HomeBrake > Hardware, Fasteners and FittingsDorman W93337 Drum Brake Wheel Cylinder - Rear
Part #: W93337

Dorman W93337 Drum Brake Wheel Cylinder - Rear

Rear
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Volkswagen, 412, Fastback, Squareback, and 411
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Reliable Drum Brake Wheel Cylinder for Precise Brake Control

The Dorman W93337 drum brake wheel cylinder is engineered to restore proper braking function in compatible vehicles. Designed with durable cast iron and precise dimensions, this wheel cylinder ensures consistent hydraulic pressure for safe and effective drum brake operation.

  • Includes bleeder screw for easy brake fluid bleeding
  • Cast iron construction for strength and durability
  • Brake line inlet thread diameter: 10 mm
  • Bore diameter of 0.875 inches for accurate fitment
  • Brake component inlet thread size: M10 x 1.0 with 1.0 thread pitch
  • Package contains one drum brake wheel cylinder

Technical Details and Specifications

The Dorman W93337 wheel cylinder features a cast iron body that withstands the rigors of brake system pressure and heat. Its 0.875-inch bore diameter is designed to match specific drum brake assemblies, ensuring proper piston movement and hydraulic sealing. The included bleeder screw simplifies maintenance by allowing trapped air to be released from the brake lines, improving brake responsiveness. The brake line inlet thread diameter of 10 mm and M10 x 1.0 thread size with a 1.0 pitch provide compatibility with standard brake lines used in many vehicles.

Compatible Vehicles and Applications

This drum brake wheel cylinder is compatible with various makes and models that require a 0.875-inch bore diameter and M10 x 1.0 brake line inlet threads. It is commonly used in rear drum brake systems where reliable hydraulic pressure is critical for safe stopping performance. The part number W93337 is referenced for fitment in specific vehicle brake hydraulics systems; verify compatibility with your vehicle's service manual or parts catalog.

  • Restores proper hydraulic pressure in drum brake systems
  • Eliminates brake pedal sponginess caused by leaking wheel cylinders
  • Prevents brake fluid leaks at the wheel cylinder
  • Addresses uneven brake wear due to malfunctioning wheel cylinders
  • Improves overall brake system reliability and safety

Installation Notes and Tips

When installing the Dorman W93337 wheel cylinder, ensure the brake system is fully depressurized and the vehicle is securely lifted. Use the included bleeder screw to remove air from the brake lines after installation. Inspect brake shoes and hardware for wear and replace as necessary to maintain optimal braking performance. Proper torque specifications should be followed for brake line fittings to prevent leaks.

Quality Assurance and Warranty

Dorman manufactures the W93337 wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction provides durability under normal operating conditions. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation for exact warranty terms.

BrandDorman
Part NumberW93337
Bleeder Screw Cap IncludedNo
Bleeder Screw IncludedYes
Bore Diameter0.875
Brake Component Inlet Thread SizeM10 X 1.0
Brake Line Inlet Thread Diameter10
Casting MaterialCast Iron
Package Contents1 Drum Brake Wheel Cylinder
Thread Pitch1.0

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* 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:

072-8053134.33300311611067B3368684-94300F93337W-20300W906319WC253760WC37217

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