Dorman W37984 Drum Brake Wheel Cylinder - Rear

Reliable Drum Brake Wheel Cylinder for Chrysler and Dodge Vehicles

The Dorman W37984 drum brake wheel cylinder is engineered to restore proper braking function in select Chrysler, Dodge, and Plymouth models. Designed with durable cast iron and precise specifications, this component ensures consistent hydraulic pressure for safe and effective braking performance.

• Includes bleeder screw for easy brake system bleeding
• Constructed from cast iron for strength and durability
• Bore diameter of 0.688 inches for accurate fitment
• Brake component inlet thread size of 3/8-24 inches
• Thread diameter of 3/8 inch for secure installation
• Package contains one drum brake wheel cylinder

Durable Construction and Precise Specifications

The Dorman W37984 wheel cylinder features a cast iron casting material that provides long-lasting resistance to wear and corrosion. Its bore diameter of 0.688 inches is designed to match the original equipment specifications, ensuring proper hydraulic pressure within the brake system. The included bleeder screw simplifies maintenance by allowing trapped air to be released, which is critical for maintaining brake responsiveness. The brake component inlet thread size of 3/8-24 inches and thread diameter of 3/8 inch ensure compatibility with the brake lines on compatible vehicles.

Compatible Chrysler, Dodge, and Plymouth Models

This drum brake wheel cylinder is compatible with several popular minivan models, including the Chrysler Caravan, Grand Caravan, Grand Voyager, Town & Country, and the Plymouth Voyager. When replacing the wheel cylinder on these vehicles, using the Dorman W37984 part number guarantees a proper fit and reliable braking performance.

Common Brake Issues Addressed by This Wheel Cylinder

• Brake fluid leaks from worn or damaged wheel cylinders
• Reduced braking efficiency due to hydraulic pressure loss
• Spongy or soft brake pedal feel caused by air in the brake lines
• Uneven brake shoe wear resulting from malfunctioning wheel cylinders
• Brake dragging or sticking due to seized cylinder pistons

Installation Notes and Tips

Before installation, ensure the brake system is fully depressurized and the vehicle is securely lifted. Replace the wheel cylinder with the Dorman W37984 part, making sure to properly thread the brake line fittings to avoid leaks. Use the included bleeder screw to remove air from the brake system after installation. It is recommended to inspect and replace brake shoes and hardware as needed during this service to maintain optimal braking performance.

Quality Assurance and Warranty Information

Dorman manufactures the W37984 drum brake wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction and precise machining contribute to its durability and reliability. This part is backed by Dorman's limited warranty, providing confidence in its quality and performance for compatible Chrysler, Dodge, and Plymouth vehicles.