Convert brake-pedal effort into the hydraulic pressure that feeds both brake circuits with the Dorman First Stop Brake Master Cylinder M39736. It installs as a direct-fit replacement for the 1987-1993 Dodge Daytona, 1989-1995 Chrysler LeBaron, 1989-1990 and 1994 Dodge Shadow, 1989-1990 and 1994 Plymouth Sundance, 1990-1995 Dodge Spirit, and 1990-1995 Plymouth Acclaim (all engines), engineered to match the design, function, and performance of the original unit on those applications.
Specifications: 0.875 in bore diameter, 2 outlets, and a 3/8-24 in secondary outlet thread. The reservoir is included; a sensor and mounting hardware are not — consult the vehicle service information for the correct fasteners and whether they may be reused. Signs this part may need replacing include a slowly sinking or spongy brake pedal and external brake-fluid seepage at the cylinder; diagnose the cause before replacing. Country of origin: China.
Interchange: 18M408 · M900615 · 100-2393 · 1002393 · 12319 · 12452 · 13-2412 · 132412 · 10-2412 · 102412 · 130.63030 · 131.63030 · 4294514 · 4294865 · 4485301 · 4485312 · 4509082 · 4509387 · 4721573 · MC115580 · 355-39009 · 35539009 · M2412 · NM2412 · 2539736 · MC39736 · F115580 · Manufacturer part number M39736.
This part cross-references / interchanges with the following part numbers:
What does this master cylinder do?
It converts the force from your brake pedal into the hydraulic pressure that operates the brake circuits. If a failed master cylinder is the cause of a sinking or spongy pedal, this replaces it.
Which vehicles does the M39736 fit?
It's a direct-fit replacement for the 1987-1993 Dodge Daytona, 1989-1995 Chrysler LeBaron, 1989-1990 and 1994 Dodge Shadow, 1989-1990 and 1994 Plymouth Sundance, 1990-1995 Dodge Spirit, and 1990-1995 Plymouth Acclaim.
Is the reservoir included?
Yes. The reservoir is included with this master cylinder. A sensor and mounting hardware are not included.
What are the bore size and outlet details?
It has a 0.875 in bore diameter, 2 outlets, and a 3/8-24 in secondary outlet thread. It is made of aluminum.
What are signs this master cylinder may need replacing?
A brake pedal that slowly sinks under steady pressure, a spongy pedal, or external brake-fluid seepage at the cylinder. Diagnose the cause before replacing, as these signs can have other causes.
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.