Dorman W37685 Drum Brake Wheel Cylinder - Rear

Reliable Drum Brake Wheel Cylinder for Nissan Pulsar NX and Sentra

The Dorman W37685 drum brake wheel cylinder is engineered to restore proper braking function for Nissan Pulsar NX and Sentra models. Designed with precision, this component ensures consistent hydraulic pressure within the drum 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
• Durable aluminum casting material for corrosion resistance
• Bore diameter of 0.625 inches for accurate fitment
• Package contains one drum brake wheel cylinder

Detailed Product Description

The Dorman W37685 drum brake wheel cylinder is constructed from aluminum casting material, providing a balance of strength and corrosion resistance essential for brake hydraulics. The bore diameter of 0.625 inches is designed to match the original equipment specifications for Nissan Pulsar NX and Sentra vehicles. This wheel cylinder features a brake line inlet thread diameter of 10 mm and a brake component inlet thread size of M10 x 1.0 with a 1.0 thread pitch, ensuring compatibility with the factory brake lines. The included bleeder screw facilitates straightforward brake fluid bleeding during installation or maintenance, although a bleeder screw cap is not included.

Common Applications and Issues Addressed

• Restores hydraulic pressure in drum brake systems on Nissan Pulsar NX and Sentra
• Replaces leaking or seized wheel cylinders causing brake fluid loss
• Eliminates spongy or unresponsive brake pedal feel
• Prevents uneven brake shoe wear due to cylinder malfunction
• Addresses brake dragging caused by stuck pistons within the cylinder

Installation Notes and Tips

• Ensure brake system is 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 (M10 x 1.0 thread size)
• Inspect brake shoes and hardware for wear during replacement
• Follow manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty

Dorman manufactures the W37685 drum brake wheel cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum casting material offers durability and resistance to corrosion, contributing to long service life. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulic components to ensure customer confidence and product reliability.