Turn pedal effort into hydraulic braking pressure with this Dorman brake master cylinder, part number M630145 from the Dorman - First Stop line. It is a direct-fit replacement for the 2001-2003 Toyota Highlander (engine: All), with one master cylinder used per vehicle.
Dorman engineers it to mirror the original master cylinder's design, function and performance, and builds it from high-quality materials for a durable replacement.
- Precise replacement: the aluminum cylinder housing is made to match the original part's material for similar performance.
- Durable design: every rubber component uses a high-quality EPDM compound for resistance to glycol-based brake fluid.
- 100% new: made entirely from new materials.
- Strict specifications: made to meet rigorous SAE International standards.
Specifications: 0.875 in bore diameter · 2 outlets · M10 x 1.0 rearward outlet size · M10 x 1.0 secondary outlet thread diameter · 1 mm primary outlet thread pitch. The package contains the master cylinder only. The reservoir, sensor and mounting hardware are not included. Country of origin: China.
Signs a master cylinder may need replacing include a soft or spongy brake pedal, a pedal that slowly sinks under steady pressure, or brake fluid leaking at the master cylinder. These symptoms can have other causes, so diagnose the brake system first. If the master cylinder is at fault, M630145 replaces it. Follow the vehicle service information for bleeding and installation.
Interchange: 100-1687 · 13-3058 · 11-3058 · 130.44813 · 355-76158
1001687 · 133058 · 113058 · 13044813 · 35576158 · M55241 · M55245 · NM55245 · MC390836 · 4720748030 · F141734 · MC141734 · R134971
This part cross-references / interchanges with the following part numbers:
100-1687, 13-3058, 11-3058, 130.44813, 355-76158, M55241, M55245, NM55245, MC390836, 4720748030, F141734, MC141734, R134971
