DFC GEOSPEC Rear Brake Rotors

The Dynamite Friction DFC Brake Rotors - GEOSPEC Coated set, part number 4002-48039, is a rear disc brake rotor set for heavy-duty Chevrolet and GMC trucks. It is built for direct-fit rear brake service on select Silverado, Sierra, and Suburban 3500 HD and 2500 HD applications.

DFC GEOSPEC coated rotors are part of the DFC Brake Rotors - GEOSPEC Coated line, which focuses on corrosion-resistant rotor protection for daily driving and work-truck use. This rear rotor set is a fitment-based replacement for 2026 through 2011 model years across multiple Silverado and Sierra HD configurations.

• Rear disc brake rotor set for select Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD applications
• GEOSPEC coated finish for added protection on exposed rotor surfaces
• Direct-fit replacement for rear brake service on HD pickup and chassis-style applications listed below
• Part number 4002-48039 for ordering and fitment verification
• Compatible with multiple rear brake configurations, including SRW and parking brake hardware variations where listed

Compatible Vehicle Applications

• Fits 2022-2026 Chevrolet Silverado 2500 HD, rear
• Fits 2025-2026 Chevrolet Silverado 3500 HD, rear, SRW; DFC Geospec Rotors
• Fits 2022-2026 GMC Sierra 2500 HD, rear
• Fits 2025-2026 GMC Sierra 3500 HD, rear, SRW; DFC Geospec Rotors
• Fits 2022-2024 Chevrolet Silverado 3500 HD, rear, Single Rear Wheels; DFC Geospec Rotors
• Fits 2022-2024 GMC Sierra 3500 HD, rear, Single Rear Wheels; DFC Geospec Rotors
• Fits 2016-2021 Chevrolet Silverado 2500 HD, rear
• Fits 2011-2012 Chevrolet Silverado 2500 HD, rear
• Fits 2016-2021 Chevrolet Silverado 3500 HD, rear, Single Rear Wheels; DFC Brake Rotors - GEOSPEC Coated
• Fits 2011-2012 Chevrolet Silverado 3500 HD, rear, Single Rear Wheels; DFC Brake Rotors - GEOSPEC Coated
• Fits 2015-2021 GMC Sierra 2500 HD, rear
• Fits 2011-2012 GMC Sierra 2500 HD, rear
• Fits 2015-2021 GMC Sierra 2500 HD, rear, Heavy Duty - for disc brake pad set; DFC Brake Rotors - GEOSPEC Coated
• Fits 2011-2012 GMC Sierra 2500 HD, rear, Heavy Duty - for disc brake pad set; DFC Brake Rotors - GEOSPEC Coated
• Fits 2015-2021 GMC Sierra 3500 HD, rear, Heavy Duty; Single Rear Wheels; DFC Brake Rotors - GEOSPEC Coated
• Fits 2011-2012 GMC Sierra 3500 HD, rear, Heavy Duty; Single Rear Wheels; DFC Brake Rotors - GEOSPEC Coated
• Fits 2016-2019 Chevrolet Suburban 3500 HD, rear
• Fits 2013-2015 Chevrolet Silverado 2500 HD, rear, Parking Brake with Clip Type Hold Down Spring; DFC Brake Rotors - GEOSPEC Coated
• Fits 2013-2015 Chevrolet Silverado 2500 HD, rear, Parking Brake with Coil Type Hold Down Spring; DFC Brake Rotors - GEOSPEC Coated
• Fits 2013-2015 Chevrolet Silverado 3500 HD, rear, Single Rear Wheels, Parking Brake with Coil Type Hold Down Spring; DFC Brake Rotors - GEOSPEC Coated
• Fits 2013-2015 Chevrolet Silverado 3500 HD, rear, Single Rear Wheels, Parking Brake with Clip Type Hold Down Spring; DFC Brake Rotors - GEOSPEC Coated
• Fits 2013-2014 GMC Sierra 2500 HD, rear, Heavy Duty; Coil Style Spring Parking Brake Shoe Hardware; DFC Brake Rotors - GEOSPEC Coated
• Fits 2013-2014 GMC Sierra 2500 HD, rear, Coil Style Spring Parking Brake Shoe Hardware; DFC Brake Rotors - GEOSPEC Coated
• Fits 2013-2014 GMC Sierra 2500 HD, rear, Clip Style Spring Parking Brake Shoe Hardware; DFC Brake Rotors - GEOSPEC Coated
• Fits 2013-2014 GMC Sierra 2500 HD, rear, Heavy Duty; Clip Style Spring Parking Brake Shoe Hardware; DFC Brake Rotors - GEOSPEC Coated
• Fits 2013-2014 GMC Sierra 3500 HD, rear, Heavy Duty; Single Rear Wheels; Coil Style Spring Parking Brake Shoe Hardware; DFC Brake Rotors - GEOSPEC Coated
• Fits 2013-2014 GMC Sierra 3500 HD, rear, Heavy Duty; Single Rear Wheels; Clip Style Spring Parking Brake Shoe Hardware; DFC Brake Rotors - GEOSPEC Coated

What These Rotors Help Address

• Rear rotor replacement for worn or scored brake surfaces
• Corrosion on exposed rotor areas from road salt and moisture
• Brake pulsation caused by uneven rotor wear
• Service needs on Silverado 2500 HD rear brake rotors and Sierra 2500 HD rear brake rotors
• Rear brake maintenance on Silverado 3500 HD and Sierra 3500 HD single rear wheel applications

Installation Notes

Verify rear axle, parking brake hardware style, and single rear wheel configuration before ordering. This part number 4002-48039 is application-specific, so match the vehicle year, make, model, and rear brake notes exactly to the fitment list. For 2022-2026 Chevrolet Silverado 2500 HD rear brake rotor replacement and 2022-2026 GMC Sierra 2500 HD rear brake rotor replacement, confirm the rear position and trim-specific brake setup before installation.

Quality Assurance

Dynamite Friction DFC GEOSPEC coated rotors are cataloged as a fitment-specific brake component for the listed Chevrolet and GMC HD applications. Part number 4002-48039 should be verified against the vehicle’s rear brake configuration before purchase.