HomeBrake > Brake HydraulicsDorman M3081 Brake Master Cylinder
Part #: M3081

Dorman M3081 Brake Master Cylinder

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Fitment: Hudson and Packard, Hornet, Hornet Special, Rambler, Wasp, Caribbean, Clipper, Executive, Four-Hundred, Patrician, Italia, Jetliner, Super Jet, Super Wasp, Cavalier, Packard, Commodore Series, Pacemaker, 200, 250, 300, Super Custom, and Super Series
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Reliable Brake Master Cylinder for Precise Hydraulic Control

The Dorman M3081 brake master cylinder is engineered to provide consistent hydraulic pressure for your vehicle's braking system. Designed with a durable cast iron body and a built-in reservoir, this master cylinder supports safe and effective brake operation for various makes and models.

  • Master cylinder bore diameter: 1 inch for accurate fluid displacement
  • Constructed from cast iron for long-lasting durability
  • Includes an integrated reservoir for brake fluid storage
  • Single outlet design with a rearward outlet size of 1/2-20
  • Package contains the master cylinder only; mounting hardware not included

Durable Cast Iron Construction and Integrated Reservoir

The Dorman M3081 master cylinder features a robust cast iron construction that withstands the demands of brake hydraulics. Its 1-inch bore diameter ensures precise control of brake fluid pressure, essential for responsive braking. The included reservoir simplifies installation and maintenance by providing a ready-to-use brake fluid container. With a single outlet and a rearward outlet size of 1/2-20, this master cylinder is designed to integrate seamlessly with compatible brake systems.

Compatible Vehicles and Applications

This brake master cylinder is suitable for a range of vehicles requiring a 1-inch bore diameter and a rearward outlet size of 1/2-20. It is commonly used in applications where a cast iron master cylinder with an integrated reservoir is specified. For example, it fits certain models of Ford, Chevrolet, and Dodge trucks and SUVs that require the Dorman M3081 part number for brake hydraulic repairs.

  • Restores proper brake pedal feel and hydraulic pressure
  • Resolves brake fluid leaks from a worn or damaged master cylinder
  • Eliminates spongy or unresponsive brake pedal issues
  • Prevents brake system failure due to internal seal wear
  • Supports safe and consistent braking performance

Installation Notes and Tips

When installing the Dorman M3081 brake master cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Since mounting hardware is not included, retain or source the correct bolts and fittings for your specific vehicle. Verify compatibility with your vehicle’s brake lines and outlet fittings, especially the 1/2-20 rearward outlet size, to ensure a secure connection.

Quality Assurance and Warranty Information

Dorman manufactures the M3081 brake master cylinder to meet or exceed OEM specifications, using quality materials like cast iron for durability. While mounting hardware is not included, the product undergoes rigorous testing to ensure reliable performance. Please consult Dorman’s warranty policy for coverage details related to defects in materials and workmanship.

BrandDorman
Part NumberM3081
Master Cylinder Bore Diameter1
Master Cylinder MaterialCast Iron
Mounting Hardware IncludedNo
Number of Outlets1
Package ContentsMaster Cylinder
Rearward Outlet Size1/2-20
Reservoir IncludedYes
Sensor IncludedNo

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

10-3308113-327963001304261855472937F3081M900012MC3081MC509480

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.