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Dorman W7563 Drum Brake Wheel Cylinder - Rear Left
Reliable Drum Brake Wheel Cylinder for Cadillac, Jeep, and Pontiac
The Dorman W7563 drum brake wheel cylinder is engineered to restore proper braking function in select Cadillac, Jeep, and Pontiac models. Designed with durable cast iron and precise dimensions, this component ensures consistent hydraulic pressure for safe and effective braking performance.
- Includes bleeder screw for easy brake system bleeding
- Cast iron construction for strength and durability
- 1-inch bore diameter for accurate fit and function
- Brake line inlet thread diameter of 0.437 inches
- Brake component inlet thread size 7/16-24 UNS
- Package contains one drum brake wheel cylinder
Detailed Product Description
The Dorman W7563 drum brake wheel cylinder is manufactured from cast iron, providing a robust and long-lasting solution for brake hydraulics. Its 1-inch bore diameter and 0.437-inch brake line inlet thread diameter ensure compatibility with the brake systems of various Cadillac models such as the DeVille, Fleetwood, and Eldorado, as well as Jeep J20 trucks and Pontiac Bonneville, Catalina, and Grand Prix vehicles. The included bleeder screw facilitates straightforward brake bleeding, although a bleeder screw cap is not included. The brake component inlet thread size of 7/16-24 UNS matches OEM specifications for a secure connection.
Common Applications and Issues Addressed
- Restores hydraulic pressure in drum brake systems
- Eliminates brake fluid leaks from worn or damaged wheel cylinders
- Resolves uneven or spongy brake pedal feel
- Prevents brake drag caused by stuck pistons
- Improves overall braking responsiveness and safety
Installation Notes and Tips
When installing the Dorman W7563 wheel cylinder, ensure the brake system is fully depressurized and the vehicle is securely lifted. Use the included bleeder screw to properly bleed air from the brake lines after installation. Verify thread compatibility with your vehicle’s brake lines before assembly. It is recommended to inspect brake shoes and hardware during replacement to maintain optimal brake performance.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards, with cast iron construction providing durability under demanding conditions. The W7563 wheel cylinder undergoes rigorous quality control to ensure reliable operation. Warranty coverage details can be obtained from the product documentation or manufacturer.
| Brand | Dorman |
| Part Number | W7563 |
| Bleeder Screw Cap Included | No |
| Bleeder Screw Included | Yes |
| Bore Diameter | 1 |
| Brake Component Inlet Thread Size | 7/16-24 UNS |
| Brake Line Inlet Thread Diameter | 0.437 |
| Casting Material | Cast Iron |
| Package Contents | 1 Drum Brake Wheel Cylinder |
This part fits 19 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1977 | Jeep | J20 | Rear Left | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1976 | Jeep | J20 | Rear Left | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1971 | GMC | G35/G3500 Van | Rear Left | Fits vehicles with front disc brakes featuring a 1-inch bore. |
| 1968 | Cadillac | DeVille | Rear Left | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1968 | Cadillac | Fleetwood | Rear Left | Fits drum brake wheel cylinders, bore size of 1 inch, excluding commercial chassis. |
| 1967 | Cadillac | DeVille | Rear Left | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1967 | Cadillac | Fleetwood | Rear Left | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1964 | Pontiac | Bonneville | Rear Left | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1964 | Pontiac | Catalina | Rear Left | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1964 | Pontiac | Grand Prix | Rear Left | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1963 | Pontiac | Bonneville | Rear Left | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1963 | Pontiac | Catalina | Rear Left | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1963 | Pontiac | Grand Prix | Rear Left | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1962 | Pontiac | Bonneville | Rear Left | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1962 | Pontiac | Catalina | Rear Left | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1961 | Pontiac | Bonneville | Rear Left | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1961 | Pontiac | Catalina | Rear Left | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1960 | Pontiac | Bonneville | Rear Left | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1960 | Pontiac | Catalina | Rear Left | Compatible with 1-inch bore drum brake wheel cylinders. |
* 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.