Dorman W3730 Drum Brake Wheel Cylinder - Front Right

Reliable Drum Brake Wheel Cylinder for Accurate Braking

The Dorman W3730 drum brake wheel cylinder is engineered to restore proper brake function in compatible vehicles. Designed with durable cast iron and precise dimensions, this wheel cylinder ensures consistent hydraulic pressure for safe stopping performance.

• Includes bleeder screw for easy brake bleeding
• Cast iron construction for strength and durability
• 1.25 inch bore diameter for reliable hydraulic operation
• Brake line inlet thread diameter of 0.437 inches (7/16-20 thread size)
• Package contains one drum brake wheel cylinder (part number W3730)

Durable Construction and Precise Specifications

The Dorman W3730 wheel cylinder features a cast iron casting material that provides long-lasting resistance to wear and corrosion. Its 1.25 inch bore diameter is designed to deliver consistent hydraulic pressure to the brake shoes, ensuring smooth and effective braking. The included bleeder screw simplifies maintenance by allowing trapped air to be released from the brake system, improving brake responsiveness. The brake line inlet thread size of 7/16-20 (0.437 inch diameter) ensures compatibility with standard brake lines used in many vehicles.

Compatible Vehicles and Applications

This drum brake wheel cylinder is compatible with various makes and models that require a 1.25 inch bore diameter and 7/16-20 brake line inlet thread size. It is commonly used in older domestic and import vehicles equipped with drum brake systems. For example, it fits certain Ford, Chevrolet, and Dodge models that utilize this specification. Always verify fitment with your vehicle’s service manual or parts catalog before installation.

Common Issues Addressed by the Dorman W3730

• Brake fluid leaks from worn or damaged wheel cylinders
• Spongy or unresponsive brake pedal due to air in brake lines
• Uneven brake shoe wear caused by malfunctioning wheel cylinders
• Reduced braking efficiency from corroded or seized components
• Brake drag or sticking due to internal cylinder failure

Installation Notes and Tips

When installing the Dorman W3730 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 the brake system after installation to remove any trapped air. Inspect brake shoes and hardware for wear and replace as necessary to maintain optimal braking performance. Follow manufacturer torque specifications for all fittings and connections.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The W3730 drum brake wheel cylinder undergoes rigorous quality control to ensure proper fit and function. This part is backed by Dorman’s limited warranty against defects in material and workmanship, offering peace of mind for professional and DIY installers.