{"product_id":"genuine-8k0121101j-radiator-coolant-hose","title":"Genuine 8K0121101J Radiator Coolant Hose - Upper or Upper - Main Radiator","description":"\u003ch2\u003eRadiator Coolant Hose for Audi V8 Applications\u003c\/h2\u003e\u003cp\u003eThis Genuine radiator coolant hose is a direct-fit cooling system replacement for select Audi performance models. It is listed under part number 8K0121101J and is used at the upper main radiator position on supported applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGenuine OE replacement radiator coolant hose\u003c\/li\u003e\n\u003cli\u003eUpper radiator hose routing for the main radiator connection\u003c\/li\u003e\n\u003cli\u003eFits 2010-2014 Audi S4, Upper - Main Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2010-2014 Audi S5, Upper - Main Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2008-2010 Audi A5 Quattro, Upper\u003c\/li\u003e\n\u003cli\u003eFits 2009 Audi A4 Quattro, Upper\u003c\/li\u003e\n\u003cli\u003ePart number 8K0121101J for accurate ordering and application matching\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eUse this Genuine coolant hose when replacing the upper radiator hose on supported Audi models. The 8K0121101J hose is specified for upper radiator service on the main radiator in 2010-2014 Audi S4 and S5 applications, plus select A5 Quattro and A4 Quattro fitments. For buyers searching for an Audi S4 upper radiator hose, Audi S5 coolant hose, or 8K0121101J replacement, this part provides the correct application-specific fitment information.\u003c\/p\u003e\u003ch2\u003eCommon Replacement Reasons\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant seepage at the upper radiator hose connection\u003c\/li\u003e\n\u003cli\u003eCracking, swelling, or softening of the hose material\u003c\/li\u003e\n\u003cli\u003eLoss of coolant from a damaged cooling line\u003c\/li\u003e\n\u003cli\u003eOverheating caused by restricted or leaking coolant flow\u003c\/li\u003e\n\u003cli\u003eService replacement during radiator or thermostat work\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the vehicle year, model, and hose position before ordering. Match the upper main radiator routing to the original hose layout on the vehicle, and inspect adjoining clamps, fittings, and coolant connections during service. After installation, refill and bleed the cooling system according to factory procedures to remove trapped air.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eGenuine parts are built to OE application standards for the listed Audi fitments. Verify part number 8K0121101J against the original component before installation.\u003c\/p\u003e","brand":"Genuine","offers":[{"title":"Default Title","offer_id":43908947771573,"sku":"DFPH-8K0121101J","price":96.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/GU_8K0121101J_Top.jpg?v=1775003826","url":"https:\/\/www.partcatalog.com\/products\/genuine-8k0121101j-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}