Dorman W37509 Drum Brake Wheel Cylinder - Rear

Reliable Drum Brake Wheel Cylinder for Nissan 720

The Dorman W37509 drum brake wheel cylinder is engineered to restore proper braking function for Nissan 720 models. Designed with precision, this component ensures consistent hydraulic pressure for safe and effective drum brake operation.

• Includes bleeder screw for easy brake bleeding
• Brake line inlet thread diameter: 10 mm
• Brake component inlet thread size: M10 x 1.0 with 1.0 thread pitch
• Durable aluminum casting material for corrosion resistance
• Bore diameter of 0.625 inches for accurate fit and performance
• Package contains one drum brake wheel cylinder

Product Details and Specifications

The Dorman W37509 wheel cylinder is constructed from aluminum casting, providing a balance of strength and corrosion resistance essential for brake hydraulics. Its bore diameter of 0.625 inches is designed to match the original equipment specifications for the Nissan 720, ensuring proper piston movement and hydraulic pressure. The brake line inlet thread diameter is 10 mm, with an M10 x 1.0 thread size and 1.0 thread pitch, compatible with the brake lines on the Nissan 720. This part includes a bleeder screw to facilitate brake system maintenance, although it does not come with a bleeder screw cap.

Compatible Vehicles and Applications

This drum brake wheel cylinder is specifically compatible with Nissan 720 models, providing a direct replacement for worn or leaking wheel cylinders. It is suitable for addressing common brake hydraulic issues such as:

• Brake fluid leaks from the wheel cylinder
• Reduced braking efficiency due to piston wear
• Spongy or soft brake pedal feel
• Uneven brake shoe wear
• Brake drag caused by sticking pistons

Installation Notes and Tips

When installing the Dorman W37509 wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove air and maintain hydraulic integrity. Verify thread compatibility with the brake line inlet (M10 x 1.0) before installation. Inspect brake shoes and hardware for wear or damage during replacement to ensure optimal brake performance.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The W37509 drum brake wheel cylinder undergoes rigorous quality control to ensure durability and reliable operation. Please refer to Dorman's warranty policy for specific coverage details.