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Product Information
Product Information
Disc Valve Heater Hose.
The OE Match Disc Valve Heater Hose is a high-quality replacement heating and vacuum system hose designed to connect the heater control valve (disc valve) within the vehicle's heating system. Manufactured to OE specifications for fit, flexibility and durability, this hose ensures the reliable transfer of coolant or heated air required for efficient cabin heating system operation.  

Fits:
  • Porsche 924S 2.5L 1986-87
  • Porsche 924S 2.5L 1988
  • Porsche 944 2.5L 8V 1982-87
  • Porsche 944 2.7L 8V 1988-89
  • Porsche 944S 2.5L 16V 1987-88
  • Porsche 944S2 3.0L 16V 1989-91
  • Porsche 944 Turbo 2.5L 8V 1985-88
  • Porsche 944 Turbo 2.5L 8V 1989-91
  • Porsche 944 Turbo S 2.5L 8V 1988
  • Porsche 968 3.0L 1992-94
  • Porsche 968 Sport 3.0L 1994-95
  • Porsche 968 CS 3.0L 1993-95
  • Porsche 968 Turbo S 3.0L 1993-94  

Constructed from heat-resistant materials designed to withstand continuous exposure to engine bay temperatures, pressure fluctuations and coolant vapours, the hose plays a vital role in maintaining proper heater system performance and climate control functionality.  

What This Product Does:
  • Connects the heater disc valve to the vehicle's heating system.
  • Allows the controlled flow of coolant or heated air through the heater circuit.
  • Supports efficient cabin heating performance.
  • Helps regulate interior temperature control.
  • Maintains the integrity of the heating and ventilation system.
  • Prevents coolant or air leakage from the heater circuit.
  • Contributes to overall HVAC system efficiency and reliability.

Symptoms Of Wear Or Failure:
  • Coolant leaks within the engine bay.
  • Loss of coolant without obvious external leaks.
  • Reduced cabin heating performance.
  • Heater producing inconsistent temperatures.
  • Sweet coolant smell inside or around the vehicle.
  • Visible cracking, splitting or swelling of the hose.
  • Soft, brittle or deteriorated hose material.
  • Moisture or coolant residue around hose connections.
  • Engine overheating caused by coolant system leaks.

Why Replacement Matters:

  • Heater hoses operate in demanding conditions and are constantly exposed to heat, pressure changes, coolant chemicals and environmental ageing. Over time, rubber hoses can harden, crack, swell or weaken, increasing the risk of leaks and system failure.
  • A damaged heater hose can lead to coolant loss, poor cabin heating performance and reduced cooling system efficiency. If coolant loss becomes severe, engine overheating may occur, potentially resulting in costly engine damage. Even small leaks can worsen over time and affect both comfort and reliability.
  • Replacing a worn disc valve heater hose restores proper coolant circulation through the heating system, prevents leaks and helps maintain reliable climate control performance. An OE Match replacement provides factory-style fitment, dependable durability and long service life, helping preserve the efficiency and reliability of your Porsche's heating and cooling systems.



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