Turn pedal effort into hydraulic pressure for the brake system with the Dorman First Stop Brake Master Cylinder M630274. It is a direct-fit replacement for many vehicles, among them the 2003-2009 Chevrolet C4500 Kodiak, 2003-2009 Chevrolet C5500 Kodiak and 2003-2009 Chevrolet C6500 Kodiak; see the Buyer's Guide tab for the full list. Its design, function and performance are precision-matched to the original part on the listed applications, and it is built from new, high-quality materials.
- Precise replacement: The cast iron cylinder housing is constructed to match the original's casting material for similar performance.
- Durable rubber components: Every rubber component uses a high-quality EPDM compound that resists glycol-based brake fluid.
- 100% new: Made entirely from new materials for quality and safety.
- Strict specifications: Made to meet rigorous SAE International standards.
Specifications: 2 in. bore diameter · 2 outlets · 1/2-20 secondary outlet thread · reservoir included · sensor included · mounting hardware not included. Country of origin: China.
Signs a master cylinder may need replacing include a soft or sinking brake pedal and brake fluid leaking at the cylinder or reservoir. Diagnose the cause before replacing the part, and consult the vehicle service information for the correct fasteners, whether they may be reused, and the brake bleeding procedure.
Interchange: 13-8042 · 10-8041 · 130.82007
138042 · 108041 · 13082007 · 15007799 · 15142243 · 19301986 · 8150077990 · 8151422430 · 8193019860 · F141605 · MC141605
This part cross-references / interchanges with the following part numbers:
13-8042, 10-8041, 130.82007, 15007799, 15142243, 19301986, 8150077990, 8151422430, 8193019860, F141605, MC141605
