{"product_id":"powerstop-ar8647-disc-brake-rotor","title":"PowerStop AR8647 Disc Brake Rotor - Rear","description":"\u003ch2\u003ePower Stop Rear OE Stock Replacement Brake Rotor Overview\u003c\/h2\u003e\u003cp\u003eThe Power Stop - Rear OE Stock Replacement Brake Rotor (Part Number AR8647) is engineered to meet the exact specifications of your vehicle's original equipment. Designed for rear disc brake systems, this rotor provides reliable performance for a range of GM and related models, including Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart Number: AR8647\u003c\/li\u003e\n\u003cli\u003eCompatible with rear disc brake systems on Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models\u003c\/li\u003e\n\u003cli\u003eVented disc brake rotor design for improved heat dissipation\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 12.80 inches (324.00 mm)\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 0.79 inches (20.00 mm)\u003c\/li\u003e\n\u003cli\u003eDiscard thickness: 0.73 inches (18.50 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height: 3.40 inches (85.10 mm)\u003c\/li\u003e\n\u003cli\u003eMounting bolt hole circle diameter: 5.00 inches (127.00 mm)\u003c\/li\u003e\n\u003cli\u003e6 stud\/lug hole quantity\u003c\/li\u003e\n\u003cli\u003eNo rust resistant coating\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Power Stop - Rear OE Stock Replacement Brake Rotor Line\u003c\/h2\u003e\u003cp\u003eThe Power Stop - Rear OE Stock Replacement Brake Rotor line is designed to provide a direct replacement for original equipment rotors. This product line focuses on matching the exact dimensions and specifications of factory parts to ensure proper fit and function. The AR8647 rotor maintains the vented design typical of OE rear rotors, supporting effective heat dissipation and consistent braking performance for compatible vehicles.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor is vented to help reduce heat buildup during braking, which is critical for maintaining braking efficiency and rotor longevity. With an outside diameter of 12.80 inches and a nominal thickness of 0.79 inches, the AR8647 rotor fits rear brake assemblies on select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models such as the Trailblazer, Envoy, Ascender, and 9-7x. The rotor features six lug holes with a 5.00-inch bolt circle diameter, ensuring compatibility with the specified vehicles. Note that this rotor does not include a rust resistant coating, so proper maintenance and inspection are recommended to prevent corrosion over time.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rear brake rotors\u003c\/li\u003e\n\u003cli\u003eRestores proper rotor thickness to prevent brake pulsation\u003c\/li\u003e\n\u003cli\u003eAddresses noise or vibration caused by uneven rotor surfaces\u003c\/li\u003e\n\u003cli\u003eImproves braking consistency on Buick Trailblazer and GMC Envoy models\u003c\/li\u003e\n\u003cli\u003eCompatible upgrade for rear brake systems on Isuzu Ascender and Saab 9-7x\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure rotor thickness is above discard thickness (0.73 inches) before installation\u003c\/li\u003e\n\u003cli\u003eClean rotor surface to remove any protective oils or debris prior to mounting\u003c\/li\u003e\n\u003cli\u003eCheck compatibility with vehicle lug pattern: 6 lug holes on a 5.00-inch bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eTorque lug nuts to manufacturer specifications to avoid rotor warping\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and hardware during rotor replacement for optimal performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003ePower Stop manufactures the AR8647 rotor to meet or exceed OEM standards for fit, form, and function. While this product does not include a rust resistant coating, it is built to provide consistent braking performance under normal operating conditions. Warranty coverage details should be confirmed with the product documentation or manufacturer directly.\u003c\/p\u003e","brand":"PowerStop","offers":[{"title":"Default Title","offer_id":43590213402805,"sku":"BHKQ-AR8647","price":81.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/P8_AR8647_Fro.jpg?v=1774635271","url":"https:\/\/www.partcatalog.com\/products\/powerstop-ar8647-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}