{"product_id":"powerstop-ar8643evc-disc-brake-rotor","title":"PowerStop AR8643EVC Disc Brake Rotor - Rear","description":"\u003ch2\u003ePower Stop Rear Genuine Geomet Coated Rotor Overview\u003c\/h2\u003e\u003cp\u003eThe Power Stop - Rear Genuine Geomet Coated Rotor (Part Number AR8643EVC) is engineered for reliable braking performance on select Chevrolet, GMC, and Hummer vehicles. Designed with a rust-resistant Geomet coating and vented rotor construction, this disc brake rotor supports consistent heat dissipation and durability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Chevrolet Express 2500, Express 3500, Silverado 1500, Silverado 2500, Suburban 2500, Yukon XL 2500\u003c\/li\u003e\n\u003cli\u003eFits GMC Sierra 1500, Sierra 1500 HD, Sierra 2500, Savana 2500, Savana 3500\u003c\/li\u003e\n\u003cli\u003eAlso fits Hummer H2 models\u003c\/li\u003e\n\u003cli\u003eVented disc brake rotor for improved cooling\u003c\/li\u003e\n\u003cli\u003eRust resistant Geomet coating for extended rotor life\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 330.00 mm (13.00 inches)\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 29.20 mm with discard thickness at 26.50 mm\u003c\/li\u003e\n\u003cli\u003eMounting bolt hole circle diameter: 165.10 mm with 8 lug holes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Power Stop rear rotor features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade under heavy use. The Geomet coating provides a protective layer against rust and corrosion, which is especially beneficial for vehicles like the Chevrolet Silverado 1500 HD and GMC Sierra 2500 that may be exposed to harsh weather conditions. With an outside diameter of 330 mm and a nominal thickness of 29.20 mm, this rotor meets OEM specifications for a precise fit and reliable braking performance. The mounting bolt hole circle diameter of 165.10 mm and 8 lug holes ensure compatibility with the specified vehicle models.\u003c\/p\u003e\u003ch2\u003eAbout the Power Stop - Rear Genuine Geomet Coated Rotor Line\u003c\/h2\u003e\u003cp\u003eThe Power Stop - Rear Genuine Geomet Coated Rotor product line focuses on delivering rotors with factory-level quality and corrosion resistance. The Geomet coating applied to these rotors helps prevent rust buildup, extending the rotor’s service life and maintaining braking efficiency. This line is designed to meet or exceed OEM standards, making it suitable for rear brake applications on trucks and SUVs such as the Chevrolet Express and GMC Savana series.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rear rotors on Chevrolet Express 2500 and 3500\u003c\/li\u003e\n\u003cli\u003eAddressing brake noise and vibration issues on GMC Sierra 1500 HD and Silverado 2500\u003c\/li\u003e\n\u003cli\u003eImproving rotor durability against rust on Hummer H2 rear brakes\u003c\/li\u003e\n\u003cli\u003eRestoring braking performance on Suburban 2500 and Yukon XL 2500 rear wheels\u003c\/li\u003e\n\u003cli\u003eEnsuring proper fit and function for Savana 2500 and 3500 rear brake systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify vehicle compatibility with Chevrolet, GMC, or Hummer models listed before installation\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and hardware for wear and replace as necessary during rotor installation\u003c\/li\u003e\n\u003cli\u003eEnsure mounting surfaces are clean and free of debris to prevent rotor misalignment\u003c\/li\u003e\n\u003cli\u003eTorque lug nuts to manufacturer specifications to avoid rotor damage\u003c\/li\u003e\n\u003cli\u003ePerform a brake system test after installation to confirm proper operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003ePower Stop rotors, including the AR8643EVC, are manufactured to meet OEM standards for fit, form, and function. The Geomet coating provides additional protection against corrosion, contributing to longer rotor life. While specific warranty details are not provided here, Power Stop products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.\u003c\/p\u003e","brand":"PowerStop","offers":[{"title":"Default Title","offer_id":43590208716981,"sku":"BHKQ-AR8643EVC","price":97.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/P8_AR8643EVC_Fro_f64020db-5953-4612-8568-122557572df2.jpg?v=1774635269","url":"https:\/\/www.partcatalog.com\/products\/powerstop-ar8643evc-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}