Dorman Products

Dorman M39630 Master Cylinder

In stock
SKU: 591|M39630
$78.50

Product details

  • SKU 591|M39630
  • Barcode 82702399569

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Description

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
1996 Chevrolet G30 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1996 GMC G3500 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1995 Chevrolet G30 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1995 GMC G3500 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1994 Chevrolet G30 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1994 Chevrolet P30 Rear Drum Brakes 8,400 Lb. GVW; Bore: 31.75 mm and 40 mm; wo/Motorhome Chassis
1994 Chevrolet P30 Rear Drum Brakes Forward Control Chassis; Bore: 31.75 mm and 40 mm; w/Motorhome Chassis
1994 GMC G3500 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1994 GMC P3500 Rear Drum Brakes 8,400 Lb. GVW; Bore: 31.75 mm and 40 mm; wo/Motorhome Chassis
1994 GMC P3500 Rear Drum Brakes Forward Control Chassis; Bore: 31.75 mm and 40 mm; w/Motorhome Chassis
1993 Chevrolet G30 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1993 Chevrolet P30 Rear Drum Brakes 8,400 Lb. GVW; Bore: 31.75 mm and 40 mm; wo/Motorhome Chassis
1993 Chevrolet P30 Rear Drum Brakes Forward Control Chassis; Bore: 31.75 mm and 40 mm; w/Motorhome Chassis
1993 GMC G3500 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1993 GMC P3500 Rear Drum Brakes 8,400 Lb. GVW; Bore: 31.75 mm and 40 mm; wo/Motorhome Chassis
1993 GMC P3500 Rear Drum Brakes Forward Control Chassis; Bore: 31.75 mm and 40 mm; w/Motorhome Chassis
1992 Chevrolet G30 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1992 Chevrolet P30 GAS; Rear Drum Brakes 8,200 Lb. GVW; Bore: 31.75 mm and 40 mm; wo/Motorhome Chassis
1992 GMC G3500 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1992 GMC P3500 GAS; Rear Drum Brakes 8,200 Lb. GVW; Bore: 31.75 mm and 40 mm; wo/Motorhome Chassis
1991 Chevrolet G30 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1991 Chevrolet P30 GAS; Rear Drum Brakes 8,200 Lb. GVW; Bore: 31.75 mm and 40 mm; wo/Motorhome Chassis
1991 GMC G3500 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1991 GMC P3500 GAS; Rear Drum Brakes 8,200 Lb. GVW; Bore: 31.75 mm and 40 mm; wo/Motorhome Chassis
1990 Chevrolet G30 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1990 Chevrolet P30 GAS; Rear Drum Brakes 8,200 Lb. GVW; Bore: 31.75 mm and 40 mm; wo/Motorhome Chassis
1990 GMC G3500 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1990 GMC P3500 GAS; Rear Drum Brakes 8,200 Lb. GVW; Bore: 31.75 mm and 40 mm; wo/Motorhome Chassis
1989 Chevrolet G30 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1989 Chevrolet P20 GAS 13 In. x 2.50 In. Brakes; Bore: 31.75 mm and 40 mm
1989 Chevrolet P30 GAS; Rear Drum Brakes 8,200 Lb. GVW; Bore: 31.75 mm and 40 mm; wo/Motorhome Chassis
1989 GMC G3500 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1989 GMC P2500 GAS 13 In. x 2.50 In. Brakes; Bore: 31.75 mm and 40 mm
1989 GMC P3500 GAS; Rear Drum Brakes 8,200 Lb. GVW; Bore: 31.75 mm and 40 mm; wo/Motorhome Chassis
1988 Chevrolet G30 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1988 Chevrolet P20 GAS 13 In. x 2.50 In. Brakes; Bore: 31.75 mm and 40 mm
1988 Chevrolet P30 GAS; Rear Drum Brakes 8,200 Lb. GVW; Bore: 31.75 mm and 40 mm; wo/Motorhome Chassis
1988 GMC G3500 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1988 GMC P2500 GAS 13 In. x 2.50 In. Brakes; Bore: 31.75 mm and 40 mm
1988 GMC P3500 GAS; Rear Drum Brakes 8,200 Lb. GVW; Bore: 31.75 mm and 40 mm; wo/Motorhome Chassis
1987 Chevrolet G30 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1987 Chevrolet P20 GAS 13 In. x 2.50 In. Brakes; Bore: 31.75 mm and 40 mm
1987 Chevrolet P30 GAS; Rear Drum Brakes 8,200 Lb. GVW; Bore: 31.75 mm and 40 mm; wo/Motorhome Chassis
1987 GMC G3500 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1987 GMC P2500 GAS 13 In. x 2.50 In. Brakes; Bore: 31.75 mm and 40 mm
1987 GMC P3500 GAS; Rear Drum Brakes 8,200 Lb. GVW; Bore: 31.75 mm and 40 mm; wo/Motorhome Chassis
1986 Chevrolet G30 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
1986 Chevrolet P20 GAS 13 In. x 2.50 In. Brakes; Bore: 31.75 mm and 40 mm
1986 Chevrolet P30 GAS; Rear Drum Brakes 8,200 Lb. GVW; Bore: 31.75 mm and 40 mm; wo/Motorhome Chassis
1986 GMC G3500 GAS w/Single Rear Wheel (SRW); Bore: 31.75 mm and 40 mm
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Product Specifications

Master Cylinder Bore Diameter: 1-1/4 in and 40mm
Master Cylinder Material: Aluminum
Mounting Hardware Included: No
Number of Outlets: 2
Package Contents: Master Cylinder
Package Quantity: 1
Packaging Type: Box
Rearward Outlet Size: 1/2-20
Reservoir Included: Yes
Sensor Included: No

OE Numbers

DIRECT OE CROSS
18013441 GENERAL MOTORS

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