Dorman M39077 Master Cylinder

In stock
SKU: 591|M39077
Regular price $46.00

Product details

  • SKU 591|M39077
  • Barcode 82702397510

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
1980 Checker Marathon Power Brakes Bore: 1.125 In.
1980 Chevrolet G10 Power Brakes 11.15 In. x 2.75 In. Rear Brakes; Bore: 1.125 In.
1980 Chevrolet G20 Power Brakes Bore: 1.125 In.
1980 Chevrolet P10 Power Brakes Bore: 1.125 In.
1980 GMC G1500 Power Brakes 11.15 In. x 2.75 In. Rear Brakes; Bore: 1.125 In.
1980 GMC G2500 Power Brakes Bore: 1.125 In.
1980 GMC P1500 Power Brakes Bore: 1.125 In.
1979 Chevrolet G10 Power Brakes 11.15 In. x 2.75 In. Rear Brakes; Bore: 1.125 In.
1979 Chevrolet G20 Power Brakes Bore: 1.125 In.
1979 Chevrolet P10 Power Brakes Bore: 1.125 In.
1979 GMC G1500 Power Brakes 11.15 In. x 2.75 In. Rear Brakes; Bore: 1.125 In.
1979 GMC G2500 Power Brakes Bore: 1.125 In.
1979 GMC P1500 Power Brakes Bore: 1.125 In.
1978 Chevrolet G10 Power Brakes 11.15 In. x 2.75 In. Brakes
1978 Chevrolet G20 Power Brakes Bore: 1.125 In.
1978 Chevrolet P10 Power Brakes Bore: 1.125 In.
1978 GMC G15 Power Brakes 11.15 In. x 2.75 In. Brakes
1978 GMC G25 Power Brakes Bore: 1.125 In.
1978 GMC P15 Power Brakes Bore: 1.125 In.
1977 Chevrolet G20 Power Brakes Bore: 1.125 In.
1977 Chevrolet P10 Power Brakes Bore: 1.125 In.
1977 GMC G25 Power Brakes Bore: 1.125 In.
1977 GMC P15 Power Brakes Bore: 1.125 In.
1976 Chevrolet G20 Power Brakes Bore: 1.125 In.
1976 Chevrolet P10 Power Brakes Bore: 1.125 In.
1976 GMC G25 Power Brakes Bore: 1.125 In.
1976 GMC P15 Power Brakes Bore: 1.125 In.
1975 Chevrolet G20 Power Brakes Bore: 1.125 In.
1975 Chevrolet P10 Power Brakes Bore: 1.125 In.
1975 GMC G25 Power Brakes Bore: 1.125 In.
1975 GMC P15 Power Brakes Bore: 1.125 In.
1974 Chevrolet G20 Van Bore: 1.125 In.; w/Power Brakes
1974 Chevrolet P10 Van Bore: 1.125 In.; w/Power Brakes
1974 GMC G25/G2500 Van Bore: 1.125 In.; w/Power Brakes
1974 GMC P15/P1500 Van Bore: 1.125 In.; w/Power Brakes

Product Specifications

Master Cylinder Bore Diameter: 1.125 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
18001007 GENERAL MOTORS
18002455 GENERAL MOTORS
18005250 GENERAL MOTORS
18009462 GENERAL MOTORS
2621565 GENERAL MOTORS

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