Dorman W37307 Drum Brake Wheel Cylinder - Rear

Reliable Drum Brake Wheel Cylinder for Precise Braking

The Dorman W37307 drum brake wheel cylinder is engineered to restore proper brake function in compatible vehicles. Designed with a durable cast iron construction and precise bore diameter, this component ensures consistent hydraulic pressure for safe stopping performance.

• Constructed from cast iron for strength and durability
• Bore diameter of 0.688 inches for accurate fitment
• Brake line inlet thread size M10 x 1.0 with 10mm diameter
• Thread pitch of 1.0 for secure brake line connection
• Includes one drum brake wheel cylinder per package
• No bleeder screw or bleeder screw cap included

Detailed Product Description

The Dorman W37307 drum brake wheel cylinder is a critical component in the brake hydraulics system, responsible for converting hydraulic pressure into mechanical force to push the brake shoes against the drum. Its cast iron casting material provides resistance to wear and corrosion, extending the service life of the part. The 0.688-inch bore diameter is designed to match specific vehicle requirements, ensuring proper hydraulic pressure and brake response. The brake line inlet thread size of M10 x 1.0 with a 10mm diameter and 1.0 thread pitch allows for a secure and leak-free connection to the brake line. This wheel cylinder is compatible with various vehicle makes and models that require these specifications, making it suitable for replacement in many drum brake systems.

Common Applications and Issues Addressed

• Restores braking performance in vehicles with leaking or seized wheel cylinders
• Eliminates brake fluid leaks caused by worn or damaged seals
• Prevents uneven brake shoe wear due to inconsistent hydraulic pressure
• Resolves spongy or soft brake pedal feel related to faulty wheel cylinders
• Addresses brake drag issues caused by sticking pistons within the cylinder

Installation Notes and Tips

When installing the Dorman W37307 drum brake wheel cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Verify that the brake line inlet threads match the vehicle’s brake line fittings to avoid leaks. Since this part does not include a bleeder screw or cap, use the existing hardware or source compatible components as needed. Inspect brake shoes and drums for wear during installation and replace if necessary to maintain optimal braking performance.

Quality Assurance and Warranty

Dorman manufactures the W37307 wheel cylinder to meet or exceed OEM specifications, using cast iron for durability and reliable performance. While specific warranty details are not provided, Dorman products typically undergo rigorous quality control to ensure consistent function and longevity in brake hydraulic systems.