Rear Brake Kit for Buick Regal Sportback

DFC Friction part 4502-46116 is a rear disc brake kit built for 2018-2020 Buick Regal Sportback applications. It combines DFC GEOSPEC coated rotors with 5000 Advanced brake pads for a complete rear brake service package focused on OE-style fit, stable braking, and corrosion resistance.

Key Features

• Rear disc brake kit for 2018-2020 Buick Regal Sportback
• Includes DFC GEOSPEC coated brake rotors and 5000 Advanced brake pads
• Dry-processed rotors arrive ready to install without oil removal
• Silver-gray rotor coating helps resist rust better than conventional paint or zinc finishes
• Non-directional rotor finish supports even pad bed-in and smoother stops
• Post-cured pads are scorched to reduce initial break-in time
• Premium rubber-steel-rubber shims help reduce noise, vibration, and harshness
• Part number 4502-46116 for rear brake replacement service

Product Details

The 4502-46116 brake kit is engineered for drivers servicing the rear brakes on a Buick Regal Sportback. The rotors are manufactured to G3000/G11H18 cast iron specifications, machined to tight tolerances, and inspected for balance and critical dimensions to meet OE requirements. The pads are formulated for stable friction performance and assembled with NVH-focused shims for quieter operation. This DFC GEOSPEC Rotors with 5000 Advanced Brake Pads package is a practical choice when replacing worn rear brake components on the 2018-2020 Buick Regal Sportback.

Common Problems This Kit Can Address

• Rear brake pulsation from worn or uneven rotors
• Reduced stopping performance from depleted brake pads
• Brake noise caused by pad wear or inconsistent contact
• Rust buildup on exposed rotor surfaces
• Longer service time from rotors that require cleaning before installation

Installation Notes

Fits 2018-2020 Buick Regal Sportback, rear. Verify rotor size, pad shape, and rear brake configuration before installation. The rotors are shipped dry and ready for installation, which can reduce prep time during a standard rear brake service. Follow proper brake bedding procedures after installation to help promote even pad transfer and consistent pedal feel.

Quality Assurance

DFC states that each rotor is inspected for balance and critical attributes after machining, and the finished rotors are covered by a 12-month warranty against defects in material and workmanship. Part number 4502-46116 is built to OE specifications for durability, reliability, and stability.