Dorman W610021 Drum Brake Wheel Cylinder - Rear

Overview of Dorman Drum Brake Wheel Cylinder W610021

The Dorman W610021 drum brake wheel cylinder is engineered for reliable brake hydraulics performance on Nissan Altima models. Designed with durable cast iron construction, this wheel cylinder ensures consistent braking pressure and smooth operation.

• 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 measures 0.75 inches for precise fit
• Constructed from cast iron for strength and durability
• Package contains one drum brake wheel cylinder

Detailed Product Description

The Dorman W610021 drum brake wheel cylinder is specifically designed to meet the brake hydraulics requirements of Nissan Altima vehicles. Its cast iron casting material provides the necessary strength to withstand the pressures of braking systems while resisting corrosion. The bore diameter of 0.75 inches ensures proper piston movement within the cylinder, contributing to effective brake application. The included bleeder screw simplifies maintenance by allowing air to be purged from the brake lines, improving brake responsiveness. The brake line inlet thread diameter of 10 mm and M10 x 1.0 thread size with a 1.0 pitch ensure compatibility with OEM brake lines for a secure connection.

Common Applications and Issues Addressed

• Restores proper hydraulic pressure in drum brake systems
• Eliminates brake fluid leaks from worn or damaged wheel cylinders
• Resolves spongy or unresponsive brake pedal feel
• Prevents brake drag caused by sticking pistons
• Addresses uneven brake shoe wear due to cylinder malfunction

Installation Notes and Tips

When installing the Dorman W610021 wheel cylinder on a Nissan Altima, ensure the brake system is fully depressurized before removal. Use the included bleeder screw to properly bleed air from the brake lines after installation. Verify thread compatibility with existing brake lines to avoid cross-threading. Inspect brake shoes and hardware for wear during installation and replace as necessary to maintain optimal braking performance.

Quality Assurance and Warranty

Dorman manufactures the W610021 wheel cylinder to meet or exceed OEM specifications for Nissan Altima brake hydraulics. The cast iron construction and precise machining contribute to long service life. This part is backed by Dorman's standard warranty coverage, providing confidence in its durability and performance.