Convert brake-pedal pressure into the hydraulic force that applies the brakes with the Dorman First Stop Brake Master Cylinder M39653. It's a direct-fit replacement for the 1986-1989 Acura Integra, the 1986-1989 Honda Accord, and the 1985-1987 Honda Prelude (all engines), engineered to mirror the original unit's design, function, and performance on the applications it fits.
This master cylinder has a 0.875 in bore and two outlets, both with an M10 x 1.0 thread. It ships with the reservoir and sensor included; mounting hardware is not included, so consult the vehicle service information for the correct fasteners and whether they may be reused. If a worn or leaking master cylinder is the cause of a sinking or spongy pedal, this replaces it. Country of origin: China.
Manufacturer part number M39653.
What does a brake master cylinder do?
It converts the force from your brake pedal into hydraulic pressure that travels through the brake lines to apply the brakes at each wheel.
Which vehicles does the M39653 fit?
It's a direct-fit replacement for the 1986-1989 Acura Integra, 1986-1989 Honda Accord, and 1985-1987 Honda Prelude (all engines). See the Buyer's Guide tab to confirm your vehicle.
Does it include a reservoir and sensor?
Yes. Per the catalog, both the reservoir and sensor are included with this master cylinder.
Is mounting hardware included?
No. Mounting hardware is not included. Consult the vehicle service information for the correct fasteners and whether they may be reused.
Is this unit new or remanufactured?
It is 100% new, made entirely of new materials rather than remanufactured, and is built to meet SAE International standards.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.