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Dorman W37983 Drum Brake Wheel Cylinder - Rear
Reliable Drum Brake Wheel Cylinder for Subaru Vehicles
The Dorman W37983 drum brake wheel cylinder is engineered to restore proper braking function in select Subaru models. Designed with durable cast iron and precise specifications, this component ensures consistent hydraulic pressure for safe and effective braking performance.
- Includes bleeder screw for easy brake fluid bleeding
- Brake line inlet thread diameter: 10 mm
- Brake component inlet thread size: M10 x 1.0 with 1.0 thread pitch
- Bore diameter of 0.75 inches for accurate fitment
- Constructed from cast iron for strength and durability
- Package contains one drum brake wheel cylinder
Technical Details and Compatibility
The Dorman W37983 wheel cylinder is specifically designed for compatibility with Subaru Forester, Impreza, Legacy, and Outback models. Its cast iron construction provides reliable resistance to wear and corrosion, while the included bleeder screw simplifies maintenance by allowing efficient removal of air from the brake system. The 10 mm brake line inlet thread diameter and M10 x 1.0 thread size ensure a secure connection to the brake hydraulics. With a bore diameter of 0.75 inches, this wheel cylinder matches OEM specifications for proper brake shoe actuation.
Common Applications and Problem Resolution
- Restores braking pressure in drum brake assemblies
- Eliminates brake fluid leaks caused by worn or damaged cylinders
- Resolves spongy or unresponsive brake pedal feel
- Prevents uneven brake shoe wear due to cylinder malfunction
- Addresses brake drag caused by sticking pistons
Installation Notes and Tips
When installing the Dorman W37983 drum brake wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove air pockets. Verify thread compatibility with the brake line inlet (M10 x 1.0) before installation. Inspect brake shoes and hardware for wear and replace as necessary to maintain optimal braking performance. Use appropriate brake fluid and follow manufacturer torque specifications for all fittings.
Quality Assurance and Warranty
Dorman manufactures the W37983 wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction offers durability under typical operating conditions. This part includes a bleeder screw for maintenance convenience. Warranty coverage details should be confirmed with the distributor or retailer, as they may vary.
| Brand | Dorman |
| Part Number | W37983 |
| Bleeder Screw Cap Included | No |
| Bleeder Screw Included | Yes |
| Bore Diameter | 0.75 |
| 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 33 vehicles. Search below:
| Year | Make | Model | Body Type | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | Subaru | Forester | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 2007 | Subaru | Forester | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 2006 | Subaru | Forester | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 2005 | Subaru | Forester | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 2005 | Subaru | Impreza | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 2004 | Subaru | Forester | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 2004 | Subaru | Impreza | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 2004 | Subaru | Legacy | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 2004 | Subaru | Outback | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 2003 | Subaru | Forester | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 2003 | Subaru | Impreza | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 2003 | Subaru | Legacy | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 2003 | Subaru | Outback | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 2002 | Subaru | Forester | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 2002 | Subaru | Impreza | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 2001 | Subaru | Forester | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 2001 | Subaru | Impreza | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 2000 | Subaru | Forester | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 2000 | Subaru | Impreza | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 1999 | Subaru | Forester | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 1999 | Subaru | Impreza | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 1999 | Subaru | Legacy | Wagon | Rear | Fits vehicles with a 3/4 inch bore size. | |
| 1998 | Subaru | Forester | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 1998 | Subaru | Impreza | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 1998 | Subaru | Legacy | Wagon | Rear | Fits vehicles with a 3/4 inch bore size. | |
| 1997 | Subaru | Impreza | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 1997 | Subaru | Legacy | Wagon | Rear | Fits vehicles with a 3/4 inch bore size. | |
| 1996 | Subaru | Impreza | Rear | Fits vehicles with a 3/4 inch bore size. | ||
| 1996 | Subaru | Legacy | Wagon | Rear | Fits vehicles with a 3/4 inch bore size. | |
| 1995 | Subaru | Impreza | AWD | Rear | Fits vehicles with a 3/4 inch bore size. | |
| 1995 | Subaru | Legacy | Wagon | Rear | Fits vehicles with a 3/4 inch bore size. | |
| 1994 | Subaru | Impreza | AWD | Rear | Fits vehicles with a 3/4 inch bore size. | |
| 1993 | Subaru | Impreza | Wagon | AWD | 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.