{"product_id":"centric-121-66055-disc-brake-rotor","title":"Centric 121.66055 Disc Brake Rotor - Rear","description":"\u003ch2\u003eReliable Disc Brake Rotor for Chevrolet and GMC Trucks\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.66055 is engineered for dependable braking performance on heavy-duty trucks. Designed specifically for Chevrolet and GMC models, this vented rotor ensures consistent heat dissipation and durability under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Chevrolet Silverado 1500, Silverado 1500 HD, Sierra 1500 HD, Suburban 2500, and Yukon XL 2500\u003c\/li\u003e\n\u003cli\u003eVented disc design with straight vane style for improved cooling\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 1.146 inches (29.1 mm) and discard thickness of 1.043 inches (26.5 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height of 3.378 inches (85.8 mm) and outside diameter of 12.992 inches (330 mm)\u003c\/li\u003e\n\u003cli\u003eEight stud\/lug holes with 0.65 inch (16.5 mm) diameter for secure mounting\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter of 4.614 inches (117.2 mm) and mounting bolt hole circle diameter of 6.5 inches (165.1 mm)\u003c\/li\u003e\n\u003cli\u003eSolid smooth surface type without ABS tone ring included\u003c\/li\u003e\n\u003cli\u003eWeight approximately 23 lbs (10.45 kgs)\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 replacement rotors. These rotors are designed to meet or exceed OEM specifications, providing reliable braking performance for heavy-duty trucks like the Chevrolet Silverado 1500 HD and GMC Sierra 1500 HD. The vented rotor design helps maintain optimal operating temperatures, reducing the risk of brake fade during extended use.\u003c\/p\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis Centric disc brake rotor features a vented design with straight vanes to enhance airflow and heat dissipation. The rotor's nominal thickness is 1.146 inches (29.1 mm), with a discard thickness of 1.043 inches (26.5 mm), indicating when replacement is necessary. The overall height measures 3.378 inches (85.8 mm), and the outside diameter is 12.992 inches (330 mm), ensuring proper fitment on specified Chevrolet and GMC models. The rotor mounts using eight lug holes, each 0.65 inches (16.5 mm) in diameter, arranged on a 6.5-inch (165.1 mm) bolt circle diameter. This part does not include an ABS tone ring or bearings and features a smooth surface type for consistent pad contact.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors causing brake pulsation\u003c\/li\u003e\n\u003cli\u003eAddressing reduced braking efficiency due to rotor thickness below discard limits\u003c\/li\u003e\n\u003cli\u003eResolving overheating issues with vented rotor design for better heat management\u003c\/li\u003e\n\u003cli\u003eEliminating noise and vibration caused by uneven rotor surfaces\u003c\/li\u003e\n\u003cli\u003eEnsuring proper fitment and secure mounting on Chevrolet Silverado 1500 and GMC Sierra 1500 HD models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify rotor thickness before installation to ensure it meets nominal specifications\u003c\/li\u003e\n\u003cli\u003eClean rotor surface and hub mounting area to prevent uneven wear\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications on lug nuts 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 maintain optimal braking performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eCentric C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Using part number 121.66055 ensures compatibility with Chevrolet Silverado 1500, Silverado 1500 HD, Sierra 1500 HD, Suburban 2500, and Yukon XL 2500 models, supporting reliable braking performance.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":44571117355189,"sku":"BKNJ-121.66055","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12166055_Fro.jpg?v=1774638786","url":"https:\/\/www.partcatalog.com\/products\/centric-121-66055-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}