Dynamite Friction 4512-40138 Disc Brake Kit - Rear

Rear Brake Kit for Ram Heavy-Duty Trucks

DFC GEOSPEC Coated Rotors with 5000 Advanced Brake Pads - Ceramic and Hardware, part number 4512-40138, is a rear disc brake kit built for select Dodge Ram heavy-duty applications. It combines coated rotors, ceramic brake pads, and matching hardware for a complete rear brake service on compatible Ram 2500 and Ram 3500 models, plus select Ram 1500 Mega Cab 8-lug rear applications.

• Rear disc brake kit with rotors, pads, and hardware
• DFC GEOSPEC coated rotors with silver-gray corrosion-resistant finish
• Dry-processed rotors ready for installation
• Non-directional rotor finish for even pad bed-in and smoother braking
• DFC 5000 Advanced ceramic pads with post-cured friction material
• Premium rubber-steel-rubber shims for improved noise and vibration control
• Hardware kit uses PTFE coating, vulcanized rubber, and stainless steel
• Part number 4512-40138 for rear brake service

Product Line Details

The DFC GEOSPEC Coated Rotors line is engineered to match OEM-style durability and stability while adding corrosion protection that helps resist rust better than conventional paint or zinc coatings. The 5000 Advanced Brake Pads are formulated for stable friction performance and are scorched to reduce initial break-in. Together, these components are paired for rear brake replacement on Ram trucks that need consistent stopping performance and quieter operation.

Compatible With Select Ram Rear Applications

• Fits 2006-2008 Dodge Ram 1500, rear, 8 Lug Wheels; Mega Cab; DFC GEOSPEC Coated Rotors with 5000 Advanced Brake Pads - Ceramic and Hardware
• Fits 2003-2008 Dodge Ram 2500, rear, DFC GEOSPEC Coated Rotors with 5000 Advanced Brake Pads - Ceramic and Hardware
• Fits 2003-2008 Dodge Ram 3500, rear, DFC GEOSPEC Coated Rotors with 5000 Advanced Brake Pads - Ceramic and Hardware

Common Brake Issues This Kit Can Address

• Rear brake noise from worn pads or fatigued hardware
• Rust buildup on exposed rotor surfaces
• Uneven braking feel from worn or out-of-spec rear rotors
• Excessive caliper movement caused by aged hardware
• Premature or uneven pad wear on rear axle service

Installation Notes

Verify rear axle configuration, wheel lug count, and model-year fitment before installation. The rotors are shipped dry and ready to install, which reduces prep time during brake service. For proper results, clean all mating surfaces, inspect calipers and slides, and follow the vehicle manufacturer’s brake service procedure during installation of 4512-40138.

Quality Assurance

Each DFC GEOSPEC rotor is machined to tight tolerances, finished with a non-directional surface, and inspected for critical dimensions and balance. The rotors carry a 12-month warranty against defects in material and workmanship.