{"product_id":"centric-121-51021-disc-brake-rotor","title":"Centric 121.51021 Disc Brake Rotor - Rear","description":"\u003ch2\u003eReliable Disc Brake Rotor for Hyundai and Kia Vehicles\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.51021 is engineered to provide consistent braking performance for select Hyundai and Kia models. Designed as a solid rotor with a smooth surface, it ensures dependable stopping power and durability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Hyundai Azera, Sonata, Tucson and Kia Cadenza, Optima models\u003c\/li\u003e\n\u003cli\u003eSolid disc brake rotor with smooth surface finish\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 11.181 inches (284 mm)\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 0.394 inches (10.000 mm)\u003c\/li\u003e\n\u003cli\u003eDiscard thickness: 0.331 inches (8.400 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height: 2.146 inches (54.500 mm)\u003c\/li\u003e\n\u003cli\u003e5 lug holes with 0.492 inch (12.500 mm) diameter\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter: 2.992 inches (76.000 mm)\u003c\/li\u003e\n\u003cli\u003eMounting bolt hole circle diameter: 4.500 inches (114.300 mm)\u003c\/li\u003e\n\u003cli\u003eWeight approximately 10.3 lbs (4.68 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 reliable, OEM-quality replacement rotors designed to meet or exceed factory specifications. This product line focuses on solid rotors with smooth surfaces, providing consistent braking performance and fitment for a range of vehicles including Hyundai and Kia models. The 121.51021 rotor is part of this line, ensuring compatibility and durability for your vehicle’s braking system.\u003c\/p\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis Centric disc brake rotor features a solid design with a smooth surface type, optimized for standard braking applications. The rotor measures 11.181 inches in outside diameter and has a nominal thickness of 0.394 inches, with a discard thickness of 0.331 inches, indicating when replacement is necessary. The overall height is 2.146 inches, and it includes five lug holes sized at 0.492 inches diameter, arranged on a 4.5-inch bolt circle. The center hole diameter is 2.992 inches, ensuring proper mounting on compatible Hyundai and Kia vehicles. This rotor does not include an ABS tone ring or bearings and weighs approximately 10.3 pounds.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on Hyundai Azera, Sonata, Tucson and Kia Cadenza, Optima\u003c\/li\u003e\n\u003cli\u003eResolves brake pulsation and vibration caused by uneven rotor surfaces\u003c\/li\u003e\n\u003cli\u003eAddresses reduced braking efficiency due to rotor thickness below discard limits\u003c\/li\u003e\n\u003cli\u003eEliminates noise and squealing from damaged or scored rotors\u003c\/li\u003e\n\u003cli\u003eRestores proper rotor dimensions for safe and effective braking\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure rotor thickness is measured before installation to confirm discard limits\u003c\/li\u003e\n\u003cli\u003eClean rotor surface and hub mounting area to prevent uneven contact\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; 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 strict quality standards, ensuring reliable performance and fitment. While specific warranty details for part number 121.51021 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. It is recommended to consult the product packaging or Centric’s official resources for exact warranty terms.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":44568113578165,"sku":"BKNJ-121.51021","price":38.2,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12151021_Fro.jpg?v=1774638627","url":"https:\/\/www.partcatalog.com\/products\/centric-121-51021-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}