Turn pedal effort into hydraulic brake pressure with the Dorman First Stop 1998-2002 Toyota Sienna master cylinder, part number M630124. It is a direct-fit replacement for the 1998-2002 Toyota Sienna (all engines; quantity 1 per vehicle), and Dorman precision-engineers it to match the original master cylinder's design, function, and performance.
- Precise replacement: The cylinder housing is aluminum and is constructed to match the original part's material for similar performance.
- Durable design: Every rubber component uses a high-quality EPDM compound that resists glycol-based brake fluid.
- 100% new: The cylinder is made entirely of new materials for quality and safety.
- Strict specifications: It is built to meet rigorous SAE International standards.
It has a 1 in bore diameter and two outlets. The rearward outlet size and the secondary outlet thread diameter are both M10 x 1.0, and the primary outlet thread pitch is 1 mm.
The package contains the master cylinder only; the reservoir, sensor, and mounting hardware are not included. Transfer or replace the reservoir and sensor as the service procedure directs, and check the vehicle service information for the correct fasteners and whether they may be reused. 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 an illuminated brake warning light. Other brake faults can cause similar symptoms, so diagnose the cause before replacing parts. For a 1998-2002 Toyota Sienna master cylinder replacement, follow the vehicle service information for bench bleeding, installation, and bleeding the brake system.
Interchange: 100-1683 · M-56809 · 072-9485 · 11-2735 · 130.44809 · 130.44817 · 355-76157
NM52735A · MC390415 · 4720108010 · 4720108040 · F141639 · F142651 · MC141639 · MC142651 · 1001683 · M56809 · 0729485 · 112735 · 13044809 · 13044817 · 35576157
This part cross-references / interchanges with the following part numbers:
100-1683, M-56809, 072-9485, 11-2735, 130.44809, 130.44817, 355-76157, NM52735A, MC390415, 4720108010, 4720108040, F141639, F142651, MC141639, MC142651
