{"product_id":"centric-121-66042-disc-brake-rotor","title":"Centric 121.66042 Disc Brake Rotor - Front","description":"\u003ch2\u003eReliable Disc Brake Rotor for GM Trucks and SUVs\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.66042 is engineered for dependable braking performance on select Cadillac, Chevrolet, GMC, and Hummer vehicles. Designed to meet OEM specifications, this vented rotor ensures consistent heat dissipation and smooth braking for heavy-duty applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVented disc brake rotor with straight vane design for effective cooling\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 1.496 inches (38.000 mm) and discard thickness of 1.437 inches (36.500 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height of 3.512 inches (89.200 mm) and outside diameter of 12.787 inches (324.800 mm)\u003c\/li\u003e\n\u003cli\u003eFloating disc mounting with 8 lug holes, 0.650 inch (16.500 mm) diameter each\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple GM models including Silverado 1500 HD, Sierra 2500 HD, and Cadillac DeVille\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 range of GM trucks and SUVs. This product line focuses on delivering rotors with precise dimensions and vented designs to maintain optimal temperature control during braking, which is critical for vehicles like the Chevrolet Silverado 1500 HD and GMC Sierra 2500 HD that often handle heavy loads.\u003c\/p\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis Centric rotor features a smooth surface type and a vented design with straight vanes to enhance airflow and reduce heat buildup. The rotor’s floating disc mounting and two miscellaneous holes contribute to proper fitment and performance. With a center hole diameter of 4.650 inches (118.100 mm) and a mounting bolt hole circle diameter of 6.500 inches (165.100 mm), it is engineered for precise installation. Weighing approximately 25.72 lbs (11.69 kgs), this rotor balances durability and weight for effective braking response.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCadillac DeVille\u003c\/li\u003e\n\u003cli\u003eChevrolet Avalanche 2500, Silverado 1500 HD, Silverado 2500, Suburban 2500\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 1500 HD, Sierra 2500 HD, Yukon XL 2500\u003c\/li\u003e\n\u003cli\u003eHummer H2\u003c\/li\u003e\n\u003cli\u003eChevrolet Express 2500, Express 3500, Savana 2500, Savana 3500\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Rotor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake rotor warping due to heat buildup\u003c\/li\u003e\n\u003cli\u003eReduced braking efficiency from worn or thin rotors\u003c\/li\u003e\n\u003cli\u003eVibration or pulsation during braking\u003c\/li\u003e\n\u003cli\u003eUneven brake pad wear caused by rotor surface irregularities\u003c\/li\u003e\n\u003cli\u003eNoise or squealing related to rotor surface condition\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the rotor discard thickness of 1.437 inches (36.500 mm) is not exceeded before installation. Clean the rotor surface to remove any protective coatings or debris. Verify compatibility with your vehicle’s lug pattern and mounting specifications, including the 8 lug holes and 6.500 inch bolt circle diameter. Proper torque specifications should be followed to avoid rotor distortion. This rotor does not include bearings or an ABS tone ring, so verify if your vehicle requires these components separately.\u003c\/p\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 are not provided here, Centric typically offers coverage against defects in materials and workmanship. Refer to Centric’s official documentation for complete warranty information.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":44571114930357,"sku":"BKNJ-121.66042","price":52.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12166042_Fro_a2f0a42e-149a-4ed0-8cd1-9ce7451b071b.jpg?v=1774638782","url":"https:\/\/www.partcatalog.com\/products\/centric-121-66042-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}