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Dorman W37549 Drum Brake Wheel Cylinder - Rear Right
Overview of Dorman Drum Brake Wheel Cylinder W37549
The Dorman W37549 drum brake wheel cylinder is designed specifically for Mazda RX-7 models, providing reliable brake hydraulics performance. This component is engineered with cast iron for durability and includes a bleeder screw for easy maintenance.
- Compatible with Mazda RX-7 brake systems
- Constructed from durable cast iron casting material
- Bore diameter of 0.75 inches for precise fit
- Includes bleeder screw for brake fluid bleeding
- Brake component inlet thread size: (2) M10 x 1.0
- Thread diameter M10 with 1.0 thread pitch
- Package contains one drum brake wheel cylinder
Detailed Product Description
The Dorman W37549 drum brake wheel cylinder is a critical component in the brake hydraulics system of the Mazda RX-7. Manufactured from cast iron, this wheel cylinder offers strength and resistance to wear under high-pressure braking conditions. The 0.75-inch bore diameter ensures compatibility with the RX-7’s brake system specifications. It features two brake component inlet threads sized M10 x 1.0, allowing secure connection to the brake lines. The included bleeder screw facilitates proper brake fluid bleeding, which is essential for maintaining brake responsiveness and safety. This part is designed to meet the exact fitment requirements of the Mazda RX-7, ensuring reliable braking performance.
Common Applications and Issues Addressed
- Restores proper hydraulic pressure in drum brake systems
- Eliminates brake fluid leaks from worn or damaged wheel cylinders
- Resolves spongy or unresponsive brake pedal feel
- Prevents uneven brake shoe wear caused by cylinder malfunction
- Addresses brake dragging or sticking due to cylinder corrosion
Installation Notes and Tips
When installing the Dorman W37549 drum brake wheel cylinder on a Mazda RX-7, ensure the brake system is fully depressurized before removal. Use the included bleeder screw to properly bleed air from the brake lines after installation. Verify that the M10 x 1.0 inlet threads are securely connected to prevent leaks. Inspect brake shoes and hardware for wear during installation and replace as necessary. Proper torque specifications should be followed to avoid damage to the casting or threads.
Quality Assurance and Warranty
Dorman manufactures the W37549 drum brake wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction provides durability under demanding braking conditions. This part is backed by Dorman’s limited warranty, which covers defects in material and workmanship, ensuring confidence in the product’s reliability for Mazda RX-7 brake system repairs.
| Brand | Dorman |
| Part Number | W37549 |
| Bleeder Screw Cap Included | No |
| Bleeder Screw Included | Yes |
| Bore Diameter | 0.75 |
| Brake Component Inlet Thread Size | (2) M10 x 1.0 |
| Casting Material | Cast Iron |
| Package Contents | 1 Drum Brake Wheel Cylinder |
| Thread Diameter | M10; M10 |
| Thread Pitch | 1 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1985 | Mazda | RX-7 | Rear Right | Fits vehicles with a 3/4 inch bore size. |
| 1984 | Mazda | RX-7 | Rear Right | Fits vehicles with a 3/4 inch bore size. |
| 1983 | Mazda | RX-7 | Rear Right | Fits vehicles with a 3/4 inch bore size. |
| 1982 | Mazda | RX-7 | Rear Right | Fits vehicles with a 3/4 inch bore size. |
| 1981 | Mazda | RX-7 | Rear Right | 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.