Dorman W123277 Drum Brake Wheel Cylinder - Front Left

Dorman W123277 Drum Brake Wheel Cylinder

Dorman W123277 is a direct replacement drum brake wheel cylinder built to match the fit, function, and performance of the original unit on specific vehicles. It is a practical choice for brake hydraulic service when you need a replacement wheel cylinder with the correct bore, thread size, and bleeder screw configuration.

Key Features

• Direct replacement for the original drum brake wheel cylinder
• Cast iron housing for brake hydraulic durability
• 1.875-inch bore diameter
• M12 x 1.5 brake component inlet thread size
• Bleeder screw included; bleeder screw cap not included
• Package contains 1 drum brake wheel cylinder

Detailed Product Information

This Dorman brake wheel cylinder is engineered for vehicles that use a drum brake rear hydraulic setup and require a 1.875-inch bore with M12 x 1.5 inlet threads. The cast iron construction supports the demands of brake fluid pressure, while the included bleeder screw helps simplify brake bleeding during service. If you are replacing a leaking or sticking wheel cylinder on a compatible brake system, Dorman W123277 provides the correct replacement format for the application.

This part cross-references Centric Parts 134.76109 for the same application. It also cross-references W123277 and WC37880 among other listed interchange numbers.

What This Part Helps Address

• Brake fluid leakage at the rear drum brake wheel cylinder
• Soft or inconsistent brake pedal feel caused by hydraulic loss
• Uneven rear brake operation from a sticking wheel cylinder
• Brake bleeding issues when the original bleeder screw is damaged
• Replacement needs for worn drum brake hydraulic components

Installation Notes and Tips

Confirm the bore diameter, inlet thread size, and bleeder screw layout before installation. Clean the brake backing plate area, inspect the brake shoes and hardware, and bleed the system thoroughly after replacement. Use the vehicle service procedure for the correct torque and brake fluid handling steps. Fits confirmed applications only; review the vehicle-specific brake system details before ordering Dorman W123277.

Quality Assurance

This wheel cylinder is manufactured and tested for quality assurance to support consistent fit and function on the intended vehicles. For buyers searching for a Dorman W123277 drum brake wheel cylinder, this OE-style replacement is built to match the original part’s service requirements.