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Dorman W37569 Drum Brake Wheel Cylinder - Rear
Reliable Drum Brake Wheel Cylinder for Nissan Pulsar NX and Sentra
The Dorman W37569 drum brake wheel cylinder is engineered to restore proper braking function for Nissan Pulsar NX and Sentra models. Designed with durable cast iron construction, this wheel cylinder ensures consistent performance and longevity in your vehicle's brake hydraulics system.
- Includes bleeder screw for easy brake fluid bleeding
- Constructed from cast iron for strength and durability
- Bore diameter of 0.688 inches for precise fitment
- Brake component inlet thread size: (2) M10 x 1.25
- Thread diameter M10 with a 1.25 thread pitch
- Package contains one drum brake wheel cylinder
Durable Cast Iron Construction and Precise Specifications
This Dorman drum brake wheel cylinder (part number W37569) features a cast iron casting material that provides resistance to wear and corrosion, essential for maintaining brake system integrity. The bore diameter of 0.688 inches is designed to match OEM specifications, ensuring proper hydraulic pressure and brake shoe movement. The dual M10 x 1.25 inlet threads allow secure connection to brake lines, facilitating reliable brake fluid flow. The included bleeder screw simplifies the brake bleeding process, although a bleeder screw cap is not included.
Compatible Nissan Models and Common Applications
This wheel cylinder is compatible with Nissan Pulsar NX and Sentra vehicles, making it a suitable replacement part for brake hydraulic repairs on these models. It is intended for use in drum brake systems where wheel cylinder failure may cause issues such as brake fluid leaks, reduced braking efficiency, or uneven brake shoe wear.
- Resolves brake fluid leakage from worn or damaged wheel cylinders
- Restores proper brake shoe retraction and engagement
- Eliminates spongy or soft brake pedal feel caused by hydraulic issues
- Prevents uneven brake shoe wear and potential brake noise
Installation Notes and Tips for Nissan Brake Systems
When installing the Dorman W37569 drum brake 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 existing brake lines (M10 x 1.25) before assembly. It is recommended to inspect brake shoes and hardware during installation to ensure overall brake system reliability.
Quality Assurance and Warranty Information
Dorman manufactures this wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction and precise machining contribute to consistent braking performance. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship under normal use.
| Brand | Dorman |
| Part Number | W37569 |
| Bleeder Screw Cap Included | No |
| Bleeder Screw Included | Yes |
| Bore Diameter | 0.688 |
| Brake Component Inlet Thread Size | (2) M10 x 1.25 |
| Casting Material | Cast Iron |
| Package Contents | 1 Drum Brake Wheel Cylinder |
| Thread Diameter | M10; M10 |
| Thread Pitch | 1.25 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Fuel Type | Position | Notes |
|---|---|---|---|---|---|
| 1986 | Nissan | Pulsar NX | Rear | Fits drum brakes with 11/16" bore size. | |
| 1986 | Nissan | Sentra | Rear | Fits drum brakes with 11/16" bore size. | |
| 1985 | Nissan | Pulsar NX | Rear | Fits drum brakes with 11/16" bore size. | |
| 1985 | Nissan | Sentra | Rear | Fits drum brakes with 11/16" bore size. | |
| 1984 | Nissan | Pulsar NX | Rear | Fits drum brakes with 11/16" bore size. | |
| 1984 | Nissan | Sentra | DIESEL | Rear | Fits drum brakes with 11/16" bore size. |
| 1983 | Nissan | Pulsar NX | Rear | Fits drum brakes with 11/16" bore size. | |
| 1983 | Nissan | Sentra | DIESEL | Rear | Fits drum brakes with 11/16" 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.