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Dorman M630013 Brake Master Cylinder Replacement

(Chevrolet C1500 1990-93, C3500 1988-89, K3500 1988-89, V30 1988, R30 1988, R3500 1989, R20 1988, V20 Suburban 1988, R2500 Suburban 1989 + 10 more models)

Part of: Dorman Brake Master Cylinder Replacement

Other options in this family: Dorman M39298 Dorman M19012 Dorman M390139 Dorman M630735 Dorman M390200

Manufacturer

Picture for manufacturer Dorman

Part Number

M630013
6 reviews
Sale Price

$108.31

In Stock (5)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Dorman M630013 is a 100% new brake master cylinder engineered as a direct OE replacement. Designed to restore proper hydraulic braking pressure, this master cylinder matches the original part's design, dimensions, and performance characteristics for a seamless, no-modification installation.

Key Features:

  • Precise OE Replacement: Cylinder housing is constructed to match the casting material of the original part, ensuring equivalent fit and performance
  • Durable EPDM Rubber Components: All internal rubber seals and cups are manufactured from high-quality EPDM compound, providing superior resistance to glycol-based brake fluids
  • 100% New Construction: Made entirely from new materials — not remanufactured — for maximum safety, reliability, and service life
  • SAE-Compliant Manufacturing: Built to meet rigorous SAE International standards for hydraulic brake system components
  • Direct-Fit Design: Engineered to match OEM specifications for a straightforward installation without cutting, splicing, or adapters

The Dorman M630013 is part of Dorman's First Stop brake master cylinder line, delivering the dependable hydraulic actuation your brake system demands. As the heart of the hydraulic brake circuit, a properly functioning master cylinder is critical to safe stopping performance — making this new-construction replacement a smart choice over remanufactured alternatives.

Products specifications

Fits

Chevrolet C1500 1990-93, C3500 1988-89, K3500 1988-89, V30 1988, R30 1988, R3500 1989, R20 1988, V20 Suburban 1988, R2500 Suburban 1989, R20 Suburban 1988, R2500 1989, V3500 1989; GMC C3500 1988-89, K3500 1988-89, V3500 1988-89 + 4 more models

Feature - Benefit 1

Cylinder housing is constructed from high-quality cast iron or aluminum for long-lasting durability

Feature - Benefit 2

All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluid

Feature - Benefit 3

Direct replacement for a proper fit

Feature - Benefit 4

Manufactured to strict engineering quality standards, each Brake Master Cylinder meets S.A.E. specifications

Mounting Hardware Included

No

Master Cylinder Bore Diameter

0.875

Reservoir Included

No

Number of Outlets

4

Master Cylinder Material

Aluminum

Rearward Outlet Size

M10 X 1.0

Package Contents

Master Cylinder

Secondary Outlet Thread Diameter

10

Sensor Included

No

Thread Pitch

1.0

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