{"product_id":"centric-121-66057-disc-brake-rotor","title":"Centric 121.66057 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 121.66057 is engineered to provide consistent braking performance for a range of Chevrolet, GMC, and Cadillac vehicles. Designed as a vented rotor with a smooth surface, it offers effective heat dissipation and reliable stopping power for models like the Silverado 1500, Sierra 1500, and Escalade.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVented disc brake rotor with smooth surface for efficient heat management\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 1.181 inches (30.000 mm) and discard thickness of 1.102 inches (28.000 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height of 2.165 inches (55.000 mm) and outside diameter of 12.992 inches (330.000 mm)\u003c\/li\u003e\n\u003cli\u003eFloating disc mounting design with 6 stud\/lug holes (0.633 inches diameter)\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple GM models including Chevrolet Silverado 1500 and Cadillac Escalade\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 OEM specifications for standard replacement rotors. This product line focuses on delivering reliable braking performance with precise fitment and consistent quality. The 121.66057 rotor maintains the original equipment dimensions and features a vented design to help reduce brake fade under normal driving conditions.\u003c\/p\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor features a vented design with straight vanes to optimize airflow and cooling during braking. The smooth surface finish ensures proper pad bedding and consistent contact. With a center hole diameter of 3.091 inches (78.500 mm) and a mounting bolt hole circle diameter of 5.531 inches (140.500 mm), it fits securely on compatible hubs. The rotor weighs approximately 25.5 lbs (11.59 kgs), balancing durability and performance. Note that this rotor does not include an ABS tone ring or bearings.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Avalanche, Silverado 1500, Silverado 1500 Classic, Silverado 1500 LD, Suburban 1500, Tahoe\u003c\/li\u003e\n\u003cli\u003eGMC Sierra, Sierra 1500, Sierra 1500 Classic, Sierra 1500 Limited, Yukon, Yukon XL, Yukon XL 1500, Savana 1500, Express 1500\u003c\/li\u003e\n\u003cli\u003eCadillac Escalade, Escalade ESV, Escalade EXT, XTS, Cheyenne\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Rotor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake rotor warping causing vibration during braking\u003c\/li\u003e\n\u003cli\u003eExcessive brake noise due to worn or uneven rotors\u003c\/li\u003e\n\u003cli\u003eReduced braking efficiency from rotor thickness below discard limits\u003c\/li\u003e\n\u003cli\u003eOverheating and brake fade during extended use\u003c\/li\u003e\n\u003cli\u003eUneven pad wear caused by rotor surface imperfections\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the rotor mounting surface and hub are clean and free of rust before installation. Verify the rotor thickness is above the discard thickness of 1.102 inches (28.000 mm) before mounting. Use proper torque specifications for the 6 lug nuts (0.633 inches diameter) to secure the rotor. Since this rotor does not include bearings or an ABS tone ring, reuse existing components or replace separately as needed. It is recommended to replace brake pads simultaneously for optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eCentric's C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. Each rotor undergoes strict quality control to ensure durability and consistent braking performance. Warranty coverage details should be confirmed with the product documentation or manufacturer.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":44571117519029,"sku":"BKNJ-121.66057","price":69.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12166057_Fro_4e36444a-18ce-4507-883b-128fe485e4be.jpg?v=1774638786","url":"https:\/\/www.partcatalog.com\/products\/centric-121-66057-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}