Dorman - First Stop Brake Master Cylinder P/N:M71265

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$89.99
MPN: M71265
Item Package Quantity: 1
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Dorman - First Stop Brake Master Cylinder P/N:M71265
Dorman - First Stop Brake Master Cylinder P/N:M71265
$89.99

Build firm, dependable hydraulic brake pressure with the Dorman - First Stop Brake Master Cylinder M71265. A brake master cylinder converts the force of your foot on the pedal into the hydraulic pressure that operates the vehicle's brakes, and this unit drops in as a direct-fit replacement for the 1968-1975 Ford Bronco and 1968-1975 Ford F-100 (All engines). It is precision-engineered to match the design, function, and performance of the original master cylinder for these applications.

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

Specs: 1-inch bore diameter, two outlets, and a 1/2-20 rearward outlet size. The reservoir is included; no sensor is included, and mounting hardware is not included — consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: China.

Manufacturer part number: M71265.

Frequently Asked Questions

What does this master cylinder do?

It converts the force of your foot on the brake pedal into hydraulic pressure that operates the vehicle's braking system.

What vehicles does the M71265 fit?

It is a direct-fit replacement for the 1968-1975 Ford Bronco and 1968-1975 Ford F-100 (All engines). Check the Buyer's Guide tab to confirm fitment for your vehicle.

What is included?

The package contains the master cylinder with the reservoir included. A sensor is not included, and mounting hardware is not included.

What is it made of?

The cylinder housing is cast iron, built to match the original part's casting material, and its rubber components use a high-quality EPDM compound resistant to glycol-based brake fluid.

What are signs this part may need replacing?

A sinking or spongy brake pedal, brake fluid leaks, or a lit brake warning light can be signs. Diagnose the cause first; if the master cylinder is at fault, this replaces it.