{"product_id":"dynamic-friction-604-73032-disc-brake-rotor","title":"Dynamic Friction 604-73032 Disc Brake Rotor - Rear","description":"\u003ch2\u003eRear Brake Rotor for Audi S4\u003c\/h2\u003e\u003cp\u003eThe Dynamic Friction DFC GEOSPEC Coated Rotor, part number 604-73032, is a rear disc brake rotor for 2004-2009 Audi S4 applications. It is built as a vented rotor with a GEOSPEC coated finish to support corrosion resistance on the non-friction surfaces.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: Dynamic Friction\u003c\/li\u003e\n\u003cli\u003eBrand line: DFC GEOSPEC Coated Rotor\u003c\/li\u003e\n\u003cli\u003ePart number: 604-73032\u003c\/li\u003e\n\u003cli\u003eRear disc brake rotor for Audi S4 fitment\u003c\/li\u003e\n\u003cli\u003eVented rotor design\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 300 mm\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 22 mm\u003c\/li\u003e\n\u003cli\u003eDiscard thickness: 20 mm\u003c\/li\u003e\n\u003cli\u003eHeight: 36 mm\u003c\/li\u003e\n\u003cli\u003eInside diameter: 68 mm\u003c\/li\u003e\n\u003cli\u003eBolt hole quantity: 5\u003c\/li\u003e\n\u003cli\u003eBolt hole diameter: 15 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDFC GEOSPEC Coated Rotor Details\u003c\/h2\u003e\u003cp\u003eThe DFC GEOSPEC Coated Rotor line focuses on coated brake rotor construction for cleaner service appearance and added protection on exposed surfaces. For Audi S4 rear brake service, the 604-73032 rotor matches the listed dimensions and vented configuration needed for proper replacement selection. The 604-73032 is specified for 2004-2009 Audi S4 rear brake applications and should be matched to the vehicle’s existing rotor dimensions before installation.\u003c\/p\u003e\u003ch2\u003eWhat This Rotor Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRear brake rotor wear from normal pad contact\u003c\/li\u003e\n\u003cli\u003eRotor surface corrosion on exposed areas\u003c\/li\u003e\n\u003cli\u003eBrake pulsation related to rotor thickness loss\u003c\/li\u003e\n\u003cli\u003eNoise or vibration caused by uneven rotor condition\u003c\/li\u003e\n\u003cli\u003eService replacement needs on 2004-2009 Audi S4 rear brake systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rotor diameter, thickness, center bore, bolt pattern, and height against the existing part before installation. This rotor is listed for the rear position on 2004-2009 Audi S4 models, so confirm rear axle application and inspect pads, caliper condition, and hub surfaces during service. Proper cleaning of the hub face helps support even rotor seating and consistent brake performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eManufactured under the Dynamic Friction DFC GEOSPEC Coated Rotor product line, this rotor is built to the published dimensional specifications for the listed Audi S4 rear application. Part number 604-73032 is identified for direct-fit replacement selection based on the provided fitment data.\u003c\/p\u003e","brand":"Dynamic Friction","offers":[{"title":"Default Title","offer_id":43389603250357,"sku":"HBHR-604-73032","price":56.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_60473032_Fro_129dab5d-bf60-4dd1-bf6f-76d7aa615eb8.jpg?v=1774634271","url":"https:\/\/www.partcatalog.com\/products\/dynamic-friction-604-73032-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}