Dorman - First Stop Brake Master Cylinder P/N:M630792
Turn every push of the brake pedal into the hydraulic pressure that operates the braking system with the Dorman - First Stop Brake Master Cylinder M39720. It drops in as a direct-fit replacement for the 1988-1993 Ford Festiva [All], and is precision-engineered to match the design, function, and performance of the original master cylinder for the listed application.
This master cylinder has two outlets with M10 x 1.0 secondary/rearward outlet threading (1 mm pitch) and a 0.75 in bore. The reservoir and sensor are included; mounting hardware is not — consult the vehicle service information for the correct fasteners and whether they may be reused. If a failed master cylinder is the cause of a sinking or spongy pedal, this unit replaces it; diagnose the cause before replacing. Country of origin: Taiwan.
Interchange: 18M400 · 83-14700 · 8314700 · M900607 · 100-1971 · 1001971 · M-53700 · M53700 · 072-8485 · 0728485 · 12392 · 13-2387 · 132387 · 11-2387 · 112387 · 130.50000 · MC116690 · 355-54005 · 35554005 · E8BZ2140A · M52387 · NM52387 · MC39720 · F116690
Manufacturer part number M39720
This part cross-references / interchanges with the following part numbers:
What is the Dorman M39720?
It is a 100% new brake master cylinder that converts brake pedal force into hydraulic pressure for the braking system. It fits the 1988-1993 Ford Festiva [All].
Does it include a reservoir and sensor?
Yes — both the reservoir and the sensor are included per the catalog. Mounting hardware is not included.
What is the master cylinder made of?
The cylinder housing is cast iron, constructed to match the original part's casting material, and all rubber components use a high-quality EPDM compound for resistance to glycol-based brake fluid.
What are the outlet and bore specs?
It has two outlets with M10 x 1.0 secondary/rearward outlet threading (1 mm pitch) and a 0.75 in bore diameter.
How do I know if my master cylinder needs replacing?
Signs may include a sinking or spongy brake pedal or reduced braking. Diagnose the cause first; if the master cylinder is at fault, this unit replaces it.
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.