Dynamite Friction 4512-73101 Disc Brake Kit - Rear

Rear Brake Kit for Audi S4

Built for rear brake service on the 2004-2009 Audi S4, this DFC brake kit combines GEOSPEC coated rotors, 5000 Advanced ceramic pads, and matching hardware in one application-specific package. It is a direct-fit rear brake solution for drivers looking for OE-style braking performance with added corrosion protection.

Key Features

• Fits 2004-2009 Audi S4, rear
• DFC GEOSPEC coated rotors with a silver-gray corrosion-resistant finish
• DFC 5000 Advanced ceramic brake pads with post-cured friction material
• Scorched pads for reduced initial break-in time
• Premium rubber-steel-rubber shims for improved noise and vibration control
• Dry-processed, ready-to-install rotors with non-directional finish
• Hardware kit uses PTFE coating, vulcanized rubber, and stainless steel
• Part number: 4512-73101

Product Line Details

The DFC Complete Brake Kits line is designed to simplify brake service by combining rotors, pads, and hardware for a single axle. The GEOSPEC rotor coating is intended to resist rust better than conventional paint or zinc finishes, while the 5000 Advanced pad formulation is developed for stable friction performance and quieter operation.

Detailed Description

For rear brake replacement on the Audi S4, part number 4512-73101 provides a matched rotor-and-pad package engineered to OE specifications. The rotors are cast from G3000/G11H18 iron, machined to tight tolerances, finished with a non-directional surface, and inspected for balance and critical dimensions. The pads are 100% post cured and assembled with premium shims to help maintain consistent pedal feel and reduce brake noise. This kit is a practical choice for 2004-2009 Audi S4 rear brake service when you want the components selected to work together from the start.

Common Issues This Kit Can Address

• Rear brake pulsation from worn or uneven rotors
• Brake noise caused by aged pads or fatigued hardware
• Rust buildup on exposed rotor surfaces
• Uneven pad wear from worn disc brake hardware
• Extended brake service time from rotors that require cleaning before installation

Installation Notes and Tips

Fits 2004-2009 Audi S4, rear. Before installation, verify rotor size and rear brake configuration against the vehicle and removed parts. The rotors are shipped dry and ready to install, which helps reduce prep time during service. For proper results, clean the hub mounting surface, inspect caliper condition, and follow the vehicle manufacturer’s brake bedding procedure after installation. This part number is 4512-73101.

Quality Assurance

DFC GEOSPEC rotors are 100% inspected after machining, including balance checks on vented rotors and final verification of critical dimensions. The rotors include a 12-month warranty against defects in material and workmanship. The pad and hardware components are built to support consistent braking performance and OE-style fitment on the Audi S4 rear axle.