{"product_id":"zimmermann-100-3386-70-disc-brake-rotor-front","title":"Zimmermann 100.3386.70 Disc Brake Rotor - Front","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eZimmermann 100.3386.70 is a vented disc brake rotor built for front axle applications on select Audi models. It combines a coated surface with alloyed high-carbon machining and an aluminum hub floating design for a precise OE-style brake service part.\u003c\/p\u003e\u003cp\u003eCompatible With 2019-2021 Audi A7 Sportback, front; 2019-2021 Audi A8 Quattro, front; 2020-2021 Audi S7 Sportback, front; 2020-2021 Audi S8, front; 2020 Audi A6 allroad, front; 2019-2020 Audi A6 Quattro, front; and 2020 Audi S6, front.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVented brake disc construction for consistent heat management.\u003c\/li\u003e\n\u003cli\u003eCoated surface helps protect the rotor finish before installation.\u003c\/li\u003e\n\u003cli\u003eAlloyed high-carbon machining supports stable braking performance.\u003c\/li\u003e\n\u003cli\u003eAluminum hub floating quality for accurate rotor construction.\u003c\/li\u003e\n\u003cli\u003eECE R90 approved inspection tag for regulated replacement standards.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThe Zimmermann 100.3386.70 rotor measures 349 mm in outer diameter, 34 mm thickness, and 57 mm height, with a 32.0 mm minimum thickness. It uses a 112 mm bolt hole circle, 68 mm centering diameter, and a 6\/5 hole arrangement. This rotor is a direct-fit brake service component for Audi A7 Sportback, Audi A8 Quattro, and related front applications where the original brake disc specification calls for this size and configuration.\u003c\/p\u003e\u003cp\u003eThis part cross-references Audi 4M0 615 301 Q for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores braking performance when the original rotor is worn below service limits.\u003c\/li\u003e\n\u003cli\u003eAddresses brake pulsation caused by rotor thickness variation or surface wear.\u003c\/li\u003e\n\u003cli\u003eReplaces a scored or heat-affected front brake disc.\u003c\/li\u003e\n\u003cli\u003eSupports proper brake pad contact when the existing rotor surface is uneven.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify rotor diameter, thickness, bolt pattern, and centering diameter before installation. Confirm front-position fitment against the vehicle’s brake specification and inspect pads, caliper condition, and hub surfaces during service. The coated finish should be handled carefully during installation to avoid unnecessary surface damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eZimmermann identifies this rotor with ECE R90 approval, indicating compliance with recognized replacement brake disc standards. Part number 100.3386.70 is also associated with Zimmermann 100.3386.75 as a cross-reference within the same rotor family.\u003c\/p\u003e","brand":"Zimmermann","offers":[{"title":"Default Title","offer_id":53546742841525,"sku":"BKND-100.3386.70","price":494.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZI_100338670_Fro.jpg?v=1792307606","url":"https:\/\/www.partcatalog.com\/products\/zimmermann-100-3386-70-disc-brake-rotor-front","provider":"PartCatalog","version":"1.0","type":"link"}