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Dorman W37570 Drum Brake Wheel Cylinder - Rear
Reliable Drum Brake Wheel Cylinder for Nissan Vehicles
The Dorman W37570 drum brake wheel cylinder is designed specifically for Nissan Pulsar, Pulsar NX, and Sentra models. Engineered with durable cast iron and precise dimensions, this component ensures consistent brake performance and safety.
- Includes bleeder screw for easy brake fluid bleeding
- Brake line inlet thread diameter: 10 mm
- Brake component inlet thread size: M10 x 1.0 with 1.0 thread pitch
- Bore diameter of 0.688 inches for accurate fitment
- Constructed from cast iron for strength and longevity
- Package contains one drum brake wheel cylinder
Durable Construction and Precise Specifications
The Dorman W37570 wheel cylinder features a cast iron casting material that provides robust resistance to wear and corrosion. Its bore diameter of 0.688 inches is engineered to match the original equipment specifications for Nissan Pulsar, Pulsar NX, and Sentra models. The included bleeder screw simplifies maintenance by allowing efficient removal of air from the brake system. The brake line inlet thread diameter of 10 mm and M10 x 1.0 thread size with a 1.0 pitch ensure compatibility with factory brake lines, facilitating a secure and leak-free connection.
Compatible Nissan Models and Applications
This drum brake wheel cylinder is compatible with the following Nissan vehicles:
- Nissan Pulsar
- Nissan Pulsar NX
- Nissan Sentra
It is designed to replace worn or leaking wheel cylinders in the brake hydraulics system, restoring proper brake function and pedal feel.
Common Issues Addressed by This Wheel Cylinder
- Brake fluid leaks from the wheel cylinder
- Reduced braking efficiency due to cylinder bore wear
- Spongy or soft brake pedal caused by air in the brake lines
- Uneven brake application or dragging brakes
- Corrosion or damage to the original wheel cylinder
Installation Notes and Tips
When installing the Dorman W37570 drum brake wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove any trapped air. Verify that the brake line inlet threads match the M10 x 1.0 specification to avoid cross-threading. Inspect brake shoes and hardware for wear during installation and replace as necessary. Proper torque specifications should be followed to secure the wheel cylinder without damaging the cast iron body.
Quality Assurance and Warranty Information
Dorman manufactures the W37570 wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction provides durability under normal operating conditions. This part is backed by Dorman's limited warranty, which covers defects in material and workmanship, ensuring reliable performance for Nissan Pulsar, Pulsar NX, and Sentra brake systems.
| Brand | Dorman |
|---|---|
| Part Number | W37570 |
| Bleeder Screw Cap Included | No |
| Bleeder Screw Included | Yes |
| Bore Diameter | 0.688 |
| Brake Component Inlet Thread Size | M10 X 1.0 |
| Brake Line Inlet Thread Diameter | 10 |
| Casting Material | Cast Iron |
| Package Contents | 1 Drum Brake Wheel Cylinder |
| Thread Pitch | 1.0 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Fuel Type | Position | Notes |
|---|---|---|---|---|---|
| 1984 | Nissan | Pulsar NX | Rear | Fits drum brakes with 11/16" bore size. | |
| 1984 | Nissan | Sentra | GAS | Rear | Fits drum brakes with 11/16" bore size. |
| 1983 | Nissan | Pulsar | 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 | GAS | Rear | Fits drum brakes with 11/16" bore size. |
| 1982 | Nissan | Sentra | 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.