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Dorman W49681 Drum Brake Wheel Cylinder - Rear Right
Reliable Drum Brake Wheel Cylinder for Chevrolet C20 and K20 Suburban
The Dorman W49681 drum brake wheel cylinder is engineered to restore proper braking function for Chevrolet C20 Suburban and K20 Suburban models. Designed with durable cast iron construction, this wheel cylinder ensures consistent performance and longevity in your vehicle's brake hydraulics system.
Key Features of Dorman W49681 Drum Brake Wheel Cylinder
- Includes bleeder screw for easy brake fluid bleeding
- Brake line inlet thread diameter of 0.437 inches
- Brake component inlet thread size: 7/16-24
- Cast iron casting material for strength and durability
- Bore diameter measures 1.125 inches
- Package contains one drum brake wheel cylinder
Detailed Product Description
The Dorman W49681 drum brake wheel cylinder is specifically designed for use in the brake hydraulics system of Chevrolet C20 Suburban and K20 Suburban vehicles. Constructed from cast iron, this wheel cylinder offers reliable resistance to wear and corrosion. The included bleeder screw simplifies maintenance by allowing efficient removal of air from the brake lines, which is critical for maintaining proper brake pressure. With a bore diameter of 1.125 inches and a brake line inlet thread diameter of 0.437 inches, this part meets the precise specifications required for optimal brake function. The brake component inlet thread size of 7/16-24 ensures compatibility with factory brake lines, making installation straightforward.
Common Applications and Issues Addressed
- Restores braking performance in Chevrolet C20 Suburban and K20 Suburban drum brake systems
- Resolves brake fluid leaks caused by worn or damaged wheel cylinders
- Eliminates spongy or soft brake pedal feel due to internal cylinder wear
- Prevents uneven brake shoe wear by maintaining proper hydraulic pressure
- Addresses brake drag issues caused by sticking wheel cylinders
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 hardware for wear during replacement
- Verify thread compatibility with existing brake lines (7/16-24 inlet thread size)
- Follow vehicle manufacturer torque specifications for mounting bolts
Quality Assurance and Warranty Information
Dorman manufactures the W49681 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, ensuring coverage against defects in material and workmanship for a specified period. Always consult the warranty documentation for complete terms and conditions.
| Brand | Dorman |
|---|---|
| Part Number | W49681 |
| Bleeder Screw Cap Included | No |
| Bleeder Screw Included | Yes |
| Bore Diameter | 1.125 |
| Brake Component Inlet Thread Size | 7/16-24 |
| Brake Line Inlet Thread Diameter | 0.437 |
| Casting Material | Cast Iron |
| Package Contents | 1 Drum Brake Wheel Cylinder |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1973 | Chevrolet | C20 Suburban | Rear Right | 1.125 inch cylinder bore size - not compatible with heavy duty brakes. | ||
| 1973 | Chevrolet | K20 Suburban | Rear Right | Compatible with vehicles equipped with Heavy Duty braking systems and a bore size of 1.125 inches. | ||
| 1972 | Chevrolet | C20 Suburban | Rear Right | Bore 1.125 In., Drum Brake Wheel Cylinder suitable for Coil Spring Rear Suspension | ||
| 1972 | Chevrolet | K20 Suburban | Rear Right | Compatible with drum brake systems with a 1.125" bore size. | ||
| 1971 | Chevrolet | C20 Suburban | Rear Right | Fitment: Rear Drum Brake Wheel Cylinder with a 1.125 in. bore, compatible with rear coil springs. | ||
| 1969 | Chevrolet | C20 Suburban | 4.1L | L6 | Rear Right | 1.125-inch bore rear drum brake wheel cylinder fits vehicles with rear coil springs and a 127.0-inch wheelbase. |
| 1969 | Chevrolet | C20 Suburban | 5.0L | V8 | Rear Right | 1.125-inch bore rear drum brake wheel cylinder fits vehicles with rear coil springs and a 127.0-inch wheelbase. |
| 1969 | Chevrolet | C20 Suburban | 4.8L | L6 | Rear Right | 1.125-inch bore rear drum brake wheel cylinder fits vehicles with rear coil springs and a 127.0-inch wheelbase. |
| 1969 | Chevrolet | C20 Suburban | 5.7L | V8 | Rear Right | 1.125-inch bore rear drum brake wheel cylinder fits vehicles with rear coil springs and a 127.0-inch wheelbase. |
| 1968 | Chevrolet | C20 Suburban | 4.1L | L6 | Rear Right | 1.125-inch bore rear drum brake wheel cylinder fits vehicles with rear coil springs and a 127.0-inch wheelbase. |
| 1968 | Chevrolet | C20 Suburban | 4.8L | L6 | Rear Right | 1.125-inch bore rear drum brake wheel cylinder fits vehicles with rear coil springs and a 127.0-inch wheelbase. |
| 1968 | Chevrolet | C20 Suburban | 5.0L | V8 | Rear Right | 1.125-inch bore rear drum brake wheel cylinder fits vehicles with rear coil springs and a 127.0-inch wheelbase. |
| 1968 | Chevrolet | C20 Suburban | 5.3L | V8 | Rear Right | 1.125-inch bore rear drum brake wheel cylinder fits vehicles with rear coil springs and a 127.0-inch wheelbase. |
| 1967 | Chevrolet | C20 Suburban | Rear Right | Bore 1.125 In., Drum Brake Wheel Cylinder suitable for Coil Spring Rear Suspension |
* 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.