Thermostat & Related

This durable stainless steel double coolant pipe sits above the transmission / engine seam on Syncro vans.Ref ID: 251121064SS Shop by Diagram Hover over the icon and click to get the detail.  

VW manufactured these components out of plastic and they are prone to failure. This is our stainless steel version of the plastic distribution. Drive with confidence knowing your stainless steel distribution junction will not fail! Ref ID:...

Plastic distribution junction for Syncro only. If you would like the beefier stainless steel version we offer that as well. Ref ID: 251121442A Shop by Diagram Hover over the icon and click to get the detail.  

The diesel cylinder head coolant flange can become corroded over time.  This good quality replacement comes complete with o-ring. Fits diesel Vanagons 1980-89. Ref ID: 068121145K

Brand new Syncro thermostat housing. Can be used on 2.1Ltr 2wd by using our Aluminum Housing Upgrade Kit. Ref ID: 025121117E Shop by Diagram Hover over the icon and click to get the detail.  

This is the stock thermostat value that the Vanagon originally came with. Includes the sealing o-ring that we prefer. One per Van Sold individually Opens at 87 degrees Celcius. This is nice in colder weather since it will allow the Van to heat up more...

This silicone hose kit comes with the appropriate clamps. and will fit all 1.5" stainless steel coolant pipes. One kit will do both the feed and return pipes. 6" long.

Wahler was the original supplier of thermostats to Volkswagen and is our preferred brand. Lower temp thermostat value for that added margin of safety. It opens at 80 degrees Celcius. This is nice in hotter weather, or if you find yourself in stop-and-go...

Water pump pulley bolt.  There are three of these that hold the pulley to the water pump on WBX 1.9L and 2.1L motors. M8 x 1.25 x 16 Sold individually.

This bolt is used in two very different applications in the Vanagon: In Syncros it secures the inner cv joint on the front axle to the differential. In 2.1L 2WD vans it serves as the upper bolt in the thermostat housing. in Syncros it serves as both the...