Akebono ACT1857 Disc Brake Pad Set - Rear

Akebono ProACT Ultra Premium Ceramic Pad ACT1857

The Akebono ProACT Ultra Premium Ceramic Pad ACT1857 is a rear disc brake pad set built for drivers who want OE-style braking performance with ceramic friction material. It is engineered for low noise and controlled vibration, making it a strong match for everyday driving on vehicles such as the Chevrolet Bolt EV, Chevrolet Malibu, and Buick Regal Sportback.

Key Features

• ProACT Ultra Premium Ceramic Pad line focused on refined braking feel and NVH control
• Rear disc brake pad set for select Chevrolet, Buick, and GMC applications
• OE ceramic material used in listed fitments
• Premium stainless hardware included in listed applications where noted
• Direct replacement fitment for vehicles using the ACT1857 pad shape
• Cross-reference: Bosch BC1857 and Raybestos Brakes EHT1857H for the same application

Product Details

Akebono is known for ceramic brake technology and OE brake development, and the ProACT Ultra Premium Ceramic Pad line reflects that background with a focus on consistent pedal response, reduced brake noise, and stable friction characteristics. Part number ACT1857 is a rear brake pad solution for select 2016-2023 Chevrolet, Buick, and GMC models, including rear brake service on the Chevrolet Bolt EV, Chevrolet Equinox, and GMC Terrain. It also fits rear applications on the Buick LaCrosse, Buick Regal TourX, Chevrolet Cruze, Chevrolet Volt, and Chevrolet Malibu.

Common Brake Issues This Part Can Address

• Squealing or noisy rear brake operation
• Brake vibration or harshness during stops
• Worn rear pads requiring OE-style ceramic replacement
• Uneven rear braking feel on daily-driven vehicles
• Service needs on rear disc brake systems with electric parking brake setups where listed

Installation Notes and Tips

Verify rear axle fitment by year, make, and model before installation. Confirm the pad shape matches ACT1857 and inspect rotors, caliper slides, and abutment points during brake service. For vehicles listed with abutment clips or premium stainless hardware notes, follow the vehicle-specific service procedure and reuse only components that meet inspection standards.

Quality Assurance

Akebono Brake Corporation is a long-established developer of ceramic brake technology and supplies OE brake solutions across a wide range of vehicles. The ProACT line is built around advanced friction material development and noise, vibration, and harshness control for consistent everyday braking performance.