Dynamite Friction 4512-21091 Disc Brake Kit - Rear

Rear Brake Kit for Hyundai, Kia Applications

The DFC Geospec Rotors with 5000 Advanced Brake Pads kit is a rear disc brake service solution for select Hyundai and Kia vehicles. Part number 4512-21091 combines coated rotors, advanced friction pads, and brake hardware for a complete rear brake refresh.

Key Features

• Rear disc brake kit for select 2022-2026 Hyundai Santa Cruz, 2024-2026 Hyundai Santa Fe, 2022-2026 Kia Carnival, and 2024-2026 Kia Sorento applications
• DFC 5000 Advanced Brake Pads are post-cured and scorched to support stable friction performance and reduced initial break-in
• Premium rubber-steel-rubber shims are used to improve noise, vibration, and harshness control
• GeoSpec coated rotors feature a silver-gray protective finish that resists rust better than conventional paint or zinc coatings
• Rotors are shipped dry and ready to install, with a non-directional finish for more even pad bed-in and smoother braking
• Hardware kit uses PTFE coating, vulcanized rubber, and stainless steel for OE-style fit and function

Product Details

DFC Geospec Rotors with 5000 Advanced Brake Pads includes Hardware, part number 4512-21091, is built for rear brake service on Hyundai Santa Cruz, Hyundai Santa Fe, Kia Carnival, and Kia Sorento models listed in the fitment data. The rotor castings are made to G3000/G11H18 cast iron specifications and machined to tight tolerances, then inspected for balance and critical dimensions to support OE-level consistency. The pad formulation is developed with input from OEM friction suppliers and assembled with shims that help control brake noise and vibration. This rear brake kit is a practical choice when replacing worn rotors, pads, and hardware together on the same axle.

Common Reasons to Replace

• Brake pulsation or rotor thickness variation
• Squealing, grinding, or uneven rear brake noise
• Reduced stopping performance from worn pad friction material
• Corrosion on rear rotors or hardware
• Excessive caliper movement caused by fatigued brake hardware

Installation Notes

Compatible With rear brake service on 2022-2026 Hyundai Santa Cruz, 2024-2026 Hyundai Santa Fe, 2022-2026 Kia Carnival, and 2024-2026 Kia Sorento. Clean the hub mounting surface before installation, verify rotor runout, and follow the vehicle manufacturer’s torque specifications. Because the rotors are shipped dry, no oil removal is required before installation. Proper pad bedding after installation helps establish consistent braking performance.

Quality Assurance

DFC manufactures the 5000 Advanced pads with post-curing and scorching steps to improve friction consistency, and the GeoSpec rotors are 100% inspected after machining to confirm critical dimensions and OE specifications. The rotors include a 12-month warranty against defects in material and workmanship. Part number 4512-21091 is engineered as a complete rear brake service kit for the listed Hyundai and Kia applications.