Dorman M630035 Master Cylinder
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Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$105.33
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
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 |
|---|---|---|---|---|---|
| 2002 | Cadillac | Escalade | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | Cadillac | Escalade EXT | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | Chevrolet | Avalanche 1500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | Chevrolet | Avalanche 2500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | Chevrolet | Blazer | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | Chevrolet | Silverado 1500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | Chevrolet | Silverado 1500 HD | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | Chevrolet | Silverado 2500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | Chevrolet | Silverado 2500 HD | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | Chevrolet | Silverado 3500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | Chevrolet | Suburban 1500 | w/Hydraulic Booster | ||
| 2002 | Chevrolet | Suburban 2500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | Chevrolet | Tahoe | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | GMC | Sierra 1500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | GMC | Sierra 1500 HD | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | GMC | Sierra 2500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | GMC | Sierra 2500 HD | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | GMC | Sierra 3500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | GMC | Yukon | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | GMC | Yukon XL 1500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2002 | GMC | Yukon XL 2500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2001 | Chevrolet | Blazer | Bore: 37 mm; w/Hydraulic Booster | ||
| 2001 | Chevrolet | Silverado 1500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2001 | Chevrolet | Silverado 1500 HD | Bore: 37 mm; w/Hydraulic Booster | ||
| 2001 | Chevrolet | Silverado 2500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2001 | Chevrolet | Silverado 2500 HD | Bore: 37 mm; w/Hydraulic Booster | ||
| 2001 | Chevrolet | Silverado 3500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2001 | Chevrolet | Suburban 1500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2001 | Chevrolet | Suburban 2500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2001 | Chevrolet | Tahoe | Bore: 37 mm; w/Hydraulic Booster | ||
| 2001 | GMC | Sierra 1500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2001 | GMC | Sierra 1500 HD | Bore: 37 mm; w/Hydraulic Booster | ||
| 2001 | GMC | Sierra 2500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2001 | GMC | Sierra 2500 HD | Bore: 37 mm; w/Hydraulic Booster | ||
| 2001 | GMC | Sierra 3500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2001 | GMC | Yukon | Bore: 37 mm; w/Hydraulic Booster | ||
| 2001 | GMC | Yukon XL 1500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2001 | GMC | Yukon XL 2500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2000 | Chevrolet | Silverado 2500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2000 | Chevrolet | Suburban 1500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2000 | Chevrolet | Suburban 2500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2000 | GMC | Sierra 2500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 2000 | GMC | Yukon XL 2500 | w/Hydraulic Booster | ||
| 1999 | Chevrolet | Silverado 2500 | Bore: 37 mm; w/Hydraulic Booster | ||
| 1999 | GMC | Sierra 2500 | Bore: 37 mm; w/Hydraulic Booster |
Product Specifications
| Master Cylinder Bore Diameter: | 37 mm |
|---|---|
| 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 |
| Secondary Outlet Thread Diameter: | 1/2-20 |
| Sensor Included: | Yes |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 18040236 | GENERAL MOTORS |
| 18043278 | GENERAL MOTORS |
| 18048539 | GENERAL MOTORS |