I have 1988 Audi 100 2.3E Avant (the same as 1989 model in US), and I need to replace brake master cylinder. I downloaded ETKA, and tried to find part number, but there are more than one option (what I listed here is from the on-line catalog at
tandem master cylinder / F >> 44-J-300 000
22,2X19/17 lhd / 4-,5-cyl. (1) 443611019Atandem master cylinder / F >> 44-J-300 000
22,2MM GIRLING lhd / (1) 893611021Btandem master cylinder / for heavy-duty brakes / F >> 44-J-300 000
23,81X19/17 lhd / 5-cylinder (1) 893611021tandem master cylinder / for heavy-duty brakes
23,81X17,5/18 ATE / 5-cylinder (1) 441611021Atandem master cylinder / for heavy-duty brakes / for models with heavy-duty running gear 25,40X17,5/18 / CS:AVANT, LIMOUSINE, TURBO
3 N 90074401How do I know which one do I need? I do not have the original one to check for part number on it. Do I need 22,2X19/17, 23,81X19/17,
23,81X17,5/18 or 25,40X17,5/18 cylinder?With my BMW i just enter my VIN, and I get the correct part number, can you do the same with Audi ETKA?