OEM Mitsubishi Master Cylinders
availability
Master Cylinder Reservoir
Mitsubishi
4627A026
Without ralliart, without abs, auto trans. Lancer. Without evolution. Eclipse Cross. 2.4L. Outlander Sport. Outlander PHEV. 3.0L.
MSRP $130.18
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Mitsubishi Motors Master Cylinders & Parts: Brake Pressure Generation
Tired of spending money on parts that might not fit? Mitsubishi Motors of North America has the solution. Master cylinders are the hydraulic pumps that convert brake pedal force into hydraulic pressure for the brake system. These assemblies include pistons, seals, reservoirs, and internal valves working together. They generate the pressure needed to activate calipers and wheel cylinders at all four corners. Proper master cylinder function ensures responsive braking on vehicles like the Mitsubishi Lancer Evolution and Mitsubishi Diamante.
What Causes Master Cylinder Failure
Internal seals deteriorate from age and contaminated brake fluid, allowing internal pressure leaks. Corrosion develops inside cylinder bores when moisture enters through reservoir caps. Return ports clog from debris in brake fluid, preventing proper pressure release. External leaks develop at reservoir mounting points or output line connections. Piston cups wear from repeated cycles and fail to generate adequate pressure. Aftermarket master cylinders often use seals that don't tolerate heat or bore finishes that accelerate wear. Mitsubishi Motors master cylinders feature precision-honed bores and high-temperature seals engineered for consistent pressure generation throughout their service life.
Recognizing Master Cylinder Issues
Brake pedal that sinks slowly to the floor indicates internal seal leakage. Hard pedal feel with reduced braking suggests restricted return ports or contamination. Visible fluid leaks at master cylinder body require immediate replacement for safety. Contaminated brake fluid accelerates master cylinder wear and should be flushed regularly. Test brake pedal feel regularly for changes that indicate developing problems. Replace master cylinders showing any signs of leakage before complete failure occurs. Coordinate master cylinder replacement with complete brake fluid flush and inspection of brake lines for comprehensive brake system reliability.
From accident repairs to custom modifications, Mitsubishi Motors of North America has everything your project requires.