Dynamite Friction 4512-80111 Disc Brake Kit - Rear

Rear Brake Kit for Mazda 3 and Mazda 3 Sport

The Dynamite Friction DFC GEOSPEC Coated Rotors with 5000 Advanced Brake Pads - Ceramic and Hardware kit is built for rear brake service on select 2017-2018 Mazda 3 and Mazda 3 Sport models. Part number 4512-80111 combines coated rotors, ceramic pads, and brake hardware in one disc brake kit for a complete rear axle repair.

Key Features

• Fits 2017-2018 Mazda 3, rear, Japan built, excluding Electric Parking Brake
• Fits 2017-2018 Mazda 3 Sport, rear, Japan built, excluding Electric Parking Brake
• DFC GEOSPEC coated rotors with a silver-gray corrosion-resistant finish
• 5000 Advanced ceramic brake pads with post-cured friction material
• Scorched pads for reduced break-in time and immediate stopping response
• Premium rubber-steel-rubber shims for improved noise and vibration control
• Non-directional rotor finish for smoother pad bed-in and quieter braking
• Part number 4512-80111 for rear brake replacement service

Product Details

DFC’s GEOSPEC rotor line is engineered to match OEM-style cast iron specifications and is machined to tight tolerances for stable braking performance. The coated rotor surface is shipped dry and ready to install, helping reduce prep time during a rear brake job on a Mazda 3 or Mazda 3 Sport. The 5000 Advanced ceramic pads are formulated for consistent friction, while the included hardware kit uses PTFE coating, vulcanized rubber, and stainless steel to support proper caliper movement and reduce brake noise.

This part number 4512-80111 is a practical choice for drivers searching for a rear brake kit for 2017-2018 Mazda 3 Japan built models without Electric Parking Brake, or a rear brake kit for 2017-2018 Mazda 3 Sport Japan built models without Electric Parking Brake.

Common Brake Service Issues

• Rear brake noise, squeal, or vibration
• Rust buildup on worn rotors
• Uneven pad wear from fatigued hardware
• Longer stopping distances from worn friction material
• Reduced braking smoothness during everyday driving

Installation Notes

Confirm rear fitment before ordering: 2017-2018 Mazda 3 and Mazda 3 Sport, Japan built, excluding Electric Parking Brake. The rotors arrive dry and ready for installation, so no oil removal is required before service. For best results, inspect calipers, slides, and parking brake components during replacement and follow proper pad bed-in procedures after installation.

Quality Assurance

DFC GEOSPEC rotors are 100% inspected for critical dimensions and balance, with vented rotors electronically mill-balanced when required. Each rotor is backed by a 12-month warranty against defects in material and workmanship. DFC 5000 Advanced pads are post cured and scorched to support stable friction performance from the first stop.