Brake Master Cylinder
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$37.47at Partsgeek.comChecked 2 h ago
16% under what the other stores charge
Compared across 14 stores. Prices are checked against each store and labelled with when.
16% under what the other stores charge
Compared across 14 stores. Prices are checked against each store and labelled with when.
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Lowest price we've seen: $37.47 on Nov 12 at Partsgeek.com. Tracked across 14 stores since Nov 12.
Dorman M390259 Brake Master CylinderThe Dorman M390259 brake master cylinder is built for specific GM and Dodge truck and SUV applications that use a 1.125 in. bore with a vacuum booster. It is precision-engineered to match the original master cylinder’s design, function, and performance, with new materials selected for durable brake system service.Key FeaturesAluminum master cylinder construction for a lightweight, corrosion-resistant design40 mm and 1-1/8 in. bore diameter for the listed vacuum-booster applicationsReservoir included for a complete master cylinder assemblyTwo outlet ports with 1/2-20 rearward outlet and 9/16-18 secondary outlet threadsDirect replacement for select Chevrolet, GMC, Cadillac, and Dodge vehiclesPart number M390259 for easy identification and orderingDetailed DescriptionThis brake master cylinder is designed for vehicles such as the Chevrolet Tahoe, GMC Yukon, Chevrolet C/K trucks, GMC C/K trucks, Cadillac Escalade, and select Dodge Ram 1500 models listed in the fitment data. It is built to restore hydraulic brake pressure delivery in systems that use a vacuum booster and the specified bore size. Dorman M390259 also cross-references Raybestos Brakes MC390259 for the same application.As a replacement brake master cylinder, M390259 helps maintain consistent pedal response and proper fluid movement through the brake hydraulic system. The aluminum body and included reservoir support a clean OE-style replacement for service on 1994-2000 Chevrolet, GMC, Cadillac, and 1995-1996 Dodge truck and SUV platforms.What It Helps SolveSoft or inconsistent brake pedal feel caused by master cylinder wearExternal brake fluid leakage from a failing master cylinder body or sealsLoss of hydraulic pressure in the brake systemBrake warning concerns related to master cylinder performanceRestoration needs after brake system overhaul on listed GM and Dodge vehiclesInstallation Notes and TipsVerify bore size, outlet thread sizes, and booster type before installation. This unit does not include mounting hardware or a sensor. Bench bleeding the master cylinder before installation helps remove trapped air and supports proper brake pedal operation after service. Confirm the vehicle uses the listed vacuum booster and application-specific notes, especially on 1994-2000 Chevrolet Tahoe, GMC Yukon, Chevrolet C/K, GMC C/K, Cadillac Escalade, and Dodge Ram 1500 models.Quality AssuranceDorman manufactures this master cylinder as a new replacement part using high-quality materials and OE-style engineering for the listed applications. Part number M390259 is built to match original design and function for dependable brake system service.
