JavaScript seems to be disabled in your browser.

You must have JavaScript enabled in your browser to utilize the functionality of this website. Click here for instructions on enabling javascript in your browser.

Thermostat housing for A4 chassis TDIs, (ALH). This housing gets brittle with age and often breaks when removing to access the thermostat. Includes o-ring.


The bolts that secure this flange to the block are one use only. Replace when replacing or removing flange.

For 2004-2005 Golf, Jetta and New Beetle TDI, the BEW flange is here.

Available Options:

  Hardware (+$3.25)

  Name Price Select
Thermostat (A4)(A3)(B4)(B5.5) Thermostat (A4)(A3)(B4)(B5.5) $18.95
Thermostat [OEM](A4)(A3)(B4) Thermostat [OEM](A4)(A3)(B4) $49.95
In Stock
Volkswagen
  • Golf TDI MkIV (A4 chassis) w/ ALH Engine (1999-2003)
  • Jetta TDI MkIV (A4 chassis) w/ ALH Engine (1999-2003)
  • New Beetle TDI (A4 chassis) w/ ALH Engine (1998-2003)

Customers who bought this product also purchased