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Dorman W18291 Drum Brake Wheel Cylinder - Front Right
Overview of Dorman Drum Brake Wheel Cylinder W18291
The Dorman W18291 drum brake wheel cylinder is engineered for reliable brake hydraulics performance in select Ford and Jeep vehicles. Designed with durable cast iron and precise specifications, this component ensures consistent braking response for models like the Ford F-100 and Jeep CJ5.
- Includes bleeder screw for easy brake fluid bleeding
- Constructed from cast iron for strength and durability
- 1.125 inch bore diameter for accurate fit and function
- Brake component inlet thread size: 3/8-24 UNF
- Thread diameter of 3/8 inch for secure installation
- Package contains one drum brake wheel cylinder
Detailed Product Description
The Dorman W18291 drum brake wheel cylinder is a critical component in the brake hydraulics system, designed to convert hydraulic pressure into mechanical force to engage the drum brakes. Its cast iron construction provides resistance to wear and corrosion, extending the service life of the part. The 1.125 inch bore diameter is matched to original equipment specifications, ensuring proper piston movement and brake shoe engagement. The included bleeder screw facilitates maintenance by allowing trapped air to be released from the brake lines, improving braking efficiency. This wheel cylinder features a 3/8-24 UNF brake component inlet thread size and a 3/8 inch thread diameter, compatible with the brake lines of various Ford and Jeep models.
Compatible Vehicles and Applications
This drum brake wheel cylinder is compatible with several Ford and Jeep vehicles, including:
- Ford F-100 and F-250 trucks
- Ford Econoline vans
- Ford Escort and Thunderbird models
- Jeep CJ5 off-road vehicles
When searching for a replacement part for your Ford F-100 or Jeep CJ5, specifying the Dorman part number W18291 ensures you receive the correct fit and function for your brake system.
Common Issues Addressed by This Wheel Cylinder
- Brake fluid leaks from worn or damaged wheel cylinders
- Reduced braking performance due to piston sticking
- Uneven brake shoe wear caused by inconsistent cylinder operation
- Brake pedal sponginess from air trapped in brake lines
- Corrosion-related failure in older brake components
Installation Notes and Tips
- Ensure the brake system is fully depressurized before removal
- Use the included bleeder screw to properly bleed air from the brake lines after installation
- Inspect brake shoes and drums for wear and replace if necessary
- Apply brake fluid compatible lubricant to threads during installation to prevent seizing
- Verify thread sizes (3/8-24 UNF inlet and 3/8 inch diameter) match your vehicle’s brake lines
Quality Assurance and Warranty
Dorman manufactures the W18291 wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction and precise machining contribute to long-term durability. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or contact the distributor for exact warranty terms.
| Brand | Dorman |
|---|---|
| Part Number | W18291 |
| 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 20 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1973 | Jeep | CJ5 | Front Right | Compatible with drum brake systems with a 1.125" bore size. | |
| 1972 | Jeep | CJ5 | Front Right | Compatible with drum brake systems with a 1.125" bore size. | |
| 1971 | Ford | F-100 | RWD | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1970 | Ford | F-100 | RWD | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1969 | Ford | F-100 | RWD | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1968 | Ford | F-100 | RWD | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1967 | Ford | Econoline | Front Right | Compatible with drum brake systems with a 1.125" bore size. | |
| 1967 | Ford | F-100 | RWD | Front Right | Compatible with drum brake systems with a 1.125" bore size. |
| 1966 | Ford | Econoline | Front Right | Compatible with drum brake systems with a 1.125" bore size. | |
| 1965 | Ford | Econoline | Front Right | Compatible with drum brake systems with a 1.125" bore size. | |
| 1965 | Ford | F-250 | Front Right | 1.125 inch bore, 2WD Drum Brake Wheel Cylinder | |
| 1965 | Ford | F-250 | Front Right | Bore size: 1.125 In.; compatible with 4WD vehicles and front axles up to 3,000 lbs. | |
| 1964 | Ford | Econoline | Front Right | Compatible with drum brake systems with a 1.125" bore size. | |
| 1963 | Ford | Econoline | Front Right | Compatible with drum brake systems with a 1.125" bore size. | |
| 1962 | Ford | Econoline | Front Right | Compatible with drum brake systems with a 1.125" bore size. | |
| 1961 | Ford | Econoline | Front Right | ||
| 1957 | Ford | Thunderbird | Front Right | Compatible with drum brake systems with a 1.125" bore size. | |
| 1956 | Ford | Escort | Front Right | Compatible with drum brake systems with a 1.125" bore size. | |
| 1956 | Ford | Thunderbird | Front Right | Compatible with drum brake systems with a 1.125" bore size. | |
| 1955 | Ford | Thunderbird | Front Right |
* 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.