Raybestos CMA350042 Clutch Master Cylinder

Raybestos CMA350042 Clutch Master Cylinder is a direct‑fit hydraulic master cylinder for GM trucks with manual transmissions from 1991 to 1995. It features a 17.7 mm bore, a key specification that influences clutch pedal feel and hydraulic travel, and is designed to replace the factory unit in the clutch hydraulic circuit. This CMA350042 component is intended for Chevrolet and GMC light‑duty pickups and related GM trucks from the early 1990s, helping restore smooth clutch engagement by translating pedal movement into hydraulic pressure that disengages the clutch. As a Raybestos product, it serves as a trusted replacement option within the brand’s line of clutch and brake components.