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Dorman W37940 Drum Brake Wheel Cylinder - Rear Right Forward
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Dorman W37940 Drum Brake Wheel Cylinder - Rear Right Forward

Dorman W37940 Drum Brake Wheel Cylinder - Rear Right Forward

Dorman W37940 Drum Brake Wheel Cylinder

Dorman W37940 is a direct replacement drum brake wheel cylinder engineered to match the original fit, function, and performance on specific vehicles. It is built for brake hydraulic service where a precise bore, correct inlet thread, and reliable bleeding are required.

  • Direct replacement for original drum brake wheel cylinder applications
  • Cast iron housing for brake system durability
  • 1.5-inch bore diameter
  • M10 x 1.0 brake component inlet thread size
  • Bleeder screw included for service convenience
  • Matches OE-style fit and function for selected vehicles

OE-Style Brake Hydraulic Replacement

This drum brake wheel cylinder is manufactured and tested for quality assurance to support consistent brake hydraulic performance. The cast iron body, 1.5-inch bore, and M10 x 1.0 inlet thread help ensure proper connection and operation in drum brake systems. Dorman W37940 is a practical replacement choice for brake service on select makes and models, including applications searched as drum brake wheel cylinder replacement for Honda Civic and compatible brake hydraulic repair for other OE-matched vehicles. This part cross-references Raybestos Brakes WC37940 for the same application.

Common Problems It Can Help Solve

  • Brake fluid leakage at the wheel cylinder
  • Reduced rear drum brake performance
  • Corrosion or wear in the original cylinder housing
  • Soft or inconsistent brake pedal feel caused by hydraulic loss
  • Brake service needs on vehicles with a worn drum brake wheel cylinder

Installation Notes and Tips

Confirm the bore diameter, inlet thread size, and bleeder screw configuration before installation. Clean the brake backing plate and inspect the drum brake shoes, hardware, and brake line condition during service. After installation, bleed the brake system thoroughly to remove air and verify a firm pedal. For fitment-based searches, this part is commonly referenced for drum brake wheel cylinder replacement on Honda Civic applications and other select OE-matched vehicles. Fits only the vehicles listed in the catalog fitment data for Dorman W37940.

Quality Assurance

Dorman manufactures this wheel cylinder as a direct replacement part and tests it for quality assurance to support dependable brake service. The design is intended to match the original component’s fit, function, and performance on the specified applications.

$79.30
Dorman W37940 Drum Brake Wheel Cylinder - Rear Right Forward—
$79.30

Dorman W37940 Drum Brake Wheel Cylinder - Rear Right Forward

Dorman W37940 Drum Brake Wheel Cylinder

Dorman W37940 is a direct replacement drum brake wheel cylinder engineered to match the original fit, function, and performance on specific vehicles. It is built for brake hydraulic service where a precise bore, correct inlet thread, and reliable bleeding are required.

  • Direct replacement for original drum brake wheel cylinder applications
  • Cast iron housing for brake system durability
  • 1.5-inch bore diameter
  • M10 x 1.0 brake component inlet thread size
  • Bleeder screw included for service convenience
  • Matches OE-style fit and function for selected vehicles

OE-Style Brake Hydraulic Replacement

This drum brake wheel cylinder is manufactured and tested for quality assurance to support consistent brake hydraulic performance. The cast iron body, 1.5-inch bore, and M10 x 1.0 inlet thread help ensure proper connection and operation in drum brake systems. Dorman W37940 is a practical replacement choice for brake service on select makes and models, including applications searched as drum brake wheel cylinder replacement for Honda Civic and compatible brake hydraulic repair for other OE-matched vehicles. This part cross-references Raybestos Brakes WC37940 for the same application.

Common Problems It Can Help Solve

  • Brake fluid leakage at the wheel cylinder
  • Reduced rear drum brake performance
  • Corrosion or wear in the original cylinder housing
  • Soft or inconsistent brake pedal feel caused by hydraulic loss
  • Brake service needs on vehicles with a worn drum brake wheel cylinder

Installation Notes and Tips

Confirm the bore diameter, inlet thread size, and bleeder screw configuration before installation. Clean the brake backing plate and inspect the drum brake shoes, hardware, and brake line condition during service. After installation, bleed the brake system thoroughly to remove air and verify a firm pedal. For fitment-based searches, this part is commonly referenced for drum brake wheel cylinder replacement on Honda Civic applications and other select OE-matched vehicles. Fits only the vehicles listed in the catalog fitment data for Dorman W37940.

Quality Assurance

Dorman manufactures this wheel cylinder as a direct replacement part and tests it for quality assurance to support dependable brake service. The design is intended to match the original component’s fit, function, and performance on the specified applications.

Product Information

Shipping & Returns

Description

Dorman W37940 Drum Brake Wheel Cylinder

Dorman W37940 is a direct replacement drum brake wheel cylinder engineered to match the original fit, function, and performance on specific vehicles. It is built for brake hydraulic service where a precise bore, correct inlet thread, and reliable bleeding are required.

  • Direct replacement for original drum brake wheel cylinder applications
  • Cast iron housing for brake system durability
  • 1.5-inch bore diameter
  • M10 x 1.0 brake component inlet thread size
  • Bleeder screw included for service convenience
  • Matches OE-style fit and function for selected vehicles

OE-Style Brake Hydraulic Replacement

This drum brake wheel cylinder is manufactured and tested for quality assurance to support consistent brake hydraulic performance. The cast iron body, 1.5-inch bore, and M10 x 1.0 inlet thread help ensure proper connection and operation in drum brake systems. Dorman W37940 is a practical replacement choice for brake service on select makes and models, including applications searched as drum brake wheel cylinder replacement for Honda Civic and compatible brake hydraulic repair for other OE-matched vehicles. This part cross-references Raybestos Brakes WC37940 for the same application.

Common Problems It Can Help Solve

  • Brake fluid leakage at the wheel cylinder
  • Reduced rear drum brake performance
  • Corrosion or wear in the original cylinder housing
  • Soft or inconsistent brake pedal feel caused by hydraulic loss
  • Brake service needs on vehicles with a worn drum brake wheel cylinder

Installation Notes and Tips

Confirm the bore diameter, inlet thread size, and bleeder screw configuration before installation. Clean the brake backing plate and inspect the drum brake shoes, hardware, and brake line condition during service. After installation, bleed the brake system thoroughly to remove air and verify a firm pedal. For fitment-based searches, this part is commonly referenced for drum brake wheel cylinder replacement on Honda Civic applications and other select OE-matched vehicles. Fits only the vehicles listed in the catalog fitment data for Dorman W37940.

Quality Assurance

Dorman manufactures this wheel cylinder as a direct replacement part and tests it for quality assurance to support dependable brake service. The design is intended to match the original component’s fit, function, and performance on the specified applications.

Dorman W37940 Drum Brake Wheel Cylinder - Rear Right Forward | PartCatalog