Detail Graf (PA618A) Water Pump Suits A4 & A6 models Chassis number 4A-S-026715 on Suits Audi 80 models Chassis number 8C-S-025821 onW/PUMP AUDI/VW ABC/ACK/AGA/BDVV6 2.4/2.8L Audi 100 with a ACZ engine.