Dynamite Friction 4502-46133 Disc Brake Kit - Rear

Rear Brake Kit for Buick Envision and Cadillac XT4

Dynamite Friction DFC GEOSPEC Rotors with 5000 Advanced Brake Pads, part number 4502-46133, is a rear disc brake kit built for select Buick Envision and Cadillac XT4 applications. It combines coated rotors and matched friction material for a service-ready brake replacement with OE-style fitment focus.

• Rear disc brake kit with rotors and pads in one package
• Fits 2022 Buick Envision, rear
• Fits 2021 Buick Envision, rear
• Fits 2022 Cadillac XT4, rear, with silver calipers
• Fits 2021 Cadillac XT4, rear, with silver calipers
• Fits 2019-2020 Cadillac XT4, rear
• DFC GEOSPEC coated rotors resist rust and arrive dry, ready to install
• Non-directional rotor finish supports even pad bed-in and smoother braking
• 5000 Advanced pads are post-cured, scorched, and fitted with rubber-steel-rubber shims

Product Line Details

The DFC GEOSPEC rotor line uses a silver-gray protective coating to help reduce corrosion on exposed surfaces, while the 5000 Advanced pad line is formulated for stable friction performance and reduced noise, vibration, and harshness. Together, they provide a matched rear brake service kit for drivers looking for a direct replacement on the listed Buick Envision and Cadillac XT4 models. Part number 4502-46133 is also a useful reference when verifying the correct rear brake kit for these vehicles.

Common Brake Service Issues

• Rear brake noise such as squeal or light grinding
• Rotor rust or surface corrosion on the braking surface and hat area
• Pulsation or uneven braking from worn rear rotors
• Reduced stopping performance from worn pad friction material
• Brake dust buildup and inconsistent pedal feel during service replacement

Installation Notes

Confirm rear axle fitment before ordering, especially on 2022 Cadillac XT4 models with silver calipers. The rotors are shipped dry and do not require oil removal before installation. For best results, clean the hub mounting surface, inspect caliper hardware and slide pins, and follow the vehicle manufacturer’s brake bedding procedure after installation. Part number 4502-46133 should be matched to the exact year, make, model, and rear position listed above.

Quality Assurance

DFC GEOSPEC rotors are machined to tight tolerances, finished with a non-directional surface, and inspected for balance and critical dimensions to meet OE specifications. The rotors include a 12-month warranty against defects in material and workmanship.