PowerStop K4745 Disc Brake Kit - Rear

Rear Brake Upgrade for Audi Daily Drivers

PowerStop K4745 is a rear disc brake kit built for Audi A4, A4 Quattro, A5, A5 Quattro, Q5, and allroad applications that need a direct-fit braking refresh. It combines carbon-fiber ceramic rear pads with drilled and slotted rear rotors to support stronger stopping response, cleaner wheel appearance, and smoother everyday braking.

Key Features

• Carbon Fiber Ceramic friction material for performance-focused street use
• Rear Z23 Daily Driver brake pad and rotor kit from PowerStop
• Drilled and slotted rotor surface helps manage heat and maintain consistent contact
• Low-dust pad formula helps reduce visible brake dust on wheels
• Pad shims included for a quieter brake service
• Solid rear rotor construction with a 300.0 mm outside diameter
• Compatible with rear brake service on select Audi A4, A4 Quattro, A5, A5 Quattro, Q5, and allroad models

Product Details

The PowerStop Z23 Evolution Sport Brake Upgrade Kit is built around the brand’s rear Z23 Daily Driver platform, which focuses on an easy bolt-on brake upgrade for everyday vehicles. For this application, K4745 pairs carbon-fiber ceramic pads with drilled and slotted rear rotors to support cooler operation, improved pedal feel, and resistance to rust and corrosion. This setup is a practical choice for drivers looking for a rear brake kit for 2009-2016 Audi A4 rear, 2009-2016 Audi A4 Quattro rear, 2010-2014 Audi A5 rear, 2008-2017 Audi A5 Quattro rear, 2009-2017 Audi Q5 rear, or 2013-2016 Audi allroad rear service.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Brake dust buildup on rear wheels
• Reduced braking consistency during daily driving
• Heat-related fade in stop-and-go use
• Rust and corrosion on rotor surfaces
• Worn rear pads and rotors that need a matched replacement

Installation Notes and Tips

Verify rear fitment by year, make, model, and position before ordering. This kit is for rear brake service only and should be installed on the correct axle position listed in the fitment data. Inspect caliper condition, slide hardware, and brake fluid condition during service, and follow the vehicle manufacturer’s torque and bedding procedures after installation.

Quality Assurance

PowerStop positions the Z23 line as a performance-oriented brake upgrade for daily drivers, using carbon-fiber ceramic pad material and drilled/slotted rotor construction to support consistent street braking performance. Part number K4745 is engineered for the listed Audi rear applications and built as a direct replacement-style brake service kit.