CLASSIC MINI BRAKE MASTER CYLINDER SERVO TYPE 1988> GMC90376 COOPER GMC242 3G4

Fitted from 1988 on, this master cylinder uses a built in servo. 

This master cylinder was used right up to the last production twin point vehicles from Rover. Bore size is 20.6mm (.811″) 

Ensure the correct DOT4 or DOT5.1 brake fluid is used as these cylinders are not designed to use anything else such as Castrol SRF for racing or any mineral fluid. 

Part number for reference: GMC90376 (GMC242).