Dorman - First Stop Brake Master Cylinder P/N:M39970

Convert brake-pedal force into the hydraulic pressure that operates the brake circuits with the Dorman – First Stop Brake Master Cylinder (M39970). It drops in as a direct-fit replacement for the 1991-1997 Honda Accord, 1992-1994 Acura Vigor, 1992-1996 Honda Prelude, 1995-1996 Acura TL, 1995-1997 Honda Odyssey, 1996-1997 Isuzu Oasis, and 1997 Acura CL (All engines), engineered to match the design, function, and performance of the original master cylinder on the listed applications.

• 100% new: built entirely from new materials — not remanufactured.
• Precise replacement: the aluminum cylinder housing is constructed to match the casting material of the original part for similar performance.
• Durable design: rubber components are made from a high-quality EPDM compound for resistance to glycol-based brake fluid.
• Strict specifications: made to meet rigorous SAE International standards.

It has a 1-inch bore diameter and two outlets — a rearward outlet sized M12 x 1.0 and a secondary outlet thread of M10 x 1.0. The reservoir and sensor are included; mounting hardware is not included, so consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: China.

Manufacturer part number M39970.