploded diagram calls it a hot air duct; it is also identified as a heater return coolant pipe.

What should be checked during fitting?
Inspect adjacent connections and supporting hardware for damage, corrosion or looseness.

Is bleeding necessary after installation?
If the work opens coolant pipework, refill and bleed the system according to the applicable Porsche workshop instructions.



Related reference numbers
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98657268302
98657268302
98657268300
98657268301
98657268102

The product you are viewing cross references to these numbers
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Heater pipe. Porsche 955 / 957 / 958 Cayenne - 95557269802, 95557269801
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Heater pipe. Porsche 955 / 957 / 958 Cayenne
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Product Information
Product Information
Heater pipe.

Fits:
Porsche 958 Cayenne 2011-18
for cars with
option code: 9M0 - Without auxiliary heater/parking heater
option code: 9M5 - Preheater for diesel

Porsche 957 Cayenne 3.6L / 4.8L 2007-10
Porsche 955 Cayenne 3.2L / 4.5L 2003-06

Click 'Zoom in' for large parts diagram.
Diagram ref no 14



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95557269802
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PLASTIC RIVET N0385012 - N0385012, N 0385012
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PLASTIC RIVET N0385012
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Product Information
Product Information


Plastic rivet. Sold each.
Fits:

Various Porsche models.



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N0385012
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HVAC Heater Control Valve. Porsche 955 / 957 / 958 / 9YA Cayenne / 95B / 95B.2 Macan - 95557282405, 95557282403
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HVAC Heater Control Valve. Porsche 955 / 957 / 958 / 9YA Cayenne / 95B / 95B.2 Macan
Special Order item
95557282405
Product Information
Product Information
HVAC Heater Control Valve.
The Genuine Porsche HVAC Heater Control Valve is an original equipment heating and climate control component designed to regulate the flow of engine coolant through the heater core on compatible Porsche models. Manufactured to Porsche's exact specifications for fit, performance and durability, this precision-engineered control valve ensures accurate temperature regulation within the passenger compartment by controlling the amount of hot coolant entering the heater matrix.  

Fits:
  • Porsche 955 Cayenne 3.2L V6 2003-06
  • Porsche 955 Cayenne S 4.5L V8 2003-06
  • Porsche 955 Cayenne Turbo 4.5L 2003-06
  • Porsche 955 Cayenne Turbo S 4.5L 2006>>
  • Porsche 957 Cayenne 3.0L Diesel 2007-10
  • Porsche 957 Cayenne 3.6L 2007-10
  • Porsche 957 Cayenne S / GTS 4.8L 2007-10
  • Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
  • Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
  • Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
  • Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
  • Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
  • Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
  • Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
  • Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
  • Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
  • Porsche 9YA Cayenne V6 3.0L Petrol (340Hp) 2018-23
  • Porsche 9YA Cayenne Coupe V6 3.0L Petrol (340Hp) 2019-23
  • Porsche 9YA Cayenne E-Hybrid V6 3.0L V6 (340Hp) 2018-23
  • Porsche 9YA Cayenne Coupe E-Hybrid V6 3.0L (340Hp) 2020-23
  • Porsche 9YA Cayenne GTS V8 4.0L Petrol (460Hp) 2020-23
  • Porsche 9YA Cayenne Coupe GTS V8 4.0L Petrol (460Hp) 2021-23
  • Porsche 9YA Cayenne Turbo V8 4.0L Petrol (550Hp) 2020-23
  • Porsche 9YA Cayenne Coupe Turbo V8 4.0L Petrol (550Hp) 2019-23
  • Porsche 9YA Cayenne Turbo S E-Hybrid V8 4.0L (550Hp) 2019-23
  • Porsche 9YA Cayenne Coupe Turbo S E-Hybrid V8 4.0L (550Hp) 2020-23
  • Porsche 9YA Cayenne Coupe Turbo GT V8 4.0L (640Hp) 2021-23
  • Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
  • Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 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
  • Porsche 95B.2 Macan Petrol 2.0L (245Bhp) 2019-21
  • Porsche 95B.2 Macan S Petrol 3.0L V6 (354Bhp) 2019-21
  • Porsche 95B.2 Macan GTS Petrol 2.9L V6 (380Bhp) 2019-21
  • Porsche 95B.2 Macan Turbo 2.9L V6 (440Bhp) 2019-21  

Diagram Ref No 1

Manufactured from high-quality automotive-grade composite materials with corrosion-resistant internal valve components and durable seals, the heater control valve is engineered to withstand continuous exposure to engine coolant, pressure fluctuations, high operating temperatures and repeated thermal cycling. Designed as a direct replacement for the original component, it integrates seamlessly with the vehicle's HVAC and engine cooling systems, providing factory-correct operation and long-term reliability.  

What This Product Does:
  • Regulates the flow of engine coolant to the heater core.
  • Controls cabin heating performance.
  • Maintains accurate interior temperature regulation.
  • Supports efficient operation of the HVAC system.
  • Helps provide rapid cabin warm-up in cold conditions.
  • Works with the vehicle's climate control system for consistent comfort.
  • Restores factory heating system performance.
  • Forms an essential part of the vehicle's heating and cooling system.

Symptoms Of Wear Or Failure:
  • No cabin heat or insufficient heating.
  • Constant hot air from the vents regardless of temperature setting.
  • Inconsistent cabin temperature.
  • Coolant leaks around the heater valve.
  • Low engine coolant level caused by leakage.
  • Dampness or coolant residue around the valve.
  • Poor climate control performance.
  • Heater taking longer than normal to warm the cabin.
  • Engine coolant warning due to coolant loss.
  • Visible corrosion or damage to the valve body.

Why Replacement Matters:
  • The HVAC heater control valve operates continuously as part of the vehicle's climate control system, regulating hot coolant flow whenever the cabin temperature is adjusted. Over time, exposure to hot coolant, pressure changes and repeated operating cycles can cause the internal valve mechanism or seals to wear, seize or leak.
  • A faulty heater control valve can prevent the correct amount of coolant from reaching the heater core, resulting in poor cabin heating, inconsistent temperature control or coolant leaks. Continued operation with a leaking valve can lead to coolant loss, reduced engine cooling efficiency and potential engine overheating if left unresolved.
  • Replacing a worn or faulty heater control valve with a Genuine Porsche component restores precise coolant flow regulation and reliable cabin heating performance. Manufactured to Porsche's exact engineering standards, the Genuine HVAC Heater Control Valve provides factory-correct fitment, exceptional durability and dependable long-term performance, ensuring the comfort, reliability and refinement expected from your Porsche.


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

95557282405
95557282405
95557282403

The product you are viewing cross references to these numbers
HVAC Heater Control Valve. Porsche 955 / 957 / 958 / 9YA Cayenne / 95B / 95B.2 Macan - 95557282405, 95557282403 - A4122112
2
HVAC Heater Control Valve. Porsche 955 / 957 / 958 / 9YA Cayenne / 95B / 95B.2 Macan
95557282405/1
Product Information
Product Information
HVAC Heater Control Valve.
The OE MATCH HVAC Heater Control Valve is a heating and climate control component designed to regulate the flow of engine coolant through the heater core on compatible Porsche models. This precision-engineered control valve ensures accurate temperature regulation within the passenger compartment by controlling the amount of hot coolant entering the heater matrix.  

Fits:
  • Porsche 955 Cayenne 3.2L V6 2003-06
  • Porsche 955 Cayenne S 4.5L V8 2003-06
  • Porsche 955 Cayenne Turbo 4.5L 2003-06
  • Porsche 955 Cayenne Turbo S 4.5L 2006>>
  • Porsche 957 Cayenne 3.0L Diesel 2007-10
  • Porsche 957 Cayenne 3.6L 2007-10
  • Porsche 957 Cayenne S / GTS 4.8L 2007-10
  • Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
  • Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
  • Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
  • Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
  • Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
  • Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
  • Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
  • Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
  • Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
  • Porsche 9YA Cayenne V6 3.0L Petrol (340Hp) 2018-23
  • Porsche 9YA Cayenne Coupe V6 3.0L Petrol (340Hp) 2019-23
  • Porsche 9YA Cayenne E-Hybrid V6 3.0L V6 (340Hp) 2018-23
  • Porsche 9YA Cayenne Coupe E-Hybrid V6 3.0L (340Hp) 2020-23
  • Porsche 9YA Cayenne GTS V8 4.0L Petrol (460Hp) 2020-23
  • Porsche 9YA Cayenne Coupe GTS V8 4.0L Petrol (460Hp) 2021-23
  • Porsche 9YA Cayenne Turbo V8 4.0L Petrol (550Hp) 2020-23
  • Porsche 9YA Cayenne Coupe Turbo V8 4.0L Petrol (550Hp) 2019-23
  • Porsche 9YA Cayenne Turbo S E-Hybrid V8 4.0L (550Hp) 2019-23
  • Porsche 9YA Cayenne Coupe Turbo S E-Hybrid V8 4.0L (550Hp) 2020-23
  • Porsche 9YA Cayenne Coupe Turbo GT V8 4.0L (640Hp) 2021-23
  • Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
  • Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 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
  • Porsche 95B.2 Macan Petrol 2.0L (245Bhp) 2019-21
  • Porsche 95B.2 Macan S Petrol 3.0L V6 (354Bhp) 2019-21
  • Porsche 95B.2 Macan GTS Petrol 2.9L V6 (380Bhp) 2019-21
  • Porsche 95B.2 Macan Turbo 2.9L V6 (440Bhp) 2019-21  

Diagram Ref No 1

The heater control valve is engineered to withstand continuous exposure to engine coolant, pressure fluctuations, high operating temperatures and repeated thermal cycling. Designed as a replacement, it integrates seamlessly with the vehicle's HVAC and engine cooling systems, providing correct operation and long-term reliability.  

What This Product Does:
  • Regulates the flow of engine coolant to the heater core.
  • Controls cabin heating performance.
  • Maintains accurate interior temperature regulation.
  • Supports efficient operation of the HVAC system.
  • Helps provide rapid cabin warm-up in cold conditions.
  • Works with the vehicle's climate control system for consistent comfort.
  • Forms an essential part of the vehicle's heating and cooling system.

Symptoms Of Wear Or Failure:
  • No cabin heat or insufficient heating.
  • Constant hot air from the vents regardless of temperature setting.
  • Inconsistent cabin temperature.
  • Coolant leaks around the heater valve.
  • Low engine coolant level caused by leakage.
  • Dampness or coolant residue around the valve.
  • Poor climate control performance.
  • Heater taking longer than normal to warm the cabin.
  • Engine coolant warning due to coolant loss.
  • Visible corrosion or damage to the valve body.

Why Replacement Matters:
  • The HVAC heater control valve operates continuously as part of the vehicle's climate control system, regulating hot coolant flow whenever the cabin temperature is adjusted. Over time, exposure to hot coolant, pressure changes and repeated operating cycles can cause the internal valve mechanism or seals to wear, seize or leak.
  • A faulty heater control valve can prevent the correct amount of coolant from reaching the heater core, resulting in poor cabin heating, inconsistent temperature control or coolant leaks. Continued operation with a leaking valve can lead to coolant loss, reduced engine cooling efficiency and potential engine overheating if left unresolved.


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

95557282405
95557282405
95557282403

The product you are viewing cross references to these numbers