Dynamite Friction 4000-2189-00 Disc Brake Pad Set - Rear

Rear Brake Pads for Buick and Cadillac

Dynamite Friction DFC 4000 HybriDynamic Brake Pads deliver consistent pedal feel and responsive braking for daily driving. This rear disc brake pad set is built for drivers who want dependable stopping performance, low dust, and reduced noise without overcomplicating the replacement choice. Part number 4000-2189-00 is a direct fit for select Buick Envision, Cadillac XT4, and Buick Regal Sportback rear applications.

Key Features

• Hybrid friction material for balanced braking response
• Low-dust and low-noise characteristics for cleaner, quieter operation
• Integrally molded friction material attachment for stable pad construction
• Four-pad set for rear disc brake service
• Prepared for a mechanical pad wear sensor
• Outer and inner pads measure 106.6 mm wide, 48.8 mm high, and 16.9 mm thick

DFC 4000 HybriDynamic Line

The DFC 4000 HybriDynamic Brake Pads line is positioned for drivers who want a practical brake pad upgrade with predictable feel and everyday drivability. The hybrid formulation is aimed at consistent response across normal street use, making it a strong fit for rear brake service on vehicles such as the Buick Envision and Cadillac XT4. If you are searching for Dynamite Friction 4000-2189-00 rear brake pads, this part matches that product line and application.

Fitment

• Fits 2026 Buick Envision, rear. Req HW: 340-45008SS; DFC 4000 HybriDynamic Brake Pads.
• Fits 2021-2025 Buick Envision, rear.
• Fits 2020-2025 Cadillac XT4, rear. Ceramic Pads; DFC 4000 HybriDynamic Brake Pads.
• Fits 2018-2020 Buick Regal Sportback, rear.
• Fits 2019 Cadillac XT4, rear.

What This Part Helps Address

• Brake noise during everyday commuting
• Excessive brake dust buildup on rear wheels
• Uneven or inconsistent pedal feel from worn pads
• Reduced rear braking response from pad wear
• Need for a direct replacement rear disc brake pad set

Installation Notes and Tips

Confirm rear axle fitment before ordering and compare pad dimensions to the removed parts. This set is prepared for a mechanical wear sensor, but a sensor is not included. Mounting hardware is not included, so reuse or replace hardware as needed based on the vehicle’s service requirements. Part number 4000-2189-00 is listed for rear applications only.

Quality Assurance

Dynamite Friction DFC 4000 HybriDynamic Brake Pads are engineered to provide steady brake response and a practical balance of performance, dust control, and noise control for daily use. The hybrid friction material and integrally molded construction support consistent pad behavior across the listed Buick and Cadillac rear fitments.