Dorman M39578 Brake Master Cylinder Compatible with Select Chevrolet/GMC Models

This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet Astro: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993] - [Chevrolet G10: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995] - [Chevrolet G20: 1978, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995] - [Chevrolet P20: 1985, 1986, 1987, 1988, 1989] - [GMC G1500: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995] - [GMC G2500: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995] - [GMC P2500: 1985, 1986, 1987, 1988, 1989] - [GMC Safari: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993]

• Precise replacement - cylinder housing is constructed to match the casting material of the original part and ensure similar performance
• Durable design - all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
• 100% new - made entirely of new materials, not remanufactured, to ensure highest quality and safety
• Strict specifications - made to meet rigorous SAE International standards
• Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool