Turn every press of the pedal into hydraulic braking pressure with the Dorman First Stop Brake Master Cylinder M630696, a new Kia Optima master cylinder that serves as a direct-fit replacement for the 2006-2008 Kia Optima (engine: All), with one used per vehicle. It is precision-engineered to mirror the original master cylinder's design, function and performance on the listed application, and it is made of new, high-quality materials for a safe, durable replacement.
- Precise replacement: the aluminum cylinder housing is constructed to match the material of the original part, for performance similar to the original.
- Durable design: every rubber component uses a high-quality EPDM compound for resistance to glycol-based brake fluid.
- 100% new: made entirely of new materials to support quality and safety.
- Strict specifications: made to meet rigorous SAE International standards.
Specifications: 1-inch bore diameter and three outlets. The secondary outlet thread is M12 x 1.0 and the primary outlet thread pitch is 1 mm. The reservoir and sensor are included; mounting hardware is not included. Country of origin: Taiwan.
Signs a master cylinder may need replacing include a brake pedal that feels soft or slowly sinks, fluid leaking at the cylinder, or a reservoir level that keeps dropping. Other brake components can cause similar symptoms, so diagnose the cause before replacing. After installation, bleed the brake system as directed by the vehicle service procedure.
Interchange: 100-2006 · 13-3979 · 11-3979 · 130.50035 · 355-21033
1002006 · 133979 · 113979 · 13050035 · 35521033 · 585102G210 · NM55698 · MC391289 · F142422 · MC142422
This part cross-references / interchanges with the following part numbers:
100-2006, 13-3979, 11-3979, 130.50035, 355-21033, 585102G210, NM55698, MC391289, F142422, MC142422
