Thermostat Replacement Kit (A3 AHU)(B4 1Z)

IDParts Expert KitIDParts Expert Kit

OEM Number: 037121121A Manufacturer Number: 044121113

$24.95

Thermostat Replacement Kit (A3 AHU)(B4 1Z) Picture 1

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Thermostat replacement kit for AHU/1Z engines complete with new thermostat, housing, and seal.

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Product Description Manufacturer Info Vehicle Applications

IDParts has put together a complete service kit for a thermostat replacement on A3 Jetta TDI and B4 Passat TDI, AHU and 1Z engine codes. This kit includes everything you need to successfully replace the thermostat:

  • Thermostat
  • Thermostat Housing
  • Thermostat Elbow Seal

Coolant is available as an add-on below.  

IDParts Expert Kits are made for the expert DIY'er or professional. Containing all the parts needed to get the job done, these kits are custom assembled by IDParts using the highest quality components from manufacturers around the world.
Volkswagen
  • Jetta TDI MkIII (A3 chassis) w/ AHU Engine (1997-1999)
  • Passat TDI (B4 chassis) w/ AHU/1Z Engine (1996-1997)

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