PowerStop Z23-2189 Disc Brake Pad Set - Rear

Rear Brake Pads for Daily Driving

Power Stop Z23-2189 rear brake pads are built for drivers who want a cleaner, quieter brake upgrade over stock equipment. This rear Z23 Daily Driver Carbon-Fiber Ceramic Brake Pad Set is formulated for low dust and consistent stopping performance on everyday roads.

Compatible With 2019-2022 Cadillac XT4 rear, 2022 Buick Envision rear, and 2019-2020 Buick Regal Sportback rear with 300mm or 321mm diameter rotor applications. The Z23-2189 part number is a direct fit option for these rear brake service jobs.

Power Stop Z23 Evolution Sport Line

The Power Stop Z23 Evolution Sport line focuses on carbon-fiber ceramic friction material for improved braking response while keeping normal street drivability. For rear brake service on a Buick Envision, Cadillac XT4, or Buick Regal Sportback, this line is aimed at reducing brake dust buildup and minimizing noise during routine commuting and stop-and-go use.

Key Features

• Low-dust ceramic friction formula for cleaner wheel maintenance
• Carbon-fiber reinforcement for added braking performance
• Rear disc brake pad set for daily-driver use
• Designed to reduce brake noise during normal operation
• Includes stainless-steel hardware and ceramic brake lubricant
• Part number Z23-2189 for fitment lookup and ordering

Detailed Description

Power Stop Z23-2189 rear brake pads are engineered as an upgrade over standard replacement pads for drivers who want dependable braking without the dust and noise often associated with conventional friction materials. The carbon-fiber ceramic compound is intended to deliver strong pedal response while maintaining smooth, everyday street manners. If you are servicing the rear brakes on a 2019-2022 Cadillac XT4, 2022 Buick Envision, or 2019-2020 Buick Regal Sportback, this pad set matches the listed rear applications and rotor-size notes.

This part cross-references Centric Parts 105.60450 for the same application.

What This Product Helps Address

• Excess brake dust on rear wheels
• Squeal or noise during normal braking
• Worn rear brake pads needing replacement
• Reduced braking response from aging friction material
• Routine rear brake service on listed Buick and Cadillac models

Installation Notes and Tips

Confirm rear rotor diameter before ordering for 2019-2020 Buick Regal Sportback applications, which use 300mm or 321mm diameter rotors. Inspect rotors, caliper hardware, and pad contact surfaces during brake service, and follow the vehicle manufacturer’s brake bedding procedure after installation. Verify the part number Z23-2189 against your vehicle’s rear brake configuration before beginning the job.

Quality Assurance

Power Stop positions the Z23 Evolution Sport line as a ceramic brake pad upgrade for daily driving, with a focus on low dust, reduced noise, and consistent street use performance.