DFC Geospec Rotors for Heavy-Duty GM Trucks

The Dynamite Friction DFC Geospec Rotor Set, part number 4004-48056, is a front and rear disc brake rotor set for select Chevrolet Silverado HD and GMC Sierra HD applications. It is built for drivers looking for direct-fit brake rotor replacement coverage across multiple heavy-duty truck configurations.

Key Features

• Part number 4004-48056
• DFC Geospec Rotors product line from Dynamite Friction
• Disc brake rotor set for front and rear positions
• Compatible with select Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD applications
• Coverage includes 2011-2026 model years across listed fitments
• Application notes include SRW and parking brake hardware configuration details where required

Detailed Fitment and Application

DFC Geospec Rotors are positioned for heavy-duty GM truck owners who need replacement rotors matched to the vehicle’s brake setup. This part number 4004-48056 covers front and rear rotor applications for Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD models, with additional coverage for Chevrolet Suburban 3500 HD listings.

• Fits 2016-2026 Chevrolet Silverado 2500 HD, front and rear
• Fits 2011-2012 Chevrolet Silverado 2500 HD, front and rear
• Fits 2015-2026 GMC Sierra 2500 HD, front and rear
• Fits 2011-2012 GMC Sierra 2500 HD, front and rear
• Fits 2025-2026 Chevrolet Silverado 3500 HD, front and rear, SRW
• Fits 2016-2024 Chevrolet Silverado 3500 HD, front and rear, single rear wheels
• Fits 2013-2015 Chevrolet Silverado 3500 HD, front and rear, single rear wheels, parking brake with clip type hold down spring
• Fits 2025-2026 GMC Sierra 3500 HD, front and rear, SRW
• Fits 2015-2024 GMC Sierra 3500 HD, front and rear, single rear wheels
• Fits 2013-2014 GMC Sierra 3500 HD, front and rear, clip style spring parking brake shoe hardware
• Fits 2016-2019 Chevrolet Suburban 3500 HD, front and rear
• Fits 2013-2015 Chevrolet Silverado 2500 HD, front and rear, parking brake with clip type hold down spring
• Fits 2013-2014 GMC Sierra 2500 HD, front and rear, coil style spring parking brake shoe hardware

Common Brake Replacement Uses

• Replacing worn or warped front and rear brake rotors
• Addressing brake pulsation during stopping
• Restoring braking performance after rotor scoring or uneven wear
• Matching rotor replacement to SRW or parking brake hardware-specific applications
• Servicing heavy-duty Chevrolet Silverado HD and GMC Sierra HD brake systems

Installation Notes and Tips

Verify the vehicle year, model, and rear-wheel configuration before ordering. Several 3500 HD and 2013-2015 applications require specific parking brake hardware notes, so match the existing brake setup to the fitment listing. For best results, inspect pads, calipers, and hub surfaces during rotor replacement and confirm both front and rear positions are serviced as needed.

Quality Assurance

The DFC Geospec Rotors line is built for direct replacement use on the listed GM heavy-duty truck applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.