{"product_id":"skp-sk603703-engine-coolant-reservoir","title":"SKP SK603703 Engine Coolant Reservoir","description":"\u003ch2\u003eEngine Coolant Reservoir Overview\u003c\/h2\u003e\u003cp\u003eThis SKP engine coolant reservoir is a direct-fit replacement for select Audi and Volkswagen applications. It is built for vehicles that need a replacement expansion tank with the correct fitment and connection points for the cooling system.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect-fit replacement for select European cooling system applications\u003c\/li\u003e\n\u003cli\u003eEngine coolant reservoir for maintaining proper coolant expansion and recovery\u003c\/li\u003e\n\u003cli\u003eFits Audi A4, A6, S4, RS6, and Allroad Quattro applications listed below\u003c\/li\u003e\n\u003cli\u003eFits Volkswagen Passat applications listed below\u003c\/li\u003e\n\u003cli\u003eSKP part number SK603703 for easy identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Fitment\u003c\/h2\u003e\u003cp\u003eCompatible With 1998-2005 Audi A4, 1998-2005 Audi A4 Quattro, 1998-2005 Audi A6, 1998-2005 Audi A6 Quattro, 2000-2002 Audi S4, 2003-2004 Audi RS6, 2003-2005 Audi Allroad Quattro, and 1998-2005 Volkswagen Passat. For 1998 Audi A4 and A4 Quattro, fitment applies from VIN 8D-W-007 800. For 1998 Audi A6 and A6 Quattro, fitment applies from VIN 4B-W-000 001.\u003c\/p\u003e\u003cp\u003eThis part cross-references Dorman - OE Solutions (e.g., 603-703) for the same application. SK603703 is a practical replacement choice when the original reservoir is cracked, leaking, or no longer holding coolant properly.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a cracked or damaged coolant reservoir\u003c\/li\u003e\n\u003cli\u003eRestoring coolant expansion and recovery function\u003c\/li\u003e\n\u003cli\u003eAddressing coolant loss from reservoir leaks\u003c\/li\u003e\n\u003cli\u003eCorrecting fitment issues with an aging expansion tank\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle year, model, and VIN break before ordering, especially for 1998 Audi A4, A4 Quattro, A6, and A6 Quattro applications. Compare the original reservoir to the replacement part before installation to confirm hose routing and mounting details. SK603703 should be matched to the cooling system configuration listed in the fitment data.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSKP replacement cooling components are built as application-specific parts for the listed Audi and Volkswagen fitments. Part number SK603703 is identified for straightforward catalog matching and service replacement.\u003c\/p\u003e","brand":"SKP","offers":[{"title":"Default Title","offer_id":53540921442485,"sku":"GQLW-SK603703","price":28.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/5K_SK603703_Fro.jpg?v=1792214144","url":"https:\/\/www.partcatalog.com\/products\/skp-sk603703-engine-coolant-reservoir","provider":"PartCatalog","version":"1.0","type":"link"}