Dorman W37690 Drum Brake Wheel Cylinder - Rear

Reliable Drum Brake Wheel Cylinder for Toyota Vehicles

The Dorman W37690 drum brake wheel cylinder is engineered to restore proper braking function for select Toyota models. Designed with durable cast iron and precise specifications, this component ensures consistent hydraulic pressure in your 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
• Cast iron construction for strength and durability
• Bore diameter of 1 inch for accurate fitment
• Package contains one drum brake wheel cylinder

Detailed Product Description

The Dorman W37690 drum brake wheel cylinder is specifically designed for Toyota 4Runner, Hilux, Land Cruiser, T100, and Tundra models. Its cast iron casting material provides reliable strength and resistance to wear under demanding braking conditions. The included bleeder screw simplifies maintenance by allowing 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 M10 x 1.0 thread size with a 1.0 pitch ensure compatibility with factory brake lines, facilitating a secure and leak-free connection. With a bore diameter of 1 inch, this wheel cylinder matches OEM specifications to maintain proper hydraulic pressure within the drum brake system.

Common Applications and Issues Addressed

• Restores braking performance in Toyota 4Runner, Hilux, Land Cruiser, T100, and Tundra models
• Replaces leaking or seized drum brake wheel cylinders
• Eliminates brake fluid leaks that cause reduced braking efficiency
• Resolves uneven brake application or pedal softness
• Prevents brake drag caused by stuck pistons

Installation Notes and Tips

• Ensure compatibility with your specific Toyota 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
• Test brake pedal firmness and check for leaks before driving

Quality Assurance and Warranty

Dorman manufactures the W37690 drum brake wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction provides durability under normal operating conditions. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.