PowerStop L5400A Disc Brake Caliper - Rear Right

Rear OE Stock Replacement Caliper for OE-Style Braking

PowerStop L5400A is a rear right disc brake caliper built as a direct OE-style replacement for select Chevrolet, Buick, and Cadillac applications. It is remanufactured in Chicago, pressure tested for piston operation and leak prevention, and assembled with new seals, slide pins where applicable, dust boots, bleeder screws, and stainless steel pad abutment clips.

Key Features

• Rear right floating disc brake caliper with a 41.00 mm piston
• Cast iron caliper body with gray finish
• Mounting bracket included; mounting hardware not included
• Caliper slides included for proper movement
• Steel piston construction
• Inlet thread size: M10 x 1.0
• Bleeder screw thread size: M10 x 1.0
• High-temperature EPDM rubber dust boots and silicone lubricant for smoother operation

Product Details

This PowerStop rear OE stock replacement caliper is built for drivers replacing a worn or sticking rear brake caliper on vehicles such as the 2014-2020 Chevrolet Impala, 2011-2017 Buick Regal, 2010-2016 Buick LaCrosse, 2013 Chevrolet Malibu, and select Cadillac XTS models. The L5400A follows the original equipment layout for the rear right position and is intended for stock replacement brake service on the listed applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems This Caliper Can Address

• Rear brake drag caused by a sticking caliper piston or slide
• Uneven rear brake pad wear from caliper movement issues
• Brake fluid seepage from worn seals or bleeder components
• Reduced braking response from a damaged rear right caliper
• Corrosion-related caliper replacement on OE-style brake systems

Installation Notes and Fitment

Compatible With rear right applications only. Fits 2014-2020 Chevrolet Impala, rear right; 2017-2018 Cadillac XTS, rear right, except heavy duty brakes; 2011-2017 Buick Regal, rear right; 2017 Cadillac XTS, rear right; 2010-2016 Buick LaCrosse, rear right; 2013-2016 Cadillac XTS, rear right, except HD brakes, J64 brake code, OE metal pistons; and 2013 Chevrolet Malibu, rear right. Verify brake code, piston type, and rear right position before installation. Transfer or replace related brake components as needed during service, and bleed the brake system after installation to remove air from the hydraulic circuit.

Quality Assurance

PowerStop remanufactures this caliper and bracket in its Chicago, IL facility and pressure tests each unit to confirm piston operation and check for leaks. The assembly uses new seals, dust boots, bleeder screws, and stainless steel pad abutment clips to support consistent brake service on OE replacement applications.