Dorman Brake Master Cylinder

SKU: 1GJ3U | MPN:  M39309
Only 47 units left
Sale price$104.39 USD

Application Summary: Chevrolet 1996-76, GMC 1996-76

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

Product Specifications

Bore Diameter:34 mm

Forward Outlet Size:1/2-20

Installation Hardware Included:No

Material:Cast Iron

Number of Outlets:2

Package Contents:Master Cylinder

Package Quantity:1

Packaging Type:Box

Rearward Outlet Size:9/16-18

Reservoir Included:Yes

Sensor Included:No



Vehicle Fitments:

Year Make Model Submodel
1991 Chevrolet C3500 Scottsdale, Cheyenne, Silverado
1983 - 1984 Chevrolet G30 Bonaventure
1976 - 1996 Chevrolet G30 Chevy Van, Beauville, Hi-Cube, Sportvan
1977 - 1996 Chevrolet P30 Base
1977 - 1990 Chevrolet P30 Step-Van
1991 GMC C3500 Sierra SLE, Sierra SLX, Sierra
1991 GMC C3500HD Base
1976 - 1978 GMC G35 Vandura, Rally Camper Special, Rally STX, Magnavan, Rally, Vandura Special
1979 - 1996 GMC G3500 Magnavan, Rally STX, Rally Camper Special, Vandura, Vandura Special, Rally
1981 - 1988 GMC G3500 Rally Custom
1977 - 1978 GMC P35 Base, Value Van
1979 - 1996 GMC P3500 Base
1979 - 1990 GMC P3500 Value Van

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