Dynamite Friction 4502-42090 Disc Brake Kit - Rear

Rear Brake Kit for Jeep Wrangler

The Dynamite Friction DFC GEOSPEC Rotors with 5000 Advanced Brake Pads kit is a rear disc brake service kit built for 2018-2022 Jeep Wrangler applications with standard brakes. Part number 4502-42090 combines coated rear rotors and matched pads in one package for a straightforward brake service.

For Jeep Wrangler rear brake replacement, this kit brings together rotor and pad components engineered to work as a set. It is a practical choice for drivers looking for OE-style fitment, corrosion protection, and consistent braking performance from the first stop.

Key Features

• Rear disc brake kit for 2018-2022 Jeep Wrangler
• Part number 4502-42090
• DFC GEOSPEC coated rotors with a silver-gray corrosion-resistant finish
• 5000 Advanced brake pads with post-cured friction material
• Scorched pad surface to reduce initial break-in time
• Rubber-steel-rubber shims for improved noise, vibration, and harshness control
• Rotors machined to tight tolerances with a non-directional finish for smoother pad bedding

Product Details

The DFC GEOSPEC Rotors with 5000 Advanced Brake Pads line is built for drivers who want a complete rear brake service package without piecing together separate components. The rotors are coated to help resist rust, shipped dry, and ready for installation. They are manufactured to OE-style cast iron specifications and finished for even pad contact and quieter operation. The pads are formulated for stable friction performance and are assembled with shims that help reduce brake noise and harshness.

This part number 4502-42090 is listed for 2021-2022 Jeep Wrangler rear applications with standard brakes and 328mm rear disc, as well as 2018-2020 Jeep Wrangler rear applications. It is a direct-fit service kit for rear brake maintenance on Jeep Wrangler models in the confirmed fitment range.

Common Reasons to Replace

• Rear brake noise, squeal, or vibration
• Rust or corrosion on existing rear rotors
• Reduced braking response from worn pads
• Uneven pad bedding or brake pulsation
• Need for a complete rear brake refresh on a Jeep Wrangler

Installation Notes

Confirm rear brake configuration before ordering, especially on 2021-2022 Jeep Wrangler models with standard brakes and 328mm rear disc. The rotors are processed dry and ready to install, which helps reduce prep time during service. Follow proper brake service procedures, clean mating surfaces, and bed the pads according to the vehicle service guidelines after installation.

Quality Assurance

DFC GEOSPEC rotors are inspected for critical dimensions and balance, and each rotor is covered by a 12-month warranty against defects in material and workmanship. The pad and rotor combination is engineered to meet OE-style requirements for durability, reliability, and stable braking performance.