The vacuum brake booster is a direct replacement component engineered for specific Chevrolet and GMC truck models from the mid to late 1970s. Constructed from durable steel with a black finish, this unit measures 12.2 inches in length, 11.8 inches in width, and 13.8 inches in height, weighing approximately 14.7 pounds. It is designed to amplify pedal force, reducing driver effort and enhancing overall braking performance. Each booster undergoes vacuum testing to verify reliable operation before packaging. The housing receives an anti-rust coating that helps extend service life under typical engine bay conditions. The master cylinder studs feature M10x1.5 threads, accommodating a separate master cylinder, which is not included with this booster. Compatible vehicles include the Chevrolet Blazer for the 1974 model year, Chevrolet C10, C20, and C30 pickups from 1975 through 1980, and GMC K15 and K25 trucks from 1975 to 1978. The component is intended for indoor installation within the engine compartment, where it integrates with the existing brake system. Proper installation by a qualified technician is recommended to ensure correct fit and function.
Engineered for direct replacement in specified Chevy and GMC trucks
Steel construction with black finish ensures structural integrity
Anti-rust coating applied to prolong service life
Vacuum tested to confirm consistent and reliable brake assist
M10x1.5 master cylinder studs accommodate standard separate cylinder
