Dorman - First Stop Brake Master Cylinder P/N:M73323
Turn pedal effort into hydraulic brake pressure with the Dorman First Stop Brake Master Cylinder M39862. It is a direct-fit replacement for many vehicles, among them the 1995-1997 Dodge B1500, 1995-1997 Dodge B2500 and 1995-1997 Dodge B3500; see the Buyer's Guide tab for the full list. Precision-engineered to match the original master cylinder's design, function and performance on these applications, it is built from new, high-quality materials to serve as a safe, durable replacement.
This master cylinder has a 1.125-inch bore and two outlets, with a 1/2-20 rearward outlet. The reservoir is included. Mounting hardware and a sensor are not included, so consult the vehicle service information for the correct fasteners and whether the originals may be reused. The package contains one master cylinder, and each listed application uses one. Country of origin: China.
Signs this part may need replacing include a soft or sinking brake pedal, brake fluid leaking at the master cylinder, or a fluid level that keeps dropping. Diagnose the cause before replacing, because lines, calipers or wheel cylinders can produce similar symptoms.
Interchange: 783-40005 · 83-40005 · 100-2657 · M-87005 · 13-2539 · 10-2539 · 130.67005 · 131.67005 · 355-40051
18M472 · M900679 · 12519 · 52004620 · 52009830AA · MC123524 · MC123524A · M2160 · NM2160 · MC39862 · F123524 · F134438 · MC134438 · 78340005 · 8340005 · 1002657 · M87005 · 132539 · 102539 · 13067005 · 13167005 · 35540051
This part cross-references / interchanges with the following part numbers:
Which vehicles does the Dorman M39862 fit?
It fits many vehicles, among them the 1995-1997 Dodge B1500, 1995-1997 Dodge B2500 and 1995-1997 Dodge B3500. See the Buyer's Guide tab for the full list.
Does this master cylinder come with a reservoir?
Yes, the reservoir is included. Mounting hardware and a sensor are not included, so check the vehicle service information for the correct fasteners and whether the originals may be reused.
What are the bore size and outlet configuration?
The master cylinder has a 1.125-inch bore and two outlets, including a 1/2-20 rearward outlet.
What are the housing and rubber components made of?
The cylinder housing is aluminum. All rubber components are made of a high-quality EPDM compound that resists glycol-based brake fluid.
What signs suggest the master cylinder may need replacing?
Watch for a soft or sinking pedal, fluid leaking at the master cylinder, or a steadily dropping fluid level. Diagnose first, because other brake components can cause similar symptoms.
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.