Dorman - First Stop Brake Master Cylinder P/N:M390410

Convert brake-pedal force into the hydraulic pressure that operates the braking system with the Dorman - First Stop Brake Master Cylinder M390410. It installs as a direct-fit replacement for the 1997-2000 Lexus ES300 [All], 1997-1999 Toyota Avalon [All], 1997-2000 Toyota Camry [All], and 1999 Toyota Solara [All], and is precision-engineered to match the design, function, and performance of the original unit on these listed applications.

• 100% new: built entirely of new materials, not remanufactured.
• Aluminum housing: constructed to match the casting material of the original part for similar performance.
• Durable seals: rubber components use a high-quality EPDM compound for resistance to glycol-based brake fluid.
• Strict specifications: made to meet rigorous SAE International standards.

This unit has a 1-inch bore and two outlets with M12 x 1.0 threads, and it includes the reservoir and sensor. Signs the original master cylinder may need replacing include a spongy or slowly sinking brake pedal or external fluid seepage at the cylinder; diagnose the cause before replacing. Mounting hardware is not included — consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: Taiwan. Manufacturer part number M390410.