HomeBrake > Brake HydraulicsDorman M39552 Brake Master Cylinder
Part #: M39552

Dorman M39552 Brake Master Cylinder

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4 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, Prelude
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Reliable Brake Master Cylinder for Honda Prelude

The Dorman M39552 brake master cylinder is engineered to restore proper brake hydraulics for Honda Prelude models. Designed with precision, this aluminum master cylinder includes a reservoir and sensor to ensure consistent brake performance.

  • Compatible with Honda Prelude vehicles
  • Master cylinder bore diameter of 0.875 inches for accurate hydraulic pressure
  • Durable aluminum construction for corrosion resistance
  • Includes reservoir and sensor for integrated brake system functionality
  • Two outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0
  • Secondary outlet thread diameter of 10 mm
  • Mounting hardware not included

Product Details and Specifications

The Dorman M39552 brake master cylinder is crafted from aluminum, providing a lightweight yet durable component for your Honda Prelude's brake hydraulics. The master cylinder features a bore diameter of 0.875 inches, which is critical for maintaining proper hydraulic pressure within the braking system. This unit comes complete with a reservoir and an integrated sensor, allowing for seamless monitoring and fluid management. It has two outlets, including a rearward outlet sized M10 x 1.0 with a thread pitch of 1.0, and a secondary outlet thread diameter of 10 mm, ensuring compatibility with the vehicle's brake lines. Note that mounting hardware is not included with this part.

Common Applications and Problem Resolution

  • Restores brake pressure loss due to worn or damaged master cylinder
  • Eliminates brake fluid leaks from the master cylinder reservoir
  • Resolves brake pedal sinking or sponginess caused by internal seal failure
  • Replaces faulty brake fluid level sensor for accurate warning signals
  • Addresses inconsistent braking performance in Honda Prelude models

Installation Notes and Tips

When installing the Dorman M39552 brake master cylinder on a Honda Prelude, ensure the brake system is properly bled to remove air pockets. Verify that the reservoir is filled with the correct brake fluid type recommended by the vehicle manufacturer. Since mounting hardware is not included, retain or source the appropriate fasteners for secure installation. Check the sensor connection for proper engagement to maintain brake fluid level monitoring functionality.

Quality Assurance and Warranty

Dorman brake master cylinders are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The M39552 part undergoes rigorous quality control to ensure fitment and function for Honda Prelude vehicles. Warranty coverage details can be obtained from the product documentation or the original purchase source.

BrandDorman
Part NumberM39552
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 4 vehicles. Search below:

YearMakeModelPositionNotes
1987HondaPreludeN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1986HondaPreludeN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1985HondaPreludeN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
1984HondaPreludeN/ABore: 7/8 In.; From Serial No. EC040899

* 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:

11-20391223213-2286130.4000418M29846100SB0A01783-08006F114650M-54006M52039M900504MC250680MC39552

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