{"product_id":"centric-121-66000-disc-brake-rotor","title":"Centric 121.66000 Disc Brake Rotor - Front","description":"\u003ch2\u003eOverview of Centric C-TEK Standard Disc Brake Rotor 121.66000\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.66000 is engineered for reliable braking performance on select GM vehicles. Designed to meet OEM specifications, this vented rotor provides consistent stopping power for models like Chevrolet Blazer, Cadillac DeVille, and GMC Sierra.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVented disc brake rotor with smooth surface finish\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 11.850 inches (301.0 mm)\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 1.283 inches (32.590 mm)\u003c\/li\u003e\n\u003cli\u003eDiscard thickness: 1.215 inches (30.860 mm)\u003c\/li\u003e\n\u003cli\u003e5 lug holes with 0.500 inch stud thread diameter\u003c\/li\u003e\n\u003cli\u003eMounting bolt hole circle diameter: 5.000 inches (127.0 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height: 4.882 inches (124.0 mm)\u003c\/li\u003e\n\u003cli\u003eWeight approximately 29.4 lbs (13.36 kgs)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Centric C-TEK Standard Disc Brake Rotor 121.66000 is a vented rotor designed to improve heat dissipation during braking, reducing the risk of brake fade. The smooth surface type ensures even pad contact and consistent braking performance. With a 5-lug hole pattern and a mounting bolt hole circle diameter of 127 mm, it is compatible with a range of GM vehicles including Buick LeSabre, Pontiac Bonneville, and Oldsmobile Delta 88. The rotor’s nominal thickness of 1.283 inches and discard thickness of 1.215 inches provide clear service limits for maintenance. The rotor mounts directly to the hub and rotor assembly, ensuring proper fitment and alignment.\u003c\/p\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 rotors manufactured to meet or exceed OEM standards. This product line focuses on delivering reliable, direct replacement rotors with precise fitment and consistent braking performance. The 121.66000 rotor is part of this line, providing a balance of durability and performance for various GM trucks, SUVs, and passenger cars.\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 rotor thickness below manufacturer discard limits\u003c\/li\u003e\n\u003cli\u003eImproving braking performance on Chevrolet C1500 and GMC K5 Blazer\u003c\/li\u003e\n\u003cli\u003eResolving noise or vibration issues related to rotor surface irregularities\u003c\/li\u003e\n\u003cli\u003eEnsuring proper fitment for vehicles requiring 5-lug vented rotors\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 to remove any protective coating before mounting\u003c\/li\u003e\n\u003cli\u003eTorque lug nuts to manufacturer specifications to avoid rotor warping\u003c\/li\u003e\n\u003cli\u003eInspect related components such as bearings and seals (Inner Bearing #410.91005, Outer Bearing #410.91003) during installation\u003c\/li\u003e\n\u003cli\u003eEnsure proper alignment with hub and rotor mounting points\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 quality standards, ensuring consistent performance and durability. While specific warranty details for part number 121.66000 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. It is recommended to consult the product documentation or Centric directly for warranty terms.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":44571110572213,"sku":"BKNJ-121.66000","price":79.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12166000_Fro.jpg?v=1774638770","url":"https:\/\/www.partcatalog.com\/products\/centric-121-66000-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}