{"product_id":"centric-121-66018-disc-brake-rotor","title":"Centric 121.66018 Disc Brake Rotor - Front or Rear","description":"\u003ch2\u003eReliable Disc Brake Rotor for Chevrolet and GMC Trucks\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.66018 is engineered for dependable braking performance on Chevrolet P30 and GMC P3500 models. Designed to meet OEM specifications, this vented rotor ensures consistent heat dissipation and smooth braking under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Chevrolet P30 and GMC P3500\u003c\/li\u003e\n\u003cli\u003ePart number 121.66018 for precise fitment\u003c\/li\u003e\n\u003cli\u003eVented disc design with straight vane style for improved cooling\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 1.535 inches (39.000 mm) and discard thickness of 1.465 inches (37.210 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height of 4.378 inches (111.200 mm) and outside diameter of 13.740 inches (349.000 mm)\u003c\/li\u003e\n\u003cli\u003e10 mounting bolt holes with a bolt circle diameter of 7.248 inches (184.100 mm)\u003c\/li\u003e\n\u003cli\u003eSmooth surface type for consistent pad contact\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 rotors manufactured to meet or exceed OEM standards, providing reliable braking performance for a variety of vehicle applications. This product line focuses on delivering rotors with precise dimensions and quality materials, ensuring compatibility and durability for vehicles like the Chevrolet P30 and GMC P3500. The 121.66018 rotor is part of this line, featuring vented construction and a smooth surface to maintain effective braking and heat management.\u003c\/p\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor features a vented design with straight vanes that promote efficient airflow to reduce heat buildup during braking. The rotor's nominal thickness is 1.535 inches (39.000 mm), with a discard thickness of 1.465 inches (37.210 mm), indicating when replacement is necessary to maintain safe braking performance. The overall height measures 4.378 inches (111.200 mm), and the outside diameter is 13.740 inches (349.000 mm), ensuring proper fitment on the specified truck models. It includes 10 mounting bolt holes with a diameter of 0.669 inches (17.000 mm) arranged on a bolt circle diameter of 7.248 inches (184.100 mm). The center hole diameter is 5.504 inches (139.800 mm), and the rotor mounts behind the hub. This rotor does not include an ABS tone ring or bearings.\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\u003eRestores braking efficiency on Chevrolet P30 and GMC P3500 trucks\u003c\/li\u003e\n\u003cli\u003eAddresses rotor thickness below discard limits to maintain safety\u003c\/li\u003e\n\u003cli\u003eImproves heat dissipation to reduce brake fade during heavy use\u003c\/li\u003e\n\u003cli\u003eEnsures proper fitment with 10-bolt mounting for secure installation\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 mounting surfaces to prevent uneven rotor seating\u003c\/li\u003e\n\u003cli\u003eTorque mounting bolts to manufacturer specifications for safety\u003c\/li\u003e\n\u003cli\u003eCheck for compatibility with existing brake pads and hardware\u003c\/li\u003e\n\u003cli\u003eInspect hub and wheel bearings during installation as bearings are not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eCentric's C-TEK Standard Disc Brake Rotors are manufactured to meet OEM quality standards, ensuring reliable performance and durability. While specific warranty details for part number 121.66018 are not provided here, Centric typically offers coverage against defects in materials and workmanship. Always consult product documentation or manufacturer resources for complete warranty information.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":44571113226421,"sku":"BKNJ-121.66018","price":86.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12166018_Fro.jpg?v=1774638775","url":"https:\/\/www.partcatalog.com\/products\/centric-121-66018-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}