Thermostat & Related

1.9Ltr upper thermostat housing. Please click here for the lower housing and guard, of if you need a new thermostat. Ref ID: 025121117C or 025121117D Shop by Diagram Hover over the icon and click to get the detail.  

Original 1.9-liter bleeder valve housings were made of plastic - became brittle with age and prone to breaking and leaking. We are pleased to be offering an aluminum version that will outlast the van. Please note that there are two small outlets for...

Aluminum 1.9Ltr lower thermostat housing. Please click here for the guard, o-ring, thermostat, or the upper housing. Ref ID: 025121121A Shop by Diagram Hover over the icon and click to get the detail.  

Plastic junction with bleeder valve for 1.9ltr Vanagon with a manual transmission. Fits from chassis number D-089699 thru 1985. This one DOES NOT fit automatic or very early 83.5 models. However, this is a cheaper alternative to our custom aluminum...

Stainless steel reproduction crossover pipe for 1.9ltr motors. Bolts to cylinder head # 2 (right hand side) and goes to the thermostat housing. Includes o-ring and gasket. Ref ID: 025121180ASS Shop by Diagram Hover over the icon and click to get the...

Diesel cylinder head coolant flange.  Comes complete with o-ring. Fits diesel Vanagons 1980-89. Ref ID: 068121145K

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.

Lower thermostat housing guard plate for 1.9ltr. Please click here for the lower housing.  Ref ID: 025121148 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...

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...

As the title states, this gasket seals the flanged outlet to the thermostat housing on 1.9 engines.Ref ID: 025121127C Shop by Diagram Hover over the icon and click to get the detail.  

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.