DFC Geospec Rotors for Heavy-Duty GM Trucks

The Dynamite Friction DFC Geospec Rotor Set, part number 4004-48057, is a front and rear disc brake rotor set for selected Chevrolet Silverado 3500 HD and GMC Sierra 3500 HD dual rear wheel trucks. It is built for 2020-2026 heavy-duty applications where consistent brake service parts matter.

Key Features

• Disc brake rotor set for front and rear positions
• DFC Geospec Rotors product line from Dynamite Friction
• Fits dual rear wheel and DRW configurations only
• Application-specific coverage for Chevrolet Silverado 3500 HD and GMC Sierra 3500 HD
• Part number 4004-48057 for easy catalog matching

Fitment Details

• Fits 2025-2026 Chevrolet Silverado 3500 HD, front and rear, DRW; DFC Geospec Rotors
• Fits 2025-2026 GMC Sierra 3500 HD, front and rear, DRW; DFC Geospec Rotors
• Fits 2020-2024 Chevrolet Silverado 3500 HD, front and rear, Dual Rear Wheels; DFC Geospec Rotors
• Fits 2020-2024 GMC Sierra 3500 HD, front and rear, Dual Rear Wheels; DFC Geospec Rotors

What This Rotor Set Helps Address

• Brake rotor wear on high-load Silverado 3500 HD and Sierra 3500 HD trucks
• Brake pulsation caused by uneven rotor surfaces
• Reduced braking consistency during towing or hauling
• Service replacement needs for front and rear rotor maintenance

Installation Notes

Verify axle configuration and brake package before ordering. This rotor set is listed for front and rear positions on DRW/Dual Rear Wheels trucks only, so match the vehicle year, make, model, and configuration exactly to the fitment table. Part number 4004-48057 should be confirmed against the vehicle’s brake service requirements before installation.

Quality Assurance

DFC Geospec Rotors are part of Dynamite Friction’s brake-focused product line for application-specific service parts. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.