Dorman M39012 Master Cylinder

In stock
SKU: 591|M39012
Regular price $77.20

Product details

  • SKU 591|M39012
  • Barcode 82702394861

Product Description

This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement.

  • Precise replacement - cylinder housing is constructed to match the casting material of the original part and ensure similar performance
  • Durable design - all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
  • 100% new - made entirely of new materials, not remanufactured, to ensure highest quality and safety
  • Strict specifications - made to meet rigorous SAE International standards

Detailed Applications

Year Make Model Configuration Positions Application Notes
1987 Dodge B350 Power Brakes School Bus; Bore: 1.3125 In.
1986 Dodge B350 Power Brakes School Bus; Bore: 1.3125 In.
1985 Dodge B350 Power Brakes School Bus; Bore: 1.3125 In.
1984 Dodge B350 Power Brakes School Bus; Bore: 1.3125 In.
1983 Dodge B350 Power Brakes School Bus; Bore: 1.3125 In.
1983 Plymouth PB350 Power Brakes School Bus; Bore: 1.3125 In.
1982 Dodge B350 Power Brakes School Bus; Bore: 1.3125 In.
1982 Plymouth PB350 Power Brakes School Bus; Bore: 1.3125 In.
1976 Chevrolet P30 Power Brakes 12,000 to 14,000 Lb. GVW; Bore: 1.3125 In.; wo/Motorhome Chassis
1976 Chevrolet P30 Power Brakes 14,000 Lb. GVW; Bore: 1.3125 In.; w/Motorhome Chassis
1976 GMC P35 Power Brakes 12,000 to 14,000 Lb. GVW; Bore: 1.3125 In.; wo/Motorhome Chassis
1976 GMC P35 Power Brakes 14,000 Lb. GVW; Bore: 1.3125 In.; w/Motorhome Chassis
1975 Chevrolet P30 Power Brakes 12,000 to 14,000 Lb. GVW; Bore: 1.3125 In.; wo/Motorhome Chassis
1975 Chevrolet P30 Power Brakes 14,000 Lb. GVW; Bore: 1.3125 In.; w/Motorhome Chassis
1975 GMC P35 Power Brakes 12,000 to 14,000 Lb. GVW; Bore: 1.3125 In.; wo/Motorhome Chassis
1975 GMC P35 Power Brakes 14,000 Lb. GVW; Bore: 1.3125 In.; w/Motorhome Chassis
1974 Chevrolet P30 Van 12,000 to 14,000 Lb. GVW; Bore: 1.3125 In.; w/Power Brakes; wo/Motorhome Chassis
1974 Chevrolet P30 Van 14,000 Lb. GVW; Bore: 1.3125 In.; w/Power Brakes; w/Motorhome Chassis
1974 GMC P35/P3500 Van 12,000 to 14,000 Lb. GVW; Bore: 1.3125 In.; w/Power Brakes; wo/Motorhome Chassis
1974 GMC P35/P3500 Van 14,000 Lb. GVW; Bore: 1.3125 In.; w/Power Brakes; w/Motorhome Chassis
1973 Chevrolet P30 Van 14,000 Lb. GVW; Bore: 1.3125 In.; w/Power Brakes; w/Motorhome Chassis
1973 Dodge M300 Bore: 1.3125 In.; From 11/01/72; w/Power Brakes
1973 GMC P35/P3500 Van 14,000 Lb. GVW; Bore: 1.3125 In.; w/Power Brakes; w/Motorhome Chassis

Product Specifications

Master Cylinder Bore Diameter: 1.313 in
Master Cylinder Material: Cast Iron
Mounting Hardware Included: No
Number of Outlets: 2
Package Contents: Master Cylinder
Package Quantity: 1
Packaging Type: Box
Reservoir Included: Yes
Secondary Outlet Thread Diameter: 1/2-20
Sensor Included: No

OE Numbers

DIRECT OE CROSS
4031345 CHRYSLER
6259173 GENERAL MOTORS

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