Genuine OEM 7PP819810A - HVAC Heater Control Valve (Rear)

Product Overview

The Genuine OEM 7PP819810A is a rear HVAC heater control valve engineered for Volkswagen Touareg models equipped with the 3.6-liter VR6 engine. This valve regulates coolant flow to the rear heating system, maintaining proper cabin temperature distribution across all seating zones. As a factory-original component, it meets Volkswagen's exact specifications and is backed by OEM warranty coverage, making it the preferred choice for dealerships and owners seeking reliable climate control performance.

Symptoms of a Failing HVAC Heater Control Valve

• Rear cabin remains cold or does not warm up despite front heating working normally
• Inconsistent temperature between front and rear seating areas
• Coolant leaks visible beneath the vehicle or around the valve housing
• Hissing or gurgling sounds from the HVAC system when heating is engaged
• Sweet-smelling coolant odor inside the cabin, indicating an internal leak
• Dashboard warning lights related to coolant level or temperature management

Cross Reference Numbers

This Genuine OEM 7PP819810A is equivalent to or replaces the following part numbers: 7PP-819-810-A, 7PP819810A.

Vehicle Compatibility

This part fits the popular models below. For Fitment Confidence, please use the vehicle selector tool above to verify exact compatibility for your vehicle.

• Volkswagen Touareg VR6 3.6 L V6 Gas (7P Touareg): 2011
• Volkswagen Touareg V6 3.6 L V6 Gas (7P Touareg): 2012–2017

This may also fit other applications. Please use the vehicle selector tool to verify fitment.

Often Replaced Together

For a complete rear heating system service, many owners replace the following at the same time:

• Rear heater core and associated hoses
• Coolant thermostat and housing
• Engine coolant (flush and refill)
• Heater control valve gaskets and seals

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Frequently Asked Questions

How do I know if my Volkswagen Touareg rear heater control valve needs replacement?

The most common sign is when the rear cabin stays cold while the front heats normally. You may also notice coolant leaks under the vehicle, a sweet smell inside the cabin, or gurgling sounds from the HVAC system. If your Touareg's rear heating has stopped working and coolant level is dropping, the valve is likely the culprit.

What is the difference between a front and rear heater control valve?

The rear heater control valve (like the 7PP819810A) manages coolant flow exclusively to the rear cabin heating system, while the front valve controls heat distribution to the front seating area. On a Touareg, both valves operate independently, so a failure in the rear valve will not affect front heating. Replacement of the correct valve is essential for proper system function.

Is this a Genuine OEM part, and why does that matter?

Yes, the 7PP819810A is a Genuine OEM Volkswagen component manufactured to factory specifications. OEM parts carry the manufacturer's warranty, ensure perfect fitment, and are engineered to match your Touareg's cooling system chemistry and operating pressures. This eliminates compatibility risks and provides long-term reliability that aftermarket alternatives may not guarantee.

Will I need to drain the coolant to replace the rear heater control valve?

In most cases, yes. The valve connects directly to the coolant circuit, so partial or full system drain is typically required depending on the valve's location and how your technician approaches the job. Consult your service manual or a professional technician to determine the exact procedure and coolant volume needed for your specific model year.

How long does a heater control valve typically last on a Touareg?

Heater control valves are designed to last the life of the vehicle under normal conditions, but they can fail prematurely due to coolant contamination, mineral buildup, or age-related seal degradation. Regular coolant flushes and maintaining proper coolant levels help extend valve life. If your Touareg is over 10 years old or has high mileage, valve inspection during routine service is recommended.

Can I replace just the rear valve, or should I replace both front and rear valves at the same time?

You can replace just the rear valve if only the rear heating is affected. However, if both front and rear heating are failing or if the front valve shows signs of age or leakage, replacing both at the same time makes sense to avoid a second cooling system service in the near future. Your technician can assess the condition of both valves during inspection.

Order Genuine OEM 7PP819810A today. In-stock orders ship same or next business day from our U.S. warehouse, and our fitment team is one call away if you need help confirming the right part for your Volkswagen Touareg.

Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.