Send hydraulic pressure to your brakes with every press of the pedal using the Dorman First Stop Brake Master Cylinder M39970, a new aluminum unit with its reservoir and sensor included. It fits many vehicles, among them the 1991-1997 Honda Accord, 1995-1997 Honda Odyssey and 1992-1996 Honda Prelude, as a direct-fit replacement for the listed applications. See the Buyer's Guide tab for the full list.
Dorman precision-engineers it to match the original master cylinder's design, function and performance on the listed applications.
- Precise replacement: the cylinder housing is constructed to match the casting material of the original part, for similar performance.
- Durable design: every rubber component is made of a high-quality EPDM compound that resists glycol-based brake fluid.
- 100% new: built entirely from new materials for quality and safety.
- Strict specifications: made to meet rigorous SAE International standards.
Specifications: aluminum material, 1 in bore diameter, two outlets, M12 x 1.0 rearward outlet, M10 x 1.0 secondary outlet thread and 1 mm primary outlet thread pitch. 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.
A soft or sinking pedal, fluid leaking around the unit, or a steadily dropping fluid level may signal a worn master cylinder. Other brake parts can cause the same symptoms, so diagnose the cause first. After installation, bleed the brake system as directed by the service procedure.
