Dorman W37535 Drum Brake Wheel Cylinder - Rear, Rear Left or Rear Right

Reliable Drum Brake Wheel Cylinder for GM Vehicles

The Dorman W37535 drum brake wheel cylinder is engineered to restore proper braking function for select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. Designed with durable cast iron and a precise 16mm bore diameter, this wheel cylinder ensures consistent hydraulic pressure for safe stopping performance.

• Includes bleeder screw for easy brake system bleeding
• Constructed from cast iron for strength and durability
• 16mm bore diameter optimized for specific GM drum brake systems
• Brake component inlet thread size: 3/8-24 inches
• Thread diameter: 3/8 inch for secure fitting
• Package contains one drum brake wheel cylinder

Durable Construction and Precise Fitment

The Dorman W37535 wheel cylinder is made from cast iron, providing reliable resistance to wear and corrosion in brake hydraulics. Its 16mm bore diameter matches original equipment specifications for a range of GM vehicles, including the Buick Century, Cadillac Calais, Chevrolet Cavalier, Oldsmobile Cutlass Ciera, and Pontiac Grand Am. The included bleeder screw simplifies brake fluid maintenance, although the bleeder screw cap is not included. Thread sizes of 3/8-24 inches ensure compatibility with factory brake lines and fittings.

Compatible GM Models and Applications

This drum brake wheel cylinder is compatible with multiple GM makes and models, including:

• Buick Century and Skylark
• Cadillac Calais
• Chevrolet Cavalier and Corsica
• Oldsmobile Cutlass Ciera and Firenza
• Pontiac Grand Am, Sunbird, and J2000

Use the Dorman W37535 to replace worn or leaking wheel cylinders in these vehicles to maintain proper brake hydraulics and vehicle safety.

Common Issues Addressed by This Wheel Cylinder

• Brake fluid leaks causing reduced hydraulic pressure
• Uneven or spongy brake pedal feel
• Brake drag or sticking due to cylinder seal failure
• Corrosion or pitting inside the wheel cylinder bore
• Brake system contamination affecting cylinder operation

Installation Notes and Tips

When installing the Dorman W37535 wheel cylinder, ensure the brake system is fully depressurized and the vehicle is securely supported. Use the included bleeder screw to properly bleed air from the brake lines after installation. Inspect brake shoes and hardware for wear and replace as necessary. Verify thread compatibility with existing brake lines before installation to avoid cross-threading.

Quality Assurance and Warranty

Dorman wheel cylinders are manufactured to meet or exceed OEM specifications for fit, form, and function. The W37535 part number undergoes rigorous quality control to ensure durability and reliable braking performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.