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Dorman W34333 Drum Brake Wheel Cylinder - Front Left or Rear Left
Reliable Drum Brake Wheel Cylinder for Ford and Chevrolet Vehicles
The Dorman W34333 drum brake wheel cylinder is engineered to restore proper brake function in select Ford and Chevrolet models. Designed with durable cast iron construction and precise dimensions, this wheel cylinder ensures consistent hydraulic pressure for safe braking performance.
Key Features of the Dorman W34333 Wheel Cylinder
- Includes bleeder screw for easy brake system bleeding
- Cast iron casting material for strength and durability
- 1.125 inch bore diameter for accurate fit and function
- Brake line inlet thread diameter of 0.437 inches with 7/16-20 thread size
- Package contains one drum brake wheel cylinder
Detailed Product Description
The Dorman W34333 drum brake wheel cylinder is designed to meet or exceed OEM specifications for reliable brake hydraulics. Its cast iron construction provides resistance to corrosion and wear, extending the service life of your braking system. The included bleeder screw simplifies maintenance by allowing trapped air to be released, ensuring consistent hydraulic pressure. With a bore diameter of 1.125 inches and a brake line inlet thread size of 7/16-20, this wheel cylinder is engineered for precise compatibility with specific Ford and Chevrolet drum brake assemblies.
Common Applications and Issues Addressed
- Restores braking performance in vehicles experiencing brake pedal sponginess
- Replaces leaking or damaged wheel cylinders causing brake fluid loss
- Eliminates uneven brake wear due to malfunctioning hydraulic components
- Addresses brake drag caused by seized or sticking wheel cylinders
- Improves overall brake system responsiveness and safety
Installation Notes and Tips
- Ensure compatibility with your vehicle’s make, model, and year before installation
- Use proper tools to avoid damaging the bleeder screw or brake line threads
- Bleed the brake system thoroughly after installation to remove air pockets
- Inspect related brake components such as shoes and drums for wear during replacement
Quality Assurance and Warranty
Dorman parts are manufactured to meet industry standards for quality and durability. The W34333 wheel cylinder undergoes rigorous testing to ensure reliable performance under normal operating conditions. Please refer to Dorman’s warranty policy for specific coverage details.
| Brand | Dorman |
| Part Number | W34333 |
| Bleeder Screw Cap Included | No |
| Bleeder Screw Included | Yes |
| Bore Diameter | 1.125 |
| Brake Component Inlet Thread Size | 7/16-20 |
| Brake Line Inlet Thread Diameter | 0.437 |
| Casting Material | Cast Iron |
| Package Contents | 1 Drum Brake Wheel Cylinder |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1971 | GMC | G25/G2500 Van | Front Left | Compatible with drum brake systems with a 1.125" bore size. |
| 1971 | GMC | G35/G3500 Van | Front Left | Compatible with drum brake systems with a 1.125" bore size. |
| 1970 | GMC | G35/G3500 Van | Front Left | Compatible with drum brake systems with a 1.125" bore size. |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.