Dorman W37425 Drum Brake Wheel Cylinder - Rear

Overview of Dorman Drum Brake Wheel Cylinder W37425

The Dorman W37425 drum brake wheel cylinder is engineered to restore reliable braking performance for vehicles requiring a 0.625 inch bore diameter component. Designed with cast iron construction and a bleeder screw included, this wheel cylinder supports safe and efficient brake hydraulics operation.

• Cast iron casting material for durability and strength
• 0.625 inch bore diameter for precise fitment
• Includes bleeder screw for easy brake fluid bleeding
• Brake line inlet thread diameter of 10 mm with M10 x 1.0 thread size and 1.0 thread pitch
• Package contains one drum brake wheel cylinder

Technical Details and Specifications

The Dorman W37425 wheel cylinder features a cast iron body that withstands the rigors of brake system pressure and heat. Its 0.625 inch bore diameter ensures compatibility with specific drum brake assemblies. The brake line inlet thread diameter is 10 mm, with an M10 x 1.0 thread size and a 1.0 thread pitch, providing a secure connection to brake lines. A bleeder screw is included to facilitate proper brake fluid evacuation during installation or maintenance, although a bleeder screw cap is not provided.

Compatible Vehicles and Applications

This drum brake wheel cylinder is suitable for vehicles that require a 0.625 inch bore diameter and M10 x 1.0 brake line inlet threads. It is commonly used in various domestic and import models that utilize drum brake systems with these specifications. When searching for replacement parts, referencing the Dorman part number W37425 ensures accurate fitment and compatibility.

Common Issues Addressed by the W37425 Wheel Cylinder

• Brake fluid leaks from worn or damaged wheel cylinders
• Reduced braking efficiency due to cylinder bore wear
• Brake pedal sponginess caused by air in the brake lines
• Uneven brake shoe wear resulting from cylinder malfunction
• Corrosion or casting damage compromising brake hydraulics

Installation Notes and Tips

Before installation, verify that the bore diameter and thread specifications match the vehicle’s brake system requirements. Use the included bleeder screw to properly bleed the brake system after installation to remove air and ensure optimal brake performance. Inspect brake lines and fittings for damage or corrosion and replace as necessary. Proper torque specifications should be followed to avoid damage to threads or brake components.

Quality Assurance and Warranty Information

Dorman manufactures the W37425 wheel cylinder to meet or exceed OEM standards for brake hydraulics components. The cast iron construction provides durability and resistance to wear. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.