Dorman W73605 Drum Brake Wheel Cylinder - Rear Right

Reliable Drum Brake Wheel Cylinder for Buick and Oldsmobile

The Dorman W73605 drum brake wheel cylinder is engineered to restore proper braking function in select Buick and Oldsmobile models. Designed with durable cast iron and precise specifications, this wheel cylinder ensures consistent hydraulic pressure for safe stopping performance.

• Includes bleeder screw for easy brake fluid bleeding
• Constructed from cast iron for strength and durability
• Bore diameter of 0.938 inches for accurate fitment
• Brake component inlet thread size of 3/8-24 inches
• Thread diameter of 3/8 inch
• Package contains one drum brake wheel cylinder

Durable Construction and Precise Specifications

The Dorman W73605 wheel cylinder features a cast iron casting material that provides long-lasting resistance to wear and corrosion. Its bore diameter of 0.938 inches is designed to match the original equipment specifications for optimal hydraulic pressure and brake response. The included bleeder screw simplifies maintenance by allowing efficient removal of air from the brake system. Thread sizes of 3/8-24 inches for the brake component inlet and 3/8 inch for the thread diameter ensure compatibility with the brake lines and fittings on compatible vehicles.

Compatible Buick and Oldsmobile Models

This drum brake wheel cylinder is compatible with Buick models such as the 98 and Riviera, as well as Oldsmobile models including the Delta 88. The part number W73605 corresponds specifically to these applications, providing a direct replacement for worn or leaking wheel cylinders in the brake hydraulics system.

Common 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

When installing the Dorman W73605 drum brake wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove any trapped air. Verify that the bore diameter and thread sizes match the vehicle’s specifications before installation. It is recommended to inspect brake shoes and hardware during replacement to maintain overall brake system performance.

Quality Assurance and Warranty

Dorman manufactures the W73605 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 to ensure customer confidence in the product.