Heater Hose HVAC Feed. Porsche 996 / 997.1  ❭  99610621275

HVAC Heater Hose - Feed

Maintain the efficiency and reliability of your Porsche's heating and cooling system with this HVAC Heater Hose (Feed)

Fits:

• Porsche 996 C2 3.6L 09/01-2005 (Tiptronic only)                 
• Porsche 996 C4 3.6L 09/01-2005 (Tiptronic only)     
• Porsche 996 C4S 3.6L 09/01-2005 (Tiptronic only)     
• Porsche 996 TURBO 2000-05
• Porsche 997 MK1 Carrera 2 3.6L 2005-08
• Porsche 997 MK1 Carrera 2S 3.8L 2005-08
• Porsche 997 MK1 Carrera 4 3.6L 2005-08
• Porsche 997 MK1 Carrera 4S 3.8L 2005-08
• Porsche 997 MK1 TURBO 2007-09
• Porsche 997 MK1 GT2 2007-09
• Porsche 997 MKII GT3 / GT3 RS 2010-11

Diagram ref no 17 

This genuine Porsche coolant hose forms an important part of the vehicle's HVAC (Heating, Ventilation and Air Conditioning) system by carrying hot engine coolant from the engine to the heater matrix (heater core). As coolant flows through the heater matrix, warm air is produced and directed into the cabin, providing rapid demisting, comfortable interior temperatures and helping the climate control system operate as designed.

Manufactured to Porsche's exact specifications, this Genuine Porsche heater feed hose offers the correct internal diameter, moulded shape and heat-resistant construction to ensure perfect fitment, unrestricted coolant flow and long-term reliability.

Whether replacing a leaking hose or carrying out preventative maintenance during cooling system repairs, choosing Genuine Porsche components ensures the quality and durability expected from the original factory installation.

What Does the HVAC Heater Feed Hose Do?

The heater feed hose transports hot coolant from the engine's cooling system to the heater matrix located inside the dashboard.

As engine coolant passes through the heater matrix, air is blown across it by the HVAC system, providing:

• Warm cabin heating
• Rapid windscreen demisting and defrosting
• Stable interior temperature control
• Efficient operation of the Porsche climate control system

The hose must withstand constant exposure to high coolant temperatures and system pressure while remaining flexible enough to accommodate engine movement and thermal expansion.

Why Do Heater Hoses Fail?

Like all rubber coolant hoses, heater hoses gradually deteriorate through age and continual exposure to heat, pressure and coolant chemicals.

Common causes of failure include:

• Rubber hardening with age
• Internal deterioration from coolant additives
• Heat cycling causing loss of flexibility
• Surface cracking and perishing
• Abrasion against surrounding components
• Swelling from oil or coolant contamination
• Corrosion around hose connections

As the hose ages, it becomes more susceptible to splitting or developing leaks, which can lead to coolant loss, reduced heater performance and, if ignored, engine overheating.

When Should the Heater Hose Be Replaced?

The HVAC heater feed hose should be inspected during every major service or whenever the cooling system is being maintained.

Replacement is recommended if you notice:

• Coolant leaks
• Dampness around the hose connections
• Cracked or perished rubber
• Bulging or swollen sections
• Soft or excessively hard hose material
• Sweet coolant smell from the engine bay
• Poor cabin heating caused by coolant loss
• During cooling system overhauls or engine-out servicing

Replacing ageing coolant hoses as preventative maintenance greatly reduces the risk of unexpected coolant loss and helps maintain the reliability of the engine and heating system.

Genuine Porsche Cooling & HVAC Components

The cooling and heating systems on your Porsche are designed to work together to regulate both engine temperature and cabin comfort. Every hose within the system plays an essential role in maintaining efficient coolant circulation and ensuring reliable operation under all driving conditions.

Because rubber coolant hoses naturally age over time, replacing them before failure is one of the most effective forms of preventative maintenance. A genuine Porsche hose guarantees the correct fit, material specification and durability required to withstand the demanding operating conditions of a high-performance engine.

Whether you're refreshing an ageing cooling system or undertaking a complete engine rebuild, fitting Genuine Porsche hoses provides peace of mind and helps preserve the long-term reliability of your vehicle.

Benefits of Replacing the Heater Feed Hose

• Restores reliable coolant circulation
• Improves cabin heating performance
• Supports rapid windscreen demisting
• Reduces the risk of coolant leaks
• Helps protect against engine overheating
• Direct Genuine Porsche replacement
• Ideal during cooling system servicing or preventative maintenance        

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