{"product_id":"ate-sp12166-disc-brake-rotor","title":"ATE SP12166 Disc Brake Rotor - Rear","description":"\u003ch2\u003eATE Coated Rotor for Rear Brake Service\u003c\/h2\u003e\u003cp\u003eThe ATE Coated Single Pack Rotor SP12166 is a rear disc brake rotor built for select Audi applications. It combines a full cast metal construction with a rust resistant coating and a non-directional finish to support consistent braking performance and cleaner service life.\u003c\/p\u003e\u003cp\u003eATE draws on Continental Automotive Systems brake engineering, bringing aftermarket parts that reflect original equipment development standards. The ATE Coated Single Pack Rotor line focuses on coated brake discs with first-quality materials and precise manufacturing for drivers who need a direct replacement rotor for rear brake service.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number SP12166\u003c\/li\u003e\n\u003cli\u003eRear disc brake rotor for select Audi A4 and Audi A4 Quattro applications\u003c\/li\u003e\n\u003cli\u003e288.00 mm outside diameter\u003c\/li\u003e\n\u003cli\u003e12.00 nominal thickness\u003c\/li\u003e\n\u003cli\u003eSolid rotor design\u003c\/li\u003e\n\u003cli\u003eFull cast metal construction\u003c\/li\u003e\n\u003cli\u003eRust resistant coating for added surface protection\u003c\/li\u003e\n\u003cli\u003eNon-directional disc finish\u003c\/li\u003e\n\u003cli\u003e5 bolt hole diameter\u003c\/li\u003e\n\u003cli\u003eHeight: 2.251\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eATE SP12166 is a coated rear brake rotor engineered for 2005-2009 Audi A4 and Audi A4 Quattro models listed in the fitment data. It is built to meet or exceed OEM specifications for North American applications, with a solid rotor profile, 288 mm diameter, and coated surface treatment that helps protect the rotor during storage and early service exposure. If you are searching for a rear brake rotor for 2005-2008 Audi A4 Quattro or a rear brake rotor for 2009 Audi A4, SP12166 is the correct reference to verify against your vehicle.\u003c\/p\u003e\u003cp\u003eThis part cross-references Bosch 14010053 and Brembo 08.A332.11 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Reasons for Replacement\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRear brake pulsation or vibration during stopping\u003c\/li\u003e\n\u003cli\u003eVisible rotor wear, scoring, or uneven surface condition\u003c\/li\u003e\n\u003cli\u003eCorrosion on the braking surface or rotor hat area\u003c\/li\u003e\n\u003cli\u003eBrake noise caused by worn or uneven rear rotors\u003c\/li\u003e\n\u003cli\u003eReduced braking consistency on Audi A4 and Audi A4 Quattro rear brake systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm rear axle fitment by matching the vehicle year, model, and rotor dimensions before installation. Inspect pads, caliper hardware, and hub condition at the same time so the new rotor seats evenly. Clean the rotor surface before service to remove any protective residue from packaging or handling.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eATE brake parts are developed with Continental Automotive Systems engineering experience and produced to a higher standard than conventional replacement parts. The coated rotor design reflects ATE’s focus on premium brake materials and OE-oriented manufacturing for the aftermarket.\u003c\/p\u003e","brand":"ATE","offers":[{"title":"Default Title","offer_id":43384215240885,"sku":"CNJW-SP12166","price":56.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/AE_SP12166_Fro_9dc6dd44-3d15-48f1-8809-013ac10fb632.jpg?v=1774633352","url":"https:\/\/www.partcatalog.com\/products\/ate-sp12166-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}