Dorman 924-021 Brake Dust Shield - Rear

Durable Brake Dust Shield for Chevrolet and GMC 3500 Series

The Dorman 924-021 brake dust shield is engineered to provide reliable protection for the rear disc brakes on select Chevrolet and GMC heavy-duty trucks. Constructed from rust-resistant steel, this black dust shield helps maintain brake system integrity by shielding components from dust and debris.

• Made from durable steel with a 1 mm thickness for strength and longevity
• Black finish offers corrosion resistance and a clean appearance
• Designed for rear disc brakes, compatible with left and right sides
• Measures 325 mm in diameter with a 102 mm inside diameter
• Includes 2 brake dust shields per package for complete axle coverage
• Features 4 mounting holes for secure installation
• Rust-resistant construction extends service life in harsh conditions

Product Details and Specifications

The Dorman 924-021 brake dust shield is specifically designed for rear disc brake applications on Chevrolet Express 3500, GMC Savana 3500, Sierra 3500, and Silverado 3500 models. Its circular shape and precise dimensions (325 mm outside diameter and 102 mm inside diameter) ensure a proper fit and effective coverage. The steel material with a 1 mm thickness provides a sturdy barrier against brake dust, dirt, and moisture, helping to prevent premature wear of brake components. The black finish enhances corrosion resistance, making it suitable for use in demanding environments.

Compatible Vehicles and Applications

• Chevrolet Express 3500 rear disc brake dust shield replacement
• GMC Savana 3500 rear left and right disc brake protection
• GMC Sierra 3500 rear disc brake dust shield installation
• Chevrolet Silverado 3500 rear disc brake shield upgrade

Common Issues Addressed by This Brake Dust Shield

• Prevents brake dust accumulation on brake components
• Protects brake rotors and calipers from dirt and debris
• Reduces corrosion risk on rear disc brake assemblies
• Helps maintain brake performance and longevity
• Minimizes exposure to moisture and road contaminants

Installation Notes and Tips

Ensure the brake assembly is clean before installing the dust shield. The Dorman 924-021 requires mounting to the rear disc brake assembly using the existing hardware, as mounting hardware is not included. Verify the correct orientation for left or right side installation. Tighten mounting bolts to manufacturer specifications to avoid movement or noise during operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 924-021 brake dust shield is made from rust-resistant steel to provide long-lasting durability. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts to ensure customer confidence and product reliability.