Brake Master Cylinder for 1986-1993 Dodge D250 & More - Dorman M39712

Turn pedal effort into hydraulic pressure for your truck's brakes with the Dorman First Stop Brake Master Cylinder M39712. It is a direct-fit replacement for many vehicles, among them the 1986-1993 Dodge D250, 1984-1993 Dodge D350 and 1981-1993 Dodge W250; see the Buyer's Guide tab for the full list. It is engineered with precision to mirror the design, function and performance of the original master cylinder.

• Precise replacement: The cast iron cylinder housing is built to match the casting material of the original part for similar performance.
• Durable design: Every rubber component uses a high-quality EPDM compound that resists glycol-based brake fluid.
• 100% new: Made entirely of new, high-quality materials for a safe, durable replacement.
• Strict specifications: Made to meet rigorous SAE International standards.

Specifications: 1.125-inch bore diameter · 2 outlets · 1/2-20 rearward outlet size · reservoir included · sensor not included · mounting hardware not included. Country of origin: China.

Signs this part may need replacing include a soft or sinking brake pedal, fluid seeping from the unit, or a reservoir level that keeps dropping. If a failed master cylinder is the cause, this unit replaces it. Diagnose the brake system first, because other components can cause similar symptoms. Mounting hardware is not included, so consult the vehicle service information for the correct fasteners and whether the originals may be reused. Bleed the brake system as the service procedure directs.

Interchange: 783-40006 · 83-40006 · 100-2659 · M-87006 · 13-1775 · 10-1775 · 130.67006 · 131.67006 · 355-40052
18M396 · M900603 · 11775 · 4112654 · MC98896 · 98896 · 98896A · M1775 · NM1775 · MC39712 · F98896 · 78340006 · 8340006 · 1002659 · M87006 · 131775 · 101775 · 13067006 · 13167006 · 35540052