Dorman M390426 Brake Master Cylinder

The Dorman M390426 Brake Master Cylinder is a direct-fit replacement designed to restore proper braking performance for Dodge Ram 1500, 2500, and 3500. Precision-engineered to match the original equipment in fit, function, and performance, it provides a reliable solution for worn or failing master cylinders. Constructed from 100% new materials, this unit features a durable aluminum housing and high-quality EPDM rubber components that resist brake fluid corrosion for long-lasting performance. Built to meet strict SAE standards, it ensures safe and consistent brake pressure, making it a dependable and cost-effective alternative to OE replacement parts.

Master Cylinder Bore Diameter: 1.25 in

Master Cylinder Material: Aluminum

Mounting Hardware Included: No

Number of Outlets: 2

Package Contents: Master Cylinder

Primary Outlet Thread Pitch: 1 mm

Rearward Outlet Size: M10 X 1.0

Reservoir Included: Yes

Secondary Outlet Thread Diameter: M12 X 1.0

Sensor Included: No