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Dorman W40952 Drum Brake Wheel Cylinder - Front Left or Front Right
Reliable Drum Brake Wheel Cylinder for Ford, Jeep, and Mercury
The Dorman W40952 drum brake wheel cylinder is engineered to restore proper braking function for select Ford, Jeep, and Mercury vehicles. Designed with durable cast iron construction and precise specifications, this wheel cylinder ensures consistent hydraulic pressure for safe and effective drum brake operation.
- Includes bleeder screw for easy brake bleeding
- Constructed from cast iron for strength and durability
- 1.125 inch bore diameter for accurate fitment
- Brake component inlet thread size: 3/8-24 UNF
- Thread diameter: 3/8 inch
- Package contains one drum brake wheel cylinder
Durable Construction and Precise Specifications
The Dorman W40952 wheel cylinder features a cast iron casting material that provides long-lasting resistance to wear and corrosion. Its 1.125 inch bore diameter is designed to match original equipment specifications, ensuring proper hydraulic pressure within the drum brake system. The included bleeder screw simplifies maintenance by allowing trapped air to be released during brake servicing. Thread sizes of 3/8-24 UNF for the brake component inlet and 3/8 inch for the thread diameter ensure compatibility with the brake lines and fittings on compatible vehicles.
Compatible Vehicles and Applications
This drum brake wheel cylinder is compatible with various Ford, Jeep, and Mercury models, including the Jeep CJ5 and CJ7, Ford Mustang, Mercury Cougar, and Mercury Montego. The part number W40952 corresponds specifically to these applications, making it a suitable replacement for restoring braking performance on these vehicles.
Common Issues Addressed by This Wheel Cylinder
- Brake fluid leaks from worn or damaged wheel cylinders
- Reduced braking efficiency due to internal cylinder wear
- Spongy or soft brake pedal caused by air in the brake lines
- Uneven brake shoe wear resulting from inconsistent hydraulic pressure
- Brake drag or sticking caused by seized wheel cylinder pistons
Installation Notes and Tips
When installing the Dorman W40952 wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove any air pockets. Verify thread compatibility with existing brake lines and fittings before installation. It is recommended to inspect brake shoes and hardware during replacement to maintain optimal braking performance. Use appropriate tools to avoid damaging the cast iron cylinder during installation.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The W40952 drum brake wheel cylinder undergoes rigorous quality control to ensure reliable performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation for exact warranty terms.
| Brand | Dorman |
|---|---|
| Part Number | W40952 |
| Bleeder Screw Cap Included | No |
| Bleeder Screw Included | Yes |
| Bore Diameter | 1.125 |
| Brake Component Inlet Thread Size | 3/8-24 UNF |
| Casting Material | Cast Iron |
| Package Contents | 1 Drum Brake Wheel Cylinder |
| Thread Diameter | 3/8 |
This part fits 38 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1977 | Jeep | CJ5 | Front Right | Compatible with drum brake systems with a 1.125" bore size. | ||
| 1977 | Jeep | CJ7 | Front Right | Compatible with drum brake systems with a 1.125" bore size. | ||
| 1976 | Jeep | CJ5 | Front Right | Compatible with drum brake systems with a 1.125" bore size. | ||
| 1976 | Jeep | CJ7 | Front Right | Compatible with drum brake systems with a 1.125" bore size. | ||
| 1975 | Jeep | CJ5 | Front Right | Compatible with drum brake systems with a 1.125" bore size. | ||
| 1974 | Jeep | CJ5 | Front Right | Compatible with drum brake systems with a 1.125" bore size. | ||
| 1973 | Ford | Mustang | Front Right | Compatible with drum brake systems with a 1.125" bore size. | ||
| 1972 | Ford | Mustang | Front Right | Compatible with drum brake systems with a 1.125" bore size. | ||
| 1972 | Mercury | Cougar | Front Right | Compatible with drum brake systems with a 1.125" bore size. | ||
| 1971 | Ford | Mustang | Front Right | Compatible with drum brake systems with a 1.125" bore size. | ||
| 1971 | Mercury | Cougar | Front Right | Compatible with drum brake systems with a 1.125" bore size. | ||
| 1971 | Mercury | Montego | Front Right | Compatible with drum brake systems with a 1.125" bore size. | ||
| 1970 | Ford | Mustang | 4.1L | L6 | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1970 | Ford | Mustang | 5.0L | V8 | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1970 | Ford | Mustang | Front Right | Compatible with drum brake systems with a 1.125" bore size. | ||
| 1970 | Mercury | Cougar | Front Right | Compatible with drum brake systems with a 1.125" bore size. | ||
| 1970 | Mercury | Montego | Front Right | Compatible with drum brake systems with a 1.125" bore size. | ||
| 1969 | Ford | Mustang | 4.1L | L6 | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1969 | Ford | Mustang | 5.0L | V8 | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1969 | Ford | Mustang | Front Right | Compatible with drum brake systems with a 1.125" bore size. | ||
| 1969 | Mercury | Montego | 4.1L | L6 | Front Right | Bore: 1.125 In.; Sedan; Coupe |
| 1969 | Mercury | Montego | 5.0L | V8 | Front Right | Bore: 1.125 In.; Sedan; Coupe |
| 1969 | Mercury | Montego | Front Right | Bore: 1.125 In.; Sedan; Coupe | ||
| 1968 | Ford | Mustang | 5.0L | V8 | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1968 | Ford | Mustang | 4.7L | V8 | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1968 | Ford | Mustang | 7.0L | V8 | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1968 | Mercury | Montego | 7.0L | V8 | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1968 | Mercury | Montego | 5.0L | V8 | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1968 | Mercury | Montego | Front Right | Compatible with drum brake systems with a 1.125" bore size. | ||
| 1968 | Mercury | Montego | 3.3L | L6 | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1968 | Mercury | Montego | 4.7L | V8 | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1967 | Ford | Mustang | 4.7L | V8 | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1967 | Ford | Mustang | 7.0L | V8 | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1966 | Ford | Mustang | 4.7L | V8 | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1965 | Ford | Mustang | 4.3L | V8 | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1965 | Ford | Mustang | 4.7L | V8 | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1964 | Ford | Mustang | 4.3L | V8 | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1964 | Ford | Mustang | 4.7L | V8 | Front Right | Compatible with drum brake systems with a 1.125" 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.