{"product_id":"centric-121-45091-disc-brake-rotor-rear","title":"Centric 121.45091 Disc Brake Rotor - Rear","description":"\u003ch2\u003eReliable Disc Brake Rotor for Mazda CX-9\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.45091 is engineered to provide consistent braking performance for your Mazda CX-9. Designed with precision, this solid rotor meets OEM specifications to ensure proper fit and function.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Mazda CX-9 models\u003c\/li\u003e\n\u003cli\u003ePart number 121.45091 for accurate identification\u003c\/li\u003e\n\u003cli\u003eSolid disc brake rotor with smooth surface finish\u003c\/li\u003e\n\u003cli\u003eOutside diameter of 12.791 inches (324.9 mm)\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 0.433 inches (11.0 mm) and discard thickness of 0.354 inches (9.0 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height of 1.776 inches (45.1 mm)\u003c\/li\u003e\n\u003cli\u003eFive stud\/lug holes with 0.524 inch (13.3 mm) diameter\u003c\/li\u003e\n\u003cli\u003eFloating disc mounting design\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. This product line focuses on delivering reliable braking performance with consistent dimensions and quality materials. The 121.45091 rotor is part of this line, providing a solid rotor design with a smooth surface ideal for everyday driving conditions on the Mazda CX-9.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications and Features\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor features a solid construction with a smooth surface type, ensuring even pad contact and braking efficiency. The rotor measures 12.791 inches in outside diameter and has a nominal thickness of 0.433 inches, with a discard thickness of 0.354 inches, indicating when replacement is necessary. The overall height is 1.776 inches, and it includes a floating disc mounting design for proper alignment and heat dissipation. The rotor has five stud\/lug holes with a diameter of 0.524 inches and a mounting bolt hole circle diameter of 4.5 inches (114.3 mm). The center hole diameter is 2.677 inches (68.0 mm), and the rotor weighs approximately 13.55 lbs (6.16 kgs). 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 on Mazda CX-9\u003c\/li\u003e\n\u003cli\u003eAddresses brake pulsation and vibration issues\u003c\/li\u003e\n\u003cli\u003eRestores proper braking surface for improved stopping power\u003c\/li\u003e\n\u003cli\u003eEliminates noise caused by uneven rotor wear\u003c\/li\u003e\n\u003cli\u003ePrevents brake fade due to rotor overheating\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the rotor surface is clean and free of debris before installation. Verify the rotor thickness is above the discard thickness specification to maintain safety. Use proper torque specifications for mounting bolts and check for proper alignment with the floating disc mounting design. This rotor does not include bearings or ABS tone rings, so reuse existing components if applicable.\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 standards for fit, form, and function. While specific warranty details are not provided, Centric products typically undergo rigorous quality control to ensure durability and performance for Mazda CX-9 vehicles.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":52115981566133,"sku":"BKNJ-121.45091","price":51.74,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12145091_Fro.jpg?v=1775161184","url":"https:\/\/www.partcatalog.com\/products\/centric-121-45091-disc-brake-rotor-rear","provider":"PartCatalog","version":"1.0","type":"link"}