{"product_id":"centric-121-66077-disc-brake-rotor","title":"Centric 121.66077 Disc Brake Rotor - Rear","description":"\u003ch2\u003eOverview of Centric C-TEK Standard Disc Brake Rotor 121.66077\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.66077 is engineered for reliable braking performance on heavy-duty Chevrolet and GMC trucks. Designed specifically for models like the Silverado 2500 HD and Sierra 3500 HD, this vented rotor ensures consistent heat dissipation and durability under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVented disc brake rotor with smooth surface finish\u003c\/li\u003e\n\u003cli\u003eOutside diameter of 360 mm (14.173 inches) for precise fitment\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 34.1 mm (1.343 inches) with discard thickness at 32.5 mm (1.280 inches)\u003c\/li\u003e\n\u003cli\u003eEight lug holes with 16.2 mm (0.638 inches) diameter for secure mounting\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Silverado 2500, 3500 and GMC Sierra 2500 HD, 3500 HD, and Suburban 3500 HD\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the C-TEK Standard Disc Brake Rotors Line\u003c\/h2\u003e\u003cp\u003eThe C-TEK Standard Disc Brake Rotors line by Centric offers a balance of quality and value for heavy-duty truck applications. These rotors feature vented designs with straight vanes to optimize cooling and reduce brake fade. The smooth surface type supports even pad wear and consistent braking performance, making them suitable for demanding Chevrolet and GMC truck models requiring dependable stopping power.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description and Specifications\u003c\/h2\u003e\u003cp\u003eThis Centric rotor (part number 121.66077) is a vented disc brake rotor with an overall height of 119.2 mm (4.693 inches) and a center hole diameter of 127 mm (5 inches). It includes eight stud\/lug holes arranged on a 180 mm (7.087 inches) bolt circle diameter, ensuring compatibility with specified Chevrolet and GMC heavy-duty trucks. The rotor’s nominal drum diameter is 226.24 mm (8.907 inches), and it weighs approximately 16.9 kg (37.25 lbs). The floating disc mounting design and two miscellaneous holes contribute to proper alignment and heat dissipation. This rotor does not include an ABS tone ring or bearings.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on Chevrolet Silverado 2500 HD and 3500 HD\u003c\/li\u003e\n\u003cli\u003eRestores braking efficiency on GMC Sierra 2500 HD and Suburban 3500 HD\u003c\/li\u003e\n\u003cli\u003eSolves issues related to brake noise and vibration caused by rotor surface irregularities\u003c\/li\u003e\n\u003cli\u003eAddresses rotor thickness below discard limits to maintain safe braking\u003c\/li\u003e\n\u003cli\u003eImproves heat dissipation to reduce brake fade during heavy towing or hauling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify rotor thickness before installation; discard thickness is 32.5 mm (1.280 inches)\u003c\/li\u003e\n\u003cli\u003eEnsure mounting surfaces are clean and free of debris for proper fitment\u003c\/li\u003e\n\u003cli\u003eTorque lug nuts to manufacturer specifications to avoid rotor warping\u003c\/li\u003e\n\u003cli\u003eCheck compatibility with vehicle ABS system as this rotor does not include an ABS tone ring\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and replace if worn to ensure optimal rotor performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eCentric’s C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. While specific warranty details for part number 121.66077 should be confirmed with the supplier, Centric typically offers coverage against defects in materials and workmanship to ensure long-term reliability for Chevrolet and GMC heavy-duty truck owners.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":44571119976629,"sku":"BKNJ-121.66077","price":98.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12166077_Fro_acf6204b-74eb-49a0-a973-82b8ac67fcef.jpg?v=1774638793","url":"https:\/\/www.partcatalog.com\/products\/centric-121-66077-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}