Send hydraulic pressure through both of its outlets to the brake system every time the pedal goes down with the Dorman First Stop Brake Master Cylinder M39988, a direct replacement for the 1990-1993 Isuzu Pickup, 1991-1993 Isuzu Rodeo and 1992 Isuzu Amigo. Dorman precision-engineers it so its design, function and performance mirror the original master cylinder. It is built from new, high-quality materials for a safe, durable replacement.
- Precise replacement: the aluminum cylinder housing is constructed to match the original part's housing material for similar performance.
- Durable design: 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: 1 in bore diameter · 2 outlets · rearward and secondary outlets M10 x 1.0 · primary outlet thread pitch 1 mm · reservoir included · sensor included · mounting hardware not included · country of origin: Taiwan.
Signs a master cylinder may need replacing include a soft or sinking brake pedal, brake fluid leaking at the cylinder or its outlets, or a fluid level that keeps dropping. Other brake faults can cause the same symptoms, so diagnose the cause first. If the master cylinder is at fault, this unit replaces it. Bleed the brake system as directed by the vehicle service procedure after installation.
Quantity per application: 1.
See the Buyer's Guide tab for every listed vehicle.
Interchange: 13-2503 · 11-2503 · 130.43017 · 131.43017 · 355-37007
132503 · 112503 · 13043017 · 13143017 · 35537007 · 18M536 · M900742 · 12501 · MC508490 · 94338038 · 8943380380 · MC39988 · F119340 · F131101 · MC119340
This part cross-references / interchanges with the following part numbers:
18M536, M900742, 12501, 13-2503, 11-2503, 130.43017, 131.43017, MC508490, 355-37007, 94338038, 8943380380, MC39988, F119340, F131101, MC119340
