OE Quality
60-Day Returns

Dorman W37245 Drum Brake Wheel Cylinder - Rear
Reliable Drum Brake Wheel Cylinder for Precise Braking
The Dorman W37245 drum brake wheel cylinder is engineered to restore proper brake function in compatible vehicles. Designed with durable cast iron and precise dimensions, this wheel cylinder ensures consistent hydraulic pressure for safe stopping performance.
- Includes bleeder screw for easy brake bleeding
- Cast iron construction for strength and durability
- Brake line inlet thread diameter of 10 mm with M10 x 1.0 thread size
- Bore diameter of 0.625 inches for accurate fitment
- Thread pitch of 1.0 for secure connections
- Package contains one drum brake wheel cylinder
Technical Details and Specifications
The Dorman W37245 wheel cylinder features a cast iron casting material that provides reliable resistance to wear and corrosion. The bore diameter of 0.625 inches is designed to match specific drum brake assemblies, ensuring proper hydraulic pressure and brake shoe movement. The brake line inlet thread diameter is 10 mm, with an M10 x 1.0 thread size and a 1.0 thread pitch, allowing for secure attachment of brake lines. This part includes a bleeder screw to facilitate brake system maintenance, although it does not come with a bleeder screw cap.
Compatible Vehicles and Applications
This drum brake wheel cylinder is compatible with various vehicle makes and models that require a 0.625 inch bore diameter and M10 x 1.0 brake line inlet thread size. It is commonly used in drum brake systems on trucks and passenger vehicles where Dorman parts are specified. For exact fitment, verify the part number W37245 against your vehicle’s brake system requirements.
Common Brake Issues Addressed
- Brake fluid leaks from worn or damaged wheel cylinders
- Uneven brake shoe wear due to inconsistent hydraulic pressure
- Spongy or soft brake pedal feel caused by failing wheel cylinders
- Reduced braking efficiency in drum brake assemblies
- Brake drag or sticking caused by seized wheel cylinder pistons
Installation Notes and Tips
When installing the Dorman W37245 wheel cylinder, ensure the brake system is fully depressurized and the vehicle is securely supported. Use the included bleeder screw to properly bleed air from the brake lines after installation. Inspect brake shoes and drums for wear and replace if necessary to maintain optimal braking performance. Tighten brake line fittings to manufacturer torque specifications to prevent leaks.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The W37245 wheel cylinder undergoes rigorous quality control to ensure proper fit and function. This part is backed by Dorman’s limited warranty, covering defects in material and workmanship under normal use.
| Brand | Dorman |
| Part Number | W37245 |
| Bleeder Screw Cap Included | No |
| Bleeder Screw Included | Yes |
| Bore Diameter | 0.625 |
| Brake Component Inlet Thread Size | M10 X 1.0 |
| Brake Line Inlet Thread Diameter | 10 |
| Casting Material | Cast Iron |
| Package Contents | 1 Drum Brake Wheel Cylinder |
| Thread Pitch | 1.0 |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|
* 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.