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IDParts has put together a complete service kit for a thermostat replacement on 1999-2003 Mk. IV TDIs. Often times, the thermostat housing breaks upon removal of the thermostat, or a bolt gets lost or stripped. This kit solves that problem and includes everything you need to successfully replace the thermostat:

  • Thermostat w/ OEM style locking tabs (makes installation MUCH MUCH easier)
  • Thermostat Housing
  • Thermostat Housing O-Ring Seal
  • 2 Thermostat to Block Bolts

Coolant is available as an add-on below.  If you properly lock in the thermostat to the housing you should lose less than a quart of coolant.  

  Select Vehicle to Check Fitment
In Stock
  Name Price Select
Rowe G13 Coolant 1 Gallon Rowe G13 Coolant 1 Gallon $20.95
  • Golf TDI MkIV (A4 chassis) w/ ALH Engine (1999-2003)
  • Jetta TDI MkIV (A4 chassis) w/ ALH Engine (1999-2003)
  • Jetta Wagon TDI (A4 chassis) w/ ALH Engine (2002-2003)
  • New Beetle TDI (A4 chassis) w/ ALH Engine (1998-2003)
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.

Warm again Yay ...


Frequently Asked Questions

The thermostat is available individually:
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