BRAKE OR CLUTCH MASTER CYLINDER, RESERVOIR PLASTIC CAP

Brake or clutch master cylinder cap as supplied on single line brake cylinders pre 1976 and all clutch master cylinders.

It doesn't often break or wear out but it gets lost or turns Yellow. The early steel master cylinder reservoir caps had a tendency to rust on, so this White plastic cap could be considered an upgrade unless you wish to keep your pre 1963 car original with the metal cap.

Part number for reference: 513123A