Dorman W37405 Drum Brake Wheel Cylinder - Rear

Reliable Drum Brake Wheel Cylinder for Nissan Vehicles

The Dorman W37405 drum brake wheel cylinder is designed to restore proper braking function for select Nissan models. Engineered with durable aluminum casting and precise dimensions, this component ensures consistent hydraulic pressure in your brake system.

• 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 measures 0.875 inches for accurate fit
• Constructed from corrosion-resistant aluminum casting
• Package contains one drum brake wheel cylinder

Product Details and Specifications

The Dorman W37405 wheel cylinder is specifically designed for Nissan 200SX, 810, and Maxima models, providing a precise fit and reliable performance. Its aluminum casting material offers resistance to corrosion and wear, extending the service life of your brake hydraulics. The bore diameter of 0.875 inches ensures compatibility with the brake shoes and drum assembly. The included bleeder screw simplifies maintenance by allowing efficient removal of air from the brake lines, although the bleeder screw cap is not included. The brake line inlet thread diameter of 10 mm and M10 x 1.0 thread size with a 1.0 pitch provide secure connections to the brake lines.

Compatible Nissan Models and Applications

• Compatible with Nissan 200SX brake systems requiring a 0.875 inch bore wheel cylinder
• Suitable for Nissan 810 models with matching brake hydraulics specifications
• Fits Nissan Maxima vehicles needing a replacement drum brake wheel cylinder with M10 x 1.0 inlet threads

Common Brake Issues Addressed

• Brake pedal feels spongy or soft due to leaking wheel cylinder
• Uneven brake shoe wear caused by malfunctioning hydraulic pressure
• Brake fluid leaks near the drum brake assembly
• Reduced braking efficiency or pulling to one side during braking
• Brake warning light activation related to hydraulic system faults

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
• Verify thread compatibility with existing brake lines (M10 x 1.0 thread size)
• Inspect brake shoes and drums for wear and replace if necessary during installation
• Follow manufacturer torque specifications for mounting bolts and fittings

Quality Assurance and Warranty

Dorman manufactures the W37405 wheel cylinder to meet or exceed OEM standards for fit and function. The aluminum casting provides durability and corrosion resistance under typical operating conditions. This part is backed by Dorman's limited warranty, ensuring coverage against defects in material and workmanship for a specified period. Refer to Dorman's warranty documentation for detailed terms and conditions.