DORMAN part description

Technical Specifications

Master Cylinder Bore Diameter: 1.25 in
Master Cylinder Material: Aluminum
Mounting Hardware Included: No
Number of Outlets: 2
Package Contents: Master Cylinder
Rearward Outlet Size: 1/2 -20
Reservoir Included: Yes
Secondary Outlet Thread Diameter: 1/2 -20
Sensor Included: Yes

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.

Application Summary: 

  • Cadillac 2004-03
  • Chevrolet 2004-03
  • GMC 2004-03

Features & Benefits

  • 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

DORMAN M630282 Cross Reference

We have 1 alternatives for the M630282 by DORMAN:

Fits Vehicles

  • Cadillac Escalade EXT (2003-2004)
  • Cadillac Escalade ESV (2003-2004)
  • Chevrolet Silverado 1500 (2004)
  • Chevrolet Avalanche 1500 (2004)
  • GMC Yukon XL 1500 (2003)
  • GMC Yukon (2003-2004)
  • GMC Sierra 1500 (2003-2004)
  • Chevrolet Tahoe (2003-2004)
  • Chevrolet Suburban 1500 (2003)
  • Chevrolet Blazer (2003-2004)
  • Cadillac Escalade (2003-2004)

Dorman® is a trusted supplier of premium-quality replacement parts, hardware, and fasteners to the automotive aftermarket. Since 1918, it has introduced thousands of these replacement parts that customers could once only get from original equipment manufacturers. Dorman believes that customers should always come first. So its dedicated team of engineers and designers creates each Dorman product with only one goal in mind—to make repair tasks easier and faster for mechanics and to save vehicle owners money from expensive repairs. Dorman continually expands its product line-up to offer a broader range of hard-to-find parts and accessories that could replace rare or expensive OEM parts.

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