Dorman - First Stop Brake Master Cylinder P/N:M3081

Convert every press of the brake pedal into hydraulic pressure with the Dorman First Stop Brake Master Cylinder M3081. It drops in as a direct-fit replacement for a range of classic 1948–1957 Hudson models (Commodore Series, Hornet, Wasp, Pacemaker, Rambler, Italia and more) and 1951–1956 Packard models (200, 250, 300, Caribbean, Clipper, Patrician and more), every application cataloged with the [All] engine — see the Buyer's Guide tab for the complete list.

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

This unit is engineered to replicate the original master cylinder's design, function and performance on the listed applications. It has a 1-inch bore diameter, a single outlet, and a 1/2-20 rearward outlet size. The reservoir is included; a sensor is not, and no mounting hardware is supplied — consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: Taiwan.

Signs the original master cylinder may need replacing include a sinking or spongy brake pedal, a slowly dropping pedal at a stop, or fluid seepage near the reservoir. Diagnose the cause before replacing, since these symptoms can have other sources.

Interchange: M900012 · 100-2910 · 1002910 · 13-32796 · 1332796 · 13-33081 · 1333081 · 10-33081 · 1033081 · 10-57588 · 1057588 · 300130 · 306215 · 3200306 · MC509480 · 5472937 · MC3081 · 426185 · 443761 · 443962 · F3081. Manufacturer part number M3081.