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Dorman W37967 Drum Brake Wheel Cylinder - Rear
Overview of Dorman Drum Brake Wheel Cylinder W37967
The Dorman W37967 drum brake wheel cylinder is engineered for reliable brake hydraulics performance. Designed specifically for select Chevrolet, GMC, Isuzu, and Oldsmobile models, this component ensures consistent braking response and durability.
- Includes bleeder screw for easy brake fluid bleeding
- Constructed from durable cast iron for long-lasting strength
- 0.75 inch bore diameter for precise hydraulic function
- Brake component inlet thread size of 3/8-24 inches
- Thread diameter of 3/8 inch for secure fitment
- Package contains one drum brake wheel cylinder
Detailed Product Description
The Dorman W37967 drum brake wheel cylinder is a critical component in the brake hydraulics system, responsible for converting hydraulic pressure into mechanical force to engage the brake shoes. Made from cast iron, this wheel cylinder offers robust resistance to wear and corrosion. The included bleeder screw simplifies maintenance by allowing trapped air to be released from the brake lines, ensuring optimal brake performance. With a bore diameter of 0.75 inches and a brake component inlet thread size of 3/8-24 inches, this part is designed to meet the exact specifications required for proper fit and function.
Compatible Vehicles and Applications
This drum brake wheel cylinder is compatible with various models including Chevrolet S10, S10 Blazer, Sonoma, and Trailblazer, GMC Jimmy and Sonoma, Isuzu Hombre and Bravada, as well as Oldsmobile vehicles. The precise fitment ensures reliable braking performance tailored to these specific trucks and SUVs.
Common Issues Addressed by W37967
- Brake fluid leaks from worn or damaged wheel cylinders
- Reduced braking efficiency due to cylinder bore wear
- Brake pedal sponginess caused by trapped air in brake lines
- Uneven brake shoe application leading to premature wear
- Corrosion-related failure of original wheel cylinder components
Installation Notes and Tips
When installing the Dorman W37967 wheel cylinder, ensure the brake system is fully depressurized and the vehicle is securely lifted. Use the included bleeder screw to properly bleed the brake system after installation to remove any air pockets. Verify thread compatibility with the brake lines and avoid cross-threading during assembly. It is recommended to inspect brake shoes and hardware for wear and replace as necessary during installation.
Quality Assurance and Warranty
Dorman manufactures the W37967 wheel cylinder to meet or exceed OEM specifications, using cast iron for durability and performance. The product includes a bleeder screw for maintenance convenience. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulics components to ensure customer confidence in product reliability.
| Brand | Dorman |
| Part Number | W37967 |
| Bleeder Screw Cap Included | No |
| Bleeder Screw Included | Yes |
| Bore Diameter | 0.75 |
| Brake Component Inlet Thread Size | 3/8-24 in |
| Casting Material | Cast Iron |
| Package Contents | 1 Drum Brake Wheel Cylinder |
| Thread Diameter | 3/8 |
This part fits 43 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2007 | Chevrolet | Trailblazer | Rear | Fits vehicles with a 3/4 inch bore size. |
| 2006 | Chevrolet | Trailblazer | Rear | Fits vehicles with a 3/4 inch bore size. |
| 2005 | Chevrolet | Trailblazer | Rear | Fits vehicles with a 3/4 inch bore size. |
| 2004 | Chevrolet | Trailblazer | Rear | Fits vehicles with a 3/4 inch bore size. |
| 2003 | Chevrolet | Trailblazer | Rear | Fits vehicles with a 3/4 inch bore size. |
| 2002 | Chevrolet | S10 | Rear | Fits vehicles with a 3/4 inch bore size. |
| 2002 | Chevrolet | Trailblazer | Rear | Fits vehicles with a 3/4 inch bore size. |
| 2002 | GMC | Sonoma | Rear | Fits vehicles with a 3/4 inch bore size. |
| 2001 | Chevrolet | S10 | Rear | Fits vehicles with a 3/4 inch bore size. |
| 2001 | GMC | Sonoma | Rear | Fits vehicles with a 3/4 inch bore size. |
| 2000 | Chevrolet | S10 | Rear | Fits vehicles with a 3/4 inch bore size. |
| 2000 | GMC | Sonoma | Rear | Fits vehicles with a 3/4 inch bore size. |
| 2000 | Isuzu | Hombre | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1999 | Chevrolet | S10 | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1999 | GMC | Sonoma | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1999 | Isuzu | Hombre | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1998 | Chevrolet | S10 | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1998 | GMC | Sonoma | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1998 | Isuzu | Hombre | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1997 | Chevrolet | S10 | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1997 | GMC | Sonoma | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1997 | Isuzu | Hombre | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1996 | Chevrolet | S10 | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1996 | GMC | Sonoma | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1996 | Isuzu | Hombre | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1996 | Oldsmobile | Bravada | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1995 | Chevrolet | S10 | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1995 | GMC | Sonoma | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1994 | Chevrolet | S10 | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1994 | Chevrolet | S10 Blazer | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1994 | GMC | Jimmy | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1994 | GMC | Sonoma | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1994 | Oldsmobile | Bravada | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1993 | Chevrolet | S10 | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1993 | Chevrolet | S10 Blazer | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1993 | GMC | Jimmy | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1993 | GMC | Sonoma | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1993 | Oldsmobile | Bravada | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1992 | Chevrolet | S10 | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1992 | Chevrolet | S10 Blazer | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1992 | GMC | Jimmy | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1992 | GMC | Sonoma | Rear | Fits vehicles with a 3/4 inch bore size. |
| 1992 | Oldsmobile | Bravada | Rear | Fits vehicles with a 3/4 inch 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.