DFC 85-93 Chevrolet W4500 TILTMASTER (w/Front Drum Brakes) Rr R Rrwd Brake Wheel Cylinder

Restore dependable rear braking performance with the DFC 375-37012 Brake Wheel Cylinder, designed for select 1985–1993 Chevrolet W4500 Tiltmaster, GMC KS22 and KS32, Isuzu NPR and NPR HD, and W4 Series applications equipped with drum brakes. This rear right wheel cylinder is engineered to work with the vehicle’s existing drum brake system, helping convert hydraulic pressure into consistent brake shoe movement for reliable stopping performance.

The DFC 375-37012 is a practical replacement for a worn, leaking, corroded, or seized wheel cylinder. Replacing a damaged wheel cylinder can help reduce brake fluid loss, restore proper shoe engagement, and support balanced braking at the rear axle. It is intended for rear right positioning and should be verified against the vehicle’s year, model, brake configuration, and original equipment specifications before installation.

Built for automotive service applications, this wheel cylinder provides a direct replacement solution for compatible drum brake systems. Professional installation is recommended, including inspection of the brake shoes, drums, springs, hoses, and brake fluid condition. After installation, bleed the hydraulic system according to the vehicle manufacturer’s service procedure and confirm proper pedal feel and brake operation. This product may contain materials subject to California Proposition 65 warnings.

Features:

• Brand: DFC

• Part Number: 375-37012

• Application: Select 1985–1993 Chevrolet W4500 Tiltmaster, GMC KS22 and KS32, Isuzu NPR and NPR HD, and W4 Series vehicles

• Brake System: Rear drum brake application

• Position: Rear right

• Replacement Function: Helps restore hydraulic pressure transfer and brake shoe engagement

• Vehicle Type: Automotive replacement brake component

• Installation Note: Verify fitment and brake configuration before installation