HomeDorman M39756 Brake Master Cylinder
Part #: M39756

Dorman M39756 Brake Master Cylinder

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10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Honda, Civic, Civic del Sol, and CRX
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Overview of Dorman Brake Master Cylinder M39756

The Dorman Brake Master Cylinder M39756 is designed specifically for Honda Civic, Civic del Sol, and CRX models. This brake hydraulics component ensures reliable brake fluid pressure and includes a reservoir and sensor for enhanced functionality.

  • Master cylinder bore diameter: 0.875 inches
  • Constructed from durable aluminum material
  • Includes reservoir for brake fluid
  • Equipped with a sensor for brake system monitoring
  • Two outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0
  • Secondary outlet thread diameter: 10 mm
  • Mounting hardware not included

Detailed Product Description

The Dorman M39756 brake master cylinder is engineered with a 0.875-inch bore diameter to provide consistent hydraulic pressure for the braking system. Made from aluminum, this master cylinder offers corrosion resistance and long-term durability. It comes with an integrated reservoir to hold brake fluid, ensuring proper fluid supply during operation. The included sensor allows for real-time monitoring of brake fluid levels or pressure, which is critical for maintaining brake system safety. Featuring two outlets, including a rearward outlet sized M10 x 1.0 with a 1.0 thread pitch, this master cylinder is compatible with the brake hydraulics setup of Honda Civic, Civic del Sol, and CRX vehicles. Note that mounting hardware is not included, so additional components may be required for installation.

Compatible Vehicles and Applications

  • Honda Civic (various model years)
  • Honda Civic del Sol
  • Honda CRX

This part is intended for use in brake hydraulic systems where the original master cylinder requires replacement due to wear, leaks, or failure.

Common Issues Addressed by This Master Cylinder

  • Brake pedal sinking or sponginess
  • Brake fluid leaks from the master cylinder
  • Reduced braking performance or pressure loss
  • Warning lights triggered by faulty brake fluid sensors
  • Corrosion or damage to the original master cylinder housing

Installation Notes and Tips

Installation of the Dorman M39756 brake master cylinder requires proper brake system bleeding to remove air and ensure optimal hydraulic pressure. Since mounting hardware is not included, verify compatibility with existing brackets and fasteners. It is recommended to inspect brake lines and related components during installation to prevent future leaks or failures. Use manufacturer-recommended brake fluid and follow vehicle-specific service procedures for best results.

Quality Assurance and Warranty

Dorman brake master cylinders are manufactured to meet or exceed OEM specifications, providing reliable performance for Honda Civic, Civic del Sol, and CRX models. This product includes a limited warranty against defects in material and workmanship. For detailed warranty terms, refer to Dorman's official documentation.

BrandDorman
Part NumberM39756
Master Cylinder Bore Diameter0.875
Master Cylinder MaterialAluminum
Mounting Hardware IncludedNo
Number of Outlets2
Package ContentsMaster Cylinder
Rearward Outlet SizeM10 X 1.0
Reservoir IncludedYes
Secondary Outlet Thread Diameter10
Sensor IncludedYes
Thread Pitch1.0

This part fits 10 vehicles. Search below:

YearMakeModelSubmodelBody TypeDrive TypeLitersCylindersPositionNotes
1995HondaCivicEXN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1994HondaCivicEXN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1994HondaCivic del Sol1.6LL4N/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1993HondaCivicEXN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1991HondaCivicWagon4WDN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1991HondaCRXSiN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1990HondaCivicWagon4WDN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1990HondaCRXSiN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1989HondaCivicWagon4WDN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1988HondaCivicWagon4WDN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.

* 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:

072-857511-125151249113-2515130.4001018M41646100SH3G12783-08010F120596M-54010M55002M900623MC250690MC39756

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