50 or 55 mm diameter for AUDI front cartridge

Helpful for AUDI 80 (B4), 90 (B3), Cabrio (8G7), Coupé (8B), Quattro (85)

When choosing the front cartridges, please note that it is for
Your model may have 2 different finishes:
Cartridges for 50 or 55 mm standpipe diameter.
Above you can see where is measured.
The cartridge itself then has the following diameter:
- with standpipe 50 mm = approx. 44,5 mm
- with standpipe 55 mm = approx. 49,5 mm