Dorman - First Stop Brake Master Cylinder P/N:M630157

Convert brake-pedal force into the hydraulic pressure that feeds the brake circuits with the Dorman - First Stop Brake Master Cylinder (M630157). It drops in as a direct-fit replacement for the 2001-2002 Dodge Ram 2500 [All] and the 2001-2002 Dodge Ram 3500 [All], engineered to match the design, function, and performance of the original unit on those applications.

• 100% new: built entirely from new materials, not remanufactured, for consistent quality and safety.
• Aluminum housing: the cylinder housing is constructed to match the casting material of the original part for similar performance.
• EPDM seals: the 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 1.25 in bore diameter and two outlets, with a rearward outlet size of M10 x 1.0, a secondary outlet thread diameter of M12 x 1.0, and a 1 mm primary outlet thread pitch. The reservoir is included; a sensor and mounting hardware are not included, so consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: China.

Interchange: 100-3025 · 1003025 · 13692 · 13-2919 · 132919 · 10-2919 · 102919 · 130.67027 · 131.67027 · 5017034AA · 5018223AA · MC511670 · NM3081 · MC390426 · MC390732 · F134440 · MC134440. Manufacturer part number M630157.