Will this Heater Core Valve (Rear) from GoWesty fit my Vanagon, and how do I verify compatibility?

Absolutely! This metal rear heater core valve is designed specifically as a direct replacement for the often-leaky factory plastic valve on Vanagons. It fits all 1986-1991 Vanagon models, including both automatic and manual transmissions. To double-check fitment for your Vanagon, look at your current rear heater valve: if your van is a 1986-1991 and has the original rear heater box, this valve will bolt right in. If you’re unsure, GoWesty’s customer support is happy to help you verify compatibility.

How does this GoWesty valve compare to my original plastic valve in terms of durability and leak prevention?

The GoWesty Heater Core Valve (Rear) is a significant upgrade over the OEM plastic valve. Made from all-metal construction, it addresses the common problems of cracking and leaking that plague the original. Customers consistently praise the robust build and increased peace of mind, noting a dramatic reduction in leaks and failures. Plus, the valve comes pre-assembled with all the necessary hardware, making installation easier and further reducing risk of future leaks.

Are there any installation tips for ensuring a proper fit, and what should I look out for during assembly?

For a hassle-free installation, start by completely draining your Vanagon's cooling system to prevent spills. The metal valve from GoWesty is designed to bolt straight into the factory location, using the provided hardware. Make sure to test-fit everything before tightening connections. Double-check hose orientation, and securely fasten all clamps. Before fully reassembling the rear interior, refill the system and check for leaks by running the engine and cycling the heater valve. If you encounter any issues or have concerns, GoWesty’s support team is just a call away.

What makes this rear heater valve a better value over cheaper options or universal valves?

This GoWesty-specific rear heater valve is designed just for 1986-1991 Vanagons, so you’re getting a part engineered for exact fit and maximum reliability—not a generic 'will fit' option. The all-metal construction eliminates the worries about plastic cracking, and because it comes pre-assembled with fresh hardware, you save time and avoid headaches during install. Reviews frequently mention how much easier this is compared to trying to cobble together a fix with universal parts. Your investment is protected and supported by GoWesty’s quality guarantee and customer service.

I’ve heard about leaks and fitment issues with other rear heater valves—how does this GoWesty part address those concerns?

GoWesty listened to Vanagon owners’ frustrations with leaky, brittle rear heater valves and designed their version to solve those exact problems. The all-metal design is far less prone to fatigue or failure than the original plastic. Each valve is pre-assembled, which means fewer points of potential failure during installation. Many reviewers emphasize the excellent fit and long-term durability. If you ever have an issue or just want advice during installation, GoWesty’s responsive support team is ready to help ensure everything works perfectly in your Vanagon.

Rear heater core valve on white background

Rear heater core valve installed on rear heater core

Thumbnail of Rear heater core valve on white background

Thumbnail of Rear heater core valve installed on rear heater core

Valve de noyau de chauffage arrière GoWesty

Product:	GVW-867-819-809
Works With:	1982-1991
Manufacturer:	GoWesty
Restock ETA:
Availability:
Wrench Rating:	Requires some hand & power tools and minimal mechanical knowledge.

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Proposition 65: This product may contain chemicals known to the state of California to cause cancer, birth defects, or other reproductive harm.

Cette valve de chauffage arrière fabriquée par GoWesty offre une solution plus durable à la pièce en plastique d'origine (et qui n'est plus disponible). Remplacement direct sur tous les Vanagons refroidis à l'eau. Veuillez consulter des photos supplémentaires pour plus d'informations sur l'emplacement.

Livré pré-assemblé avec tout le matériel nécessaire et le joint torique.

Vous souhaitez mettre à jour votre ancien radiateur de chauffage arrière en même temps ? Cliquez ici .

Noyau De Chauffage Et Ventilateur - Arrière

Reference numbers can be OE part numbers, superseded part numbers, and compatible part numbers. We provide this information to help ensure you're getting the right part for your needs.