Keep hydraulic pressure flowing to every wheel with the Dorman First Stop Brake Master Cylinder M39962. It converts brake-pedal force into hydraulic pressure sent through the brake lines, and it is a direct-fit replacement for many vehicles, among them the 1994 Cadillac DeVille, 1991-1992 Buick Riviera and 1991-1992 Cadillac Eldorado; see the Buyer's Guide tab for the full list.
Dorman precision-engineers this master cylinder to reproduce the design, function and performance of the original unit on the listed applications. It is built from new, high-quality materials for a safe, durable replacement.
- Precise replacement: the aluminum cylinder housing is built to match the material of the original part for similar performance.
- Durable design: every rubber component uses a high-quality EPDM compound that resists glycol-based brake fluid.
- 100% new: made entirely of new materials for quality and safety.
- Strict specifications: made to meet rigorous SAE International standards.
Specifications: 1 in bore diameter; 2 outlets, with M11 x 1.5 and M12 x 1.0 outlet threads. The reservoir and sensor are included; mounting hardware is not included. Package contents: one master cylinder. Country of origin: China.
Signs a master cylinder may need replacing include a soft or sinking brake pedal, fluid leaking at the cylinder, or a steadily dropping reservoir level. These symptoms can have other causes, so diagnose the brake system before replacing parts.
Interchange: 174-706 · 783-36085 · 83-36085 · 100-2298 · M-82085 · 13-2563 · 10-2563 · 130.62085 · 355-46008
174706 · 78336085 · 8336085 · 1002298 · M82085 · 132563 · 102563 · 13062085 · 35546008 · 18M514 · M900721 · 12510 · MC251120 · 18016545 · 18020390 · M3002 · NM3002 · MC39962 · F123539 · MC123539
This part cross-references / interchanges with the following part numbers:
174-706, 18M514, 783-36085, 83-36085, M900721, 100-2298, M-82085, 12510, 13-2563, 10-2563, 130.62085, MC251120, 355-46008, 18016545, 18020390, M3002, NM3002, MC39962, F123539, MC123539
