{"product_id":"centric-121-66001-disc-brake-rotor","title":"Centric 121.66001 Disc Brake Rotor - Front","description":"\u003ch2\u003eOverview of Centric C-TEK Standard Disc Brake Rotor 121.66001\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.66001 is engineered for reliable braking performance on Chevrolet and GMC heavy-duty trucks. Designed specifically for models like the Chevrolet C30, C3500, GMC G30, P30, and R3500, this vented rotor ensures consistent heat dissipation and durability under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Chevrolet C30, C3500, GMC G30, P30, P3500, R30, and R3500 models\u003c\/li\u003e\n\u003cli\u003ePart number 121.66001 for precise identification\u003c\/li\u003e\n\u003cli\u003eVented disc brake rotor with smooth surface finish\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 1.535 inches (38.990 mm) and discard thickness of 1.465 inches (37.210 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter of 12.508 inches (317.700 mm) for proper fitment\u003c\/li\u003e\n\u003cli\u003eEight stud\/lug holes with 0.563 inch (14.3 mm) thread diameter\u003c\/li\u003e\n\u003cli\u003eMounting bolt hole circle diameter of 6.5 inches (165.100 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height of 7.677 inches (195.000 mm)\u003c\/li\u003e\n\u003cli\u003eStraight vane style for effective cooling\u003c\/li\u003e\n\u003cli\u003eDoes not include ABS tone ring or bearings\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 applications. These rotors are designed to meet or exceed OEM specifications, providing consistent braking performance and durability. The 121.66001 rotor features a vented design to improve heat dissipation, which helps maintain braking efficiency during extended use on Chevrolet and GMC trucks.\u003c\/p\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor has a nominal thickness of 1.535 inches (38.990 mm) and a discard thickness of 1.465 inches (37.210 mm), ensuring it meets safety standards for replacement. The rotor’s outside diameter measures 12.508 inches (317.700 mm), and it features eight stud holes with a thread diameter of 0.563 inches (14.3 mm). The mounting bolt hole circle diameter is 6.5 inches (165.100 mm), and the rotor’s overall height is 7.677 inches (195.000 mm). The smooth surface finish and straight vane style contribute to effective heat dissipation and reduced brake fade. Note that this rotor does not include an ABS tone ring or bearings, so these components must be sourced separately if required.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on Chevrolet C30, C3500, GMC G30, P30, and R3500 trucks\u003c\/li\u003e\n\u003cli\u003eAddresses brake pulsation caused by uneven rotor thickness\u003c\/li\u003e\n\u003cli\u003eImproves braking performance by restoring proper rotor thickness and surface condition\u003c\/li\u003e\n\u003cli\u003eHelps reduce brake fade during heavy-duty or extended braking\u003c\/li\u003e\n\u003cli\u003eSuitable for vehicles experiencing rotor overheating or cracking\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify compatibility with your specific Chevrolet or GMC model before installation\u003c\/li\u003e\n\u003cli\u003eInspect hub and mounting surfaces for cleanliness and damage prior to rotor installation\u003c\/li\u003e\n\u003cli\u003eEnsure proper torque specifications are followed for mounting bolts\u003c\/li\u003e\n\u003cli\u003eReplace brake pads when installing new rotors to optimize braking performance\u003c\/li\u003e\n\u003cli\u003eCheck for ABS tone ring and bearing requirements as this rotor does not include these components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eCentric manufactures the C-TEK Standard Disc Brake Rotors to meet OEM standards for fit, form, and function. Each rotor undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Consult product documentation or Centric directly for warranty terms related to part number 121.66001.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":44571110637749,"sku":"BKNJ-121.66001","price":178.05,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12166001_Fro.jpg?v=1774638770","url":"https:\/\/www.partcatalog.com\/products\/centric-121-66001-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}