Dorman W37958 Drum Brake Wheel Cylinder - Rear Right

Reliable Drum Brake Wheel Cylinder for Accurate Braking

The Dorman W37958 drum brake wheel cylinder is engineered to restore proper brake function in compatible vehicles. Designed with durable cast iron and precise dimensions, this component ensures consistent hydraulic pressure for safe stopping performance.

• Constructed from cast iron for strength and durability
• Bore diameter of 0.875 inches for accurate fitment
• Brake component inlet thread size: (2) M10 x 1.0
• Thread diameter and pitch: M10 with 1.0 pitch
• Includes one drum brake wheel cylinder per package
• Bleeder screw and bleeder screw cap not included

Detailed Product Description

The Dorman W37958 drum brake wheel cylinder is a critical part of the brake hydraulics system, designed to convert hydraulic pressure into mechanical force to push the brake shoes against the drum. Manufactured from cast iron, this wheel cylinder offers reliable resistance to wear and corrosion. The 0.875-inch bore diameter and dual M10 x 1.0 inlet threads provide compatibility with specific vehicle brake systems requiring these specifications. While the bleeder screw and cap are not included, the cylinder is designed to accommodate standard bleeder components for ease of maintenance.

Common Applications and Problem Resolution

• Restores braking performance in vehicles experiencing brake drag or uneven braking
• Replaces leaking or seized wheel cylinders causing brake fluid loss
• Addresses spongy brake pedal feel due to internal cylinder wear
• Eliminates brake noise caused by improper wheel cylinder operation
• Prevents brake failure from compromised hydraulic pressure

Installation Notes and Tips

When installing the Dorman W37958, ensure the brake system is fully depressurized and the vehicle is securely lifted. Clean the brake backing plate and inspect brake shoes for wear before assembly. Use compatible bleeder screws and caps as they are not included with this part. Properly torque the M10 x 1.0 inlet fittings to manufacturer specifications to avoid leaks. Bleed the brake system thoroughly after installation to remove air and restore hydraulic integrity.

Quality Assurance and Warranty Information

Dorman manufactures the W37958 drum brake wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction provides durability under demanding conditions. This part is backed by Dorman's limited warranty, covering defects in material and workmanship to ensure long-term reliability in brake hydraulics applications.