Dorman W37604 Drum Brake Wheel Cylinder - Rear

Reliable Drum Brake Wheel Cylinder for Nissan 720

The Dorman W37604 drum brake wheel cylinder is engineered to restore proper braking function for Nissan 720 models. Designed with precision, this component ensures consistent hydraulic pressure and smooth 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
• Bore diameter of 0.563 inches for accurate fit
• Package contains one drum brake wheel cylinder

Product Details and Specifications

The Dorman W37604 drum brake wheel cylinder is constructed from aluminum casting, providing corrosion resistance and long-lasting durability. It features a bore diameter of 0.563 inches, designed to match the original equipment specifications for the Nissan 720. The brake line inlet thread diameter is 10 mm, with an M10 x 1.0 thread size and 1.0 thread pitch, ensuring compatibility with the vehicle’s brake hydraulics. This wheel cylinder includes a bleeder screw to facilitate proper brake system bleeding, although it does not come with a bleeder screw cap.

Compatible Nissan 720 Brake Hydraulic Replacement

This wheel cylinder is specifically compatible with Nissan 720 models, making it a suitable replacement part for maintaining or repairing the drum brake system. The Dorman W37604 part number corresponds directly to the required specifications for this vehicle, ensuring a proper fit and function.

Common Brake Issues Addressed

• Brake fluid leaks from worn or damaged wheel cylinders
• Reduced braking efficiency due to cylinder bore wear
• Uneven brake application or dragging brakes
• Brake pedal softness caused by hydraulic system failure
• Corrosion-related brake component failure

Installation Notes and Tips

When installing the Dorman W37604 drum brake wheel cylinder, ensure the brake system is fully depressurized and the vehicle is securely supported. Use the included bleeder screw to properly bleed air from the brake lines after installation. Verify thread compatibility with the brake line inlet (M10 x 1.0) before assembly. Inspect all brake components for wear or damage during replacement to maintain system integrity.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for Nissan 720 brake systems. The W37604 drum brake wheel cylinder undergoes rigorous quality control to ensure durability and proper fit. Warranty coverage details can be obtained from the product documentation or manufacturer.