{"product_id":"centric-121-65138-disc-brake-rotor","title":"Centric 121.65138 Disc Brake Rotor - Front","description":"\u003ch2\u003eOverview of Centric C-TEK Standard Disc Brake Rotor 121.65138\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.65138 is engineered for reliable braking performance on Ford F-250 Super Duty and F-350 Super Duty trucks. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for heavy-duty applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Ford F-250 Super Duty and F-350 Super Duty models\u003c\/li\u003e\n\u003cli\u003ePart number 121.65138 for precise identification\u003c\/li\u003e\n\u003cli\u003eVented disc brake rotor design for improved cooling\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 1.496 inches (38.000 mm) and discard thickness of 1.433 inches (36.400 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height of 3.941 inches (100.100 mm) and outside diameter of 14.291 inches (363.000 mm)\u003c\/li\u003e\n\u003cli\u003eFloating disc mounting with 8 lug holes, each 0.634 inches (16.100 mm) in diameter\u003c\/li\u003e\n\u003cli\u003eOEM vane count of 67 with straight vane style for efficient airflow\u003c\/li\u003e\n\u003cli\u003eWeight approximately 40.45 lbs (18.36 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 is designed to meet or exceed OEM specifications for standard replacement rotors. This product line focuses on delivering reliable braking performance with precise fitment and consistent quality. The 121.65138 rotor maintains the original equipment dimensions and features a vented design to help manage heat buildup during heavy braking, making it suitable for Ford Super Duty trucks used in demanding conditions.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Centric disc brake rotor features a vented design with 67 straight vanes, which enhances heat dissipation and reduces the risk of brake fade during extended use. The smooth surface finish ensures even pad contact and consistent braking performance. With a floating disc mounting and 8 lug holes, this rotor is engineered for secure installation on Ford F-250 and F-350 Super Duty models. The rotor’s nominal thickness of 1.496 inches (38.000 mm) and discard thickness of 1.433 inches (36.400 mm) provide clear service limits for maintenance and replacement. The overall height and outside diameter are designed to match OEM specifications, ensuring proper fit and function.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on Ford F-250 Super Duty and F-350 Super Duty\u003c\/li\u003e\n\u003cli\u003eResolves brake pulsation caused by uneven rotor surfaces\u003c\/li\u003e\n\u003cli\u003eAddresses overheating and brake fade in heavy-duty towing or hauling\u003c\/li\u003e\n\u003cli\u003eImproves braking consistency and pedal feel\u003c\/li\u003e\n\u003cli\u003eRestores proper rotor thickness for safe braking performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify compatibility with Ford F-250 Super Duty and F-350 Super Duty before installation\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and replace if worn to ensure optimal rotor performance\u003c\/li\u003e\n\u003cli\u003eClean rotor surface before installation to remove any protective coatings\u003c\/li\u003e\n\u003cli\u003eTorque lug nuts to manufacturer specifications to avoid rotor warping\u003c\/li\u003e\n\u003cli\u003eCheck rotor thickness regularly and replace when reaching discard thickness\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. Each rotor undergoes rigorous quality control to ensure durability and performance. While specific warranty details for part number 121.65138 should be confirmed with the supplier, Centric generally offers coverage against defects in materials and workmanship.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":44571107918005,"sku":"BKNJ-121.65138","price":107.67,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12165138_Fro.jpg?v=1774638765","url":"https:\/\/www.partcatalog.com\/products\/centric-121-65138-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}