{"product_id":"powerstop-ar82111xpr-disc-brake-rotor-set-rear","title":"PowerStop AR82111XPR Disc Brake Rotor Set - Rear","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003ePowerStop AR82111XPR is a rear disc brake rotor set built as a direct OE-fit upgrade for select GM applications. It combines drilled and slotted rotor surfaces with a zinc-plated finish to support cooler operation and corrosion resistance.\u003c\/p\u003e\u003cp\u003eCompatible with Chevrolet Impala, Buick Allure, Buick LaCrosse, and Chevrolet Monte Carlo rear brake applications, this rotor set is a fitment-based replacement for drivers looking for a straightforward brake service part. The AR82111XPR part number is also useful when cross-checking catalog listings.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDrilled and slotted rotor surface helps move gases, dust, and moisture away from the friction area.\u003c\/li\u003e\n\u003cli\u003eSilver zinc dichromate plating adds rust and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eDirect OE fit supports a bolt-on replacement with no special modifications needed.\u003c\/li\u003e\n\u003cli\u003eSolid rotor construction for rear brake applications.\u003c\/li\u003e\n\u003cli\u003eFive-lug bolt pattern with a 115 mm bolt circle diameter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003ePower Stop AR82111XPR is engineered for rear brake service on compatible Chevrolet and Buick models. The drilled holes and rounded slots are intended to maintain a cleaner contact surface, while the plated finish helps protect the rotor from environmental corrosion. The AR82111XPR rotor set is a practical choice when replacing worn rear brake rotors on a Chevrolet Impala, Buick LaCrosse, Buick Allure, or Chevrolet Monte Carlo.\u003c\/p\u003e\u003cp\u003eThis part cross-references Centric Parts 120.62097 and Raybestos Brakes 580401 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part Addresses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake pulsation caused by worn or uneven rotor surfaces.\u003c\/li\u003e\n\u003cli\u003eReduced braking consistency from heat buildup.\u003c\/li\u003e\n\u003cli\u003eSurface contamination from dust, gas, or moisture.\u003c\/li\u003e\n\u003cli\u003eRust and corrosion on exposed rotor surfaces.\u003c\/li\u003e\n\u003cli\u003eNeed for a direct-fit rear rotor replacement during brake service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eInstall as a rear brake rotor replacement on the listed applications. Verify rotor dimensions, bolt circle diameter, and fitment before installation. Because this is a direct OE-fit part, no special modifications are required when used on the confirmed vehicle applications.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003ePower Stop designs this rotor set as a bolt-on upgrade with OE fitment and a corrosion-resistant plated finish. The drilled and slotted design is intended to support brake cooling and consistent friction contact under demanding conditions.\u003c\/p\u003e","brand":"PowerStop","offers":[{"title":"Default Title","offer_id":53512157790389,"sku":"BHKQ-AR82111XPR","price":172.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/P8_AR82111XPR_Fro.jpg?v=1791872634","url":"https:\/\/www.partcatalog.com\/products\/powerstop-ar82111xpr-disc-brake-rotor-set-rear","provider":"PartCatalog","version":"1.0","type":"link"}