Akebono ACT1391A Disc Brake Pad Set - Rear

Akebono ProACT Ultra Premium Ceramic Rear Pads

Akebono ACT1391A is a rear disc brake pad set built around the ProACT Ultra Premium Ceramic Pad line. It is made for drivers who want consistent braking feel, low-noise operation, and ceramic friction material for select Lexus and Toyota applications.

Compatible with rear brake applications on Lexus GS350, IS300, IS350, RC300, RC350, and Toyota Highlander, Mirai, and Sienna models across the listed years. This part cross-references Bosch BC1391 and Wagner Brake QC1391 for the same application.

Key Features

• ProACT Ultra Premium Ceramic Pad formulation for rear disc brake service
• OE ceramic material used in select applications
• Premium stainless hardware referenced in the product line notes for many fitments
• Focus on noise, vibration, and harshness control
• Rear fitment for Lexus and Toyota vehicles listed below
• Part number ACT1391A for catalog and cross-reference lookup

Product Details

Akebono is known for ceramic brake technology and OE supply experience across a wide range of vehicles. The ProACT Ultra Premium Ceramic Pad line is aimed at drivers who want a refined brake feel with materials selected for quieter operation and stable friction characteristics. For rear brake service on Lexus GS350, IS300, IS350, RC300, RC350, and Toyota Highlander, Mirai, and Sienna models, ACT1391A provides a direct replacement option that aligns with the listed factory-style applications.

Use ACT1391A when searching for Akebono brake pads for Lexus IS350 rear, Toyota Sienna rear brake pads, or Lexus RC350 rear disc brake pad set applications. The part number ACT1391A also helps confirm the correct rear pad set when comparing catalog listings and interchange references.

Vehicle Fitment

• Fits 2021 Lexus IS300, rear, with abutment clips; ProACT Ultra Premium Ceramic Pad
• Fits 2021 Lexus IS350, rear, with abutment clips; ProACT Ultra Premium Ceramic Pad
• Fits 2021 Lexus RC300, rear, to 09/30/2020; ProACT Ultra Premium Ceramic Pad
• Fits 2021 Lexus RC350, rear, to 09/30/2020; ProACT Ultra Premium Ceramic Pad
• Fits 2013-2020 Lexus GS350, rear, enhance braking performance for Disc Brake Pad Set by using stainless hardware and ceramic materials.; ProACT Ultra Premium Ceramic Pad
• Fits 2016-2020 Lexus IS300, rear, OE ceramic material and premium stainless hardware included in this Disc Brake Pad Set.; ProACT Ultra Premium Ceramic Pad
• Fits 2014-2020 Lexus IS350, rear, OE ceramic material and premium stainless hardware included in this Disc Brake Pad Set.; ProACT Ultra Premium Ceramic Pad
• Fits 2016-2020 Lexus RC300, rear, enhance braking performance for Disc Brake Pad Set by using stainless hardware and ceramic materials.; ProACT Ultra Premium Ceramic Pad
• Fits 2015-2020 Lexus RC350, rear, enhance braking performance for Disc Brake Pad Set by using stainless hardware and ceramic materials.; ProACT Ultra Premium Ceramic Pad
• Fits 2014-2020 Toyota Highlander, rear, enhance braking performance for Disc Brake Pad Set by using stainless hardware and ceramic materials.; ProACT Ultra Premium Ceramic Pad
• Fits 2016-2020 Toyota Mirai, rear, enhance braking performance for Disc Brake Pad Set by using stainless hardware and ceramic materials.; ProACT Ultra Premium Ceramic Pad
• Fits 2011-2020 Toyota Sienna, rear, enhance braking performance for Disc Brake Pad Set by using stainless hardware and ceramic materials.; ProACT Ultra Premium Ceramic Pad
• Fits 2018-2019 Lexus GS300, rear, enhance braking performance for Disc Brake Pad Set by using stainless hardware and ceramic materials.; ProACT Ultra Premium Ceramic Pad
• Fits 2013-2018 Lexus GS450h, rear, enhance braking performance for Disc Brake Pad Set by using stainless hardware and ceramic materials.; ProACT Ultra Premium Ceramic Pad
• Fits 2012-2018 Toyota Prius V, rear, enhance braking performance for Disc Brake Pad Set by using stainless hardware and ceramic materials.; ProACT Ultra Premium Ceramic Pad
• Fits 2016-2017 Lexus GS200t, rear, enhance braking performance for Disc Brake Pad Set by using stainless hardware and ceramic materials.; ProACT Ultra Premium Ceramic Pad
• Fits 2016-2017 Lexus IS200t, rear, OE ceramic material and premium stainless hardware included in this Disc Brake Pad Set.; ProACT Ultra Premium Ceramic Pad
• Fits 2016-2017 Lexus RC200t, rear, OE ceramic material and premium stainless hardware included in this Disc Brake Pad Set.; ProACT Ultra Premium Ceramic Pad
• Fits 2014-2015 Lexus IS250, rear, OE ceramic material and premium stainless hardware included in this Disc Brake Pad Set.; ProACT Ultra Premium Ceramic Pad
• Fits 2010-2015 Lexus RX350, rear, enhance braking performance for Disc Brake Pad Set by using stainless hardware and ceramic materials.; ProACT Ultra Premium Ceramic Pad
• Fits 2010-2015 Lexus RX450h, rear, enhance braking performance for Disc Brake Pad Set by using stainless hardware and ceramic materials.; ProACT Ultra Premium Ceramic Pad
• Fits 2013 Lexus IS250, rear, from 08/01/2013; ProACT Ultra Premium Ceramic Pad
• Fits 2013 Lexus IS350, rear, from 08/01/2013; ProACT Ultra Premium Ceramic Pad

Common Brake Issues Addressed

• Rear brake pad wear on Lexus and Toyota vehicles listed above
• Brake noise during everyday driving and stop-and-go traffic
• Uneven braking feel from aged rear friction material
• Reduced stopping consistency from worn ceramic pads
• Service replacement for rear disc brake pad set applications

Installation Notes

Confirm rear axle fitment by year, model, and notes before ordering. Match the part number ACT1391A against the existing pad shape and vehicle application, especially on 2021 Lexus IS300, IS350, RC300, and RC350 models with date-specific notes. Inspect rotors, caliper condition, and mounting surfaces during brake service, and follow the vehicle manufacturer’s brake procedure and torque specifications.

Quality Assurance

Akebono Brake Corporation is a long-established supplier of ceramic brake technology and advanced friction materials, with engineering and testing resources in Japan, the United States, and France. The ProACT line reflects that OE-focused background for rear brake service on select Lexus and Toyota platforms.