Dorman W37377 Drum Brake Wheel Cylinder - Rear

Reliable Drum Brake Wheel Cylinder for Dodge and Mitsubishi Trucks

The Dorman W37377 drum brake wheel cylinder is engineered to restore proper braking function for Dodge D50, Mitsubishi Mighty Max, Power Ram 50, and Ram 50 models. Designed with durable cast iron construction, this wheel cylinder ensures consistent performance and longevity in brake hydraulics systems.

Key Features of the Dorman W37377 Wheel Cylinder

• 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
• Cast iron casting material for strength and durability
• Bore diameter of 0.75 inches for precise fitment
• Package contains one drum brake wheel cylinder

Detailed Product Description

The Dorman W37377 drum brake wheel cylinder is specifically designed for use in the brake hydraulics of Dodge and Mitsubishi trucks, including the Dodge D50, Mitsubishi Mighty Max, Power Ram 50, and Ram 50. Its cast iron construction provides reliable resistance to wear and corrosion, essential for maintaining brake system integrity. The included bleeder screw simplifies maintenance by allowing efficient removal of air from the brake lines, improving brake responsiveness. The precise bore diameter of 0.75 inches and M10 x 1.0 brake line inlet thread size ensure compatibility with original equipment specifications.

Common Applications and Issues Addressed

• Restores braking performance in vehicles with leaking or seized wheel cylinders
• Eliminates brake fluid leaks caused by worn seals
• Prevents uneven brake shoe wear due to inconsistent wheel cylinder operation
• Resolves spongy brake pedal feel from trapped air in brake lines
• Replaces corroded or damaged wheel cylinders to maintain brake system safety

Installation Notes and Tips

• Ensure 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 brake lines (M10 x 1.0 thread pitch)
• Inspect brake shoes and hardware for wear during installation
• Follow vehicle manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty

Dorman manufactures the W37377 wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction and precise machining contribute to long service life. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in product reliability.