Dorman M39777 Brake Master Cylinder
OE Quality 60-Day Returns
Dorman

Dorman M39777 Brake Master Cylinder

Brand Dorman M39777
Mounting Hardware Included No
Master Cylinder Bore Diameter 1.063
Master Cylinder Material Aluminum
Reservoir Included Yes
Secondary Outlet Thread Diameter 10
Sensor Included Yes
Number of Outlets 3
Package Contents Master cylinder
Rearward Outlet Size M10 x 1.0
Thread Pitch 1.0
Fits Nissan · 3 vehicles

OE-style replacement. Matches the original master cylinder design, function, and performance.

Aluminum construction. Built with new materials for strength and corrosion resistance.

Complete assembly. Includes the reservoir and sensor for the specified application.

Cross-references Cardone New 13-2459, Gates 12497 and Quality-Built M52459 for the same application. See all 14.

$150.15Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $150.15
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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Brake Master Cylinder Overview

This Dorman brake master cylinder is built for specific Nissan 300ZX applications and matches the original unit’s design, function, and performance. It uses new materials for a durable replacement and includes an integrated reservoir and sensor.

  • Aluminum master cylinder construction for corrosion resistance and strength.
  • 1.063-inch bore diameter for the specified hydraulic setup.
  • Three outlet ports with M10 x 1.0 thread pitch for the listed application.
  • Reservoir and sensor included for a complete master cylinder assembly.

Fitment Details

Compatible with 1989-1991 Nissan 300ZX applications listed below:

  • Fits 1991 Nissan 300ZX, N/A. Bore: 1.0625 in.; to 2/91.
  • Fits 1990 Nissan 300ZX, N/A. Drum brake wheel cylinder with a size of 1.0625 inches.
  • Fits 1989 Nissan 300ZX, N/A. Bore: 1.0625 in.; from 2/89.

This part cross-references Cardone New 13-2459 and Gates 12497 for the same application.

Installation Notes

Verify bore diameter, outlet thread size, and port layout before installation. The mounting hardware is not included. Confirm the vehicle’s brake configuration and the date-specific notes for 1989-1991 Nissan 300ZX fitment before ordering.

Quality Assurance

Dorman states this master cylinder is precision-engineered to match the original part’s design and performance on the listed applications. It is manufactured from new, high-quality materials for a safe, durable replacement.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelNotes
1991Nissan300ZXBore: 1.0625 In.; To 2/91
1990Nissan300ZXDrum brake wheel cylinder with a size of 1.0625 inches.
1989Nissan300ZXBore: 1.0625 In.; From 2/89
Directly replaces or cross-references 14 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Cardone New — 13-2459Gates — 12497Quality-Built — M5245911-245918M427072-876783-04603130.426034601030P01F119765M-51603M900634MC39769MC251470