{"product_id":"centric-121-65090-disc-brake-rotor","title":"Centric 121.65090 Disc Brake Rotor - Rear","description":"\u003ch2\u003eReliable Disc Brake Rotor for Ford Explorer and Mercury Mountaineer\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.65090 is engineered to provide consistent braking performance for Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer models. Designed as a solid rotor with a smooth surface, it meets OEM specifications to ensure proper fit and function.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer\u003c\/li\u003e\n\u003cli\u003ePart number 121.65090 for precise identification\u003c\/li\u003e\n\u003cli\u003eSolid disc brake rotor with smooth surface finish\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 0.476 inches (12.1 mm) and discard thickness of 0.433 inches (11.0 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter of 11.85 inches (301 mm) and overall height of 2.291 inches (58.2 mm)\u003c\/li\u003e\n\u003cli\u003eFive lug holes with 0.539 inch (13.7 mm) diameter and 4.5 inch (114.3 mm) bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter of 3.228 inches (82 mm)\u003c\/li\u003e\n\u003cli\u003eWeight approximately 14 lbs (6.36 kg)\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 designed to meet or exceed OEM standards for fit, form, and function. This product line focuses on providing reliable, direct replacement rotors that maintain factory specifications, ensuring consistent braking performance and durability. The 121.65090 rotor is part of this line, delivering solid rotor construction and smooth surface finish suitable for daily driving conditions on compatible Ford and Mercury vehicles.\u003c\/p\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis Centric disc brake rotor features a solid design with a smooth surface type, optimized for vehicles without ABS tone rings. The rotor's nominal thickness is 0.476 inches (12.1 mm), with a discard thickness of 0.433 inches (11.0 mm), indicating when replacement is necessary to maintain safe braking. The outside diameter measures 11.85 inches (301 mm), and the overall height is 2.291 inches (58.2 mm). It includes five lug holes sized at 0.539 inches (13.7 mm) on a 4.5 inch (114.3 mm) bolt circle diameter, and a center hole diameter of 3.228 inches (82 mm). This rotor weighs approximately 14 pounds (6.36 kg), balancing durability and ease of installation.\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\u003eAddressing rotor thickness below discard limits to restore braking efficiency\u003c\/li\u003e\n\u003cli\u003eResolving uneven brake pad wear due to rotor surface imperfections\u003c\/li\u003e\n\u003cli\u003eUpgrading to OEM-spec rotors for consistent braking performance on Ford Explorer and Mercury Mountaineer\u003c\/li\u003e\n\u003cli\u003eEliminating noise or vibration issues related to damaged rotors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure rotor thickness is measured before installation to confirm discard limits\u003c\/li\u003e\n\u003cli\u003eClean rotor surface and hub mounting area to prevent runout and vibration\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications on lug nuts to avoid rotor warping\u003c\/li\u003e\n\u003cli\u003eCheck compatibility with vehicle ABS system; this rotor does not include an ABS tone ring\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and replace if necessary to ensure optimal rotor performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eCentric C-TEK Standard Disc Brake Rotors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 121.65090 should be confirmed with the manufacturer or distributor, Centric generally provides coverage against defects in materials and workmanship. This rotor is engineered to meet OEM specifications for Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer models, supporting safe and effective braking.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":44568242356405,"sku":"BKNJ-121.65090","price":46.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12165090_Fro_436f1d98-6440-4e36-a238-b89b09ea5530.jpg?v=1774638751","url":"https:\/\/www.partcatalog.com\/products\/centric-121-65090-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}