Thermostat / water calorstat - cooling system - Audi A6 (C4)

For A6 (C4):
- 1.9 TDi 90 hp (1Z, AHU)
- 2.0 101 hp, 107hp and 115 hp (AAE, ADW, ABK, ACE)

For A6 (C5):
- 1.9 TDi 90 hp(1Z, AHU)
- 1.9 TDi 110 hp (AFN, AVG)
- 1.9 TDi 115 hp (AJM)
- 1.9 TDi 130 hp (AVF, AWX)

Thermostat on coolant pump
opens: 87 °C
closes: 102 °C

For A6 (C4):
- 1.8 125 hp (ADR)

For A6 (C5):
- 1.8 125 hp (AJP, AQE, ARH)
- 1.8 150 hp Turbo (AEB, ANB, APU, ARK, AWL, AWT)
- 1.8 180 hp Turbo (AJL)

Thermostat on coolant pump

Dimensions: 60 x 3.5 mm

For A6 (C4):
- 2.4 150 hp (AFM)
- 2.6 139 hp and150 hp (ACZ, ABC)
- 2.8 174 hp (AAH)
- 2.8 193 hp (ACK)

For A6 (C5):
- 2.5 TDi 150 hp and 155 hp (AFB, AKN, AYM)
- 2.5 TDi 163 hp (BCZ, BDG)
- 2.5 TDi 180 hp (AKE, BAU, BDH)
- 2.7 Turbo 230 hp (AJK)
- 2.7 Turbo 250 hp (ARE)