Dorman W37997 Drum Brake Wheel Cylinder - Rear

Reliable Drum Brake Wheel Cylinder for Ford and Mercury Vehicles

The Dorman W37997 drum brake wheel cylinder is engineered to restore proper braking function for select Ford and Mercury models. Designed with durable cast iron and precise specifications, this component ensures consistent hydraulic pressure in your vehicle's drum brake system.

• 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
• Bore diameter of 0.875 inches for accurate fitment
• Constructed from cast iron for strength and longevity
• Package contains one drum brake wheel cylinder

Detailed Product Description

The Dorman W37997 drum brake wheel cylinder is specifically designed for compatibility with Ford Contour, Mercury Cougar, and Mercury Mystique models. Its cast iron construction provides the necessary durability to withstand the hydraulic pressures within the brake system. The included bleeder screw simplifies maintenance by allowing for efficient removal of air from the brake lines, which is critical for maintaining optimal brake performance. The brake line inlet thread diameter of 10 mm and the M10 x 1.0 thread size with a 1.0 pitch ensure a secure and leak-free connection to the brake lines. With a bore diameter of 0.875 inches, this wheel cylinder matches OEM specifications to provide reliable braking response.

Common Applications and Issues Addressed

• Restores braking performance in Ford Contour, Mercury Cougar, and Mystique drum brake systems
• Replaces leaking or seized wheel cylinders causing brake fluid loss
• Eliminates spongy or unresponsive brake pedal feel due to hydraulic failure
• Prevents uneven brake wear caused by malfunctioning wheel cylinders
• Addresses brake drag or sticking issues related to wheel cylinder malfunction

Installation Notes and Tips

• Ensure compatibility with your vehicle’s make and model before installation
• Use the included bleeder screw to properly bleed the brake system after installation
• Inspect brake lines and hardware for wear or damage during replacement
• Follow manufacturer torque specifications for brake line fittings to avoid leaks
• Test brake pedal firmness and check for leaks before driving

Quality Assurance and Warranty

Dorman manufactures the W37997 drum brake 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 and reliable braking performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or your supplier for exact warranty terms.