Dorman W37580 Drum Brake Wheel Cylinder - Rear Left

Reliable Drum Brake Wheel Cylinder for Honda Civic and Prelude

The Dorman W37580 drum brake wheel cylinder is engineered to restore proper braking function for Honda Civic and Prelude models. Designed with durable cast iron and precise specifications, this wheel cylinder ensures consistent hydraulic pressure for safe and effective braking performance.

Key Features of the Dorman W37580 Wheel Cylinder

• Constructed from cast iron for strength and durability
• Includes bleeder screw for easy brake system bleeding
• Bore diameter of 0.688 inches for accurate fitment
• Brake component inlet thread size: (2) M10 x 1.0
• Thread diameter M10 with a 1.0 thread pitch
• Package contains one drum brake wheel cylinder

Detailed Product Description

The Dorman W37580 drum brake wheel cylinder is specifically designed for Honda Civic and Prelude vehicles, providing a direct replacement for worn or damaged components. Its cast iron construction offers resistance to corrosion and wear, ensuring long-lasting performance under demanding braking conditions. The included bleeder screw simplifies maintenance by allowing efficient removal of air from the brake hydraulics, which is critical for maintaining proper brake pedal feel and responsiveness. The precise bore diameter of 0.688 inches and standardized M10 x 1.0 thread sizes ensure compatibility with the original brake system fittings, facilitating straightforward installation and reliable operation.

Common Applications and Issues Addressed

• Restores braking pressure lost due to leaking or seized wheel cylinders
• Eliminates brake fluid leaks at the drum brake assembly
• Resolves uneven brake shoe wear caused by malfunctioning wheel cylinders
• Improves brake pedal feel and responsiveness
• Prevents brake drag and overheating from stuck pistons

Installation Notes and Tips

When installing the Dorman W37580 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. Verify that the thread sizes match the vehicle’s brake line fittings to avoid cross-threading. Inspect brake shoes and hardware for wear and replace as necessary to maintain optimal braking performance.

Quality Assurance and Warranty Information

Dorman manufactures the W37580 wheel cylinder to meet or exceed OEM specifications for Honda Civic and Prelude models. The cast iron construction and precise machining contribute to reliable, long-term service. This part is backed by Dorman’s standard warranty coverage, providing confidence in its durability and fitment.