Quick coupler to connect the water hose to the heating radiator for Golf 4

For Golf 4 and Bora:
- 1.4 75hp (AHW, AKQ, APE, AXP, BCA)
- 1.6 100hp and 102hp (APF, AVU, BFQ)
- 1.6 105hp (ATN, AUS, AZD, BCB)
- 1.8 Turbo 150hp (AGU, AUM) from 05/01->
- 1.8 Turbo 180hp (AUQ)
- 1.9 SDi 68hp (AGP, AQM)
- 1.9 TDi 90hp (AGR, ALH)
- 1.9 TDi 100hp (ATD, AXR)
- 1.9 TDi 110hp (AHF)
- 1.9 TDi 115hp (AJM, AUY)
- 1.9 TDi 130hp and 150hp (ASZ, ARL)
- 2.3 170hp (AQN) with automatic gearbox only
- 2.8 204hp (AQP, AUE, BDE)