{"product_id":"centric-121-45078-disc-brake-rotor","title":"Centric 121.45078 Disc Brake Rotor - Front","description":"\u003ch2\u003eOverview of Centric C-TEK Standard Disc Brake Rotor 121.45078\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.45078 is engineered for reliable braking performance on Mazda 3 models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for everyday driving conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Mazda 3 vehicles\u003c\/li\u003e\n\u003cli\u003ePart number 121.45078 for precise identification\u003c\/li\u003e\n\u003cli\u003eVented disc brake rotor design for improved cooling\u003c\/li\u003e\n\u003cli\u003eOverall diameter of 12.598 inches (320 mm)\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 0.984 inches (25 mm) with discard thickness at 0.906 inches (23 mm)\u003c\/li\u003e\n\u003cli\u003eFloating disc mounting style with straight vane design\u003c\/li\u003e\n\u003cli\u003e5 lug holes with a bolt circle diameter of 4.5 inches (114.3 mm)\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter of 2.835 inches (72 mm)\u003c\/li\u003e\n\u003cli\u003eWeight approximately 21 lbs (9.56 kgs)\u003c\/li\u003e\n\u003cli\u003eABS tone ring not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Centric C-TEK Standard Disc Brake Rotor 121.45078 is a vented rotor designed to provide effective heat dissipation during braking, reducing the risk of brake fade. The smooth surface finish ensures consistent pad contact and braking performance. With a nominal thickness of 0.984 inches (25 mm) and a discard thickness of 0.906 inches (23 mm), this rotor meets the specifications required for safe and reliable operation. The floating disc mounting style combined with straight vane design enhances airflow and cooling efficiency. The rotor features a 5-lug hole pattern with a 4.5-inch (114.3 mm) bolt circle diameter, making it compatible with Mazda 3 models requiring this fitment. The overall diameter of 12.598 inches (320 mm) and center hole diameter of 2.835 inches (72 mm) ensure proper fitment and alignment.\u003c\/p\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 quality materials and precise manufacturing tolerances. The 121.45078 rotor is part of this line, offering a vented design and smooth surface to maintain consistent braking feel and durability for Mazda 3 vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on Mazda 3\u003c\/li\u003e\n\u003cli\u003eResolves brake pulsation caused by uneven rotor surfaces\u003c\/li\u003e\n\u003cli\u003eAddresses reduced braking efficiency due to rotor thinning\u003c\/li\u003e\n\u003cli\u003eImproves heat dissipation to prevent brake fade during extended use\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 rotor dimensions and bolt pattern match your Mazda 3 before installation\u003c\/li\u003e\n\u003cli\u003eEnsure the rotor surface is clean and free of contaminants prior to mounting\u003c\/li\u003e\n\u003cli\u003eTorque lug nuts to manufacturer specifications to avoid rotor warping\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and replace if worn to ensure optimal rotor performance\u003c\/li\u003e\n\u003cli\u003eCheck for proper rotor runout after installation to prevent vibration\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 strict quality standards, ensuring consistent performance and durability. While specific warranty details for part number 121.45078 should be confirmed with the supplier, Centric typically offers limited warranties covering defects in materials and workmanship. This rotor is produced with precision engineering to provide reliable braking for Mazda 3 vehicles.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":44568080842933,"sku":"BKNJ-121.45078","price":65.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12145078_Fro_77190db9-b1d1-4879-be11-cae5704e4e02.jpg?v=1774638574","url":"https:\/\/www.partcatalog.com\/products\/centric-121-45078-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}