In fact, we celebrated our 40th anniversary in 2021! This is a complete brake master cylinder kit with all internal parts. This is the kit for the original 003 430 59 01 and 003 430 60 01 master cylinders.
This product would be ideal for mechanics and DIY enthusiasts working on cars with a 1976-85 Mercedes model, specifically using a part number of 002 586 22 43.
