{"product_id":"4f0121403m-4f0121403b-4f0121403f-q-coolant-radiator-expansion-tank-for-audi-a6-c6-2004-2011-a6-s6-quattro-2006-2011","title":"Expansion Tank with Coolant Level Sensor for Audi A6 C6 S6 Quattro Engine Cooling System","description":"\u003cdiv\u003e\n\u003ch2\u003eMain Description\u003c\/h2\u003e\n\u003cp\u003eRestore reliable cooling performance with this expansion tank designed for Audi A6 C6 and S6 quattro models. This 100% new radiator coolant expansion tank includes a built-in coolant level sensor for accurate monitoring and seamless integration with your vehicle’s monitoring system. It is a direct replacement that fits the same mounting points as the original part, helping to prevent leaks, coolant loss, and overheating without the need for complex modifications. The tank is crafted from durable plastic and rubber to withstand high engine temperatures and long-term use, ensuring consistent cooling system integrity across drives.\u003c\/p\u003e\n\u003cp\u003eThe expansion tank is compatible with OEM numbers 4F0121403 and its variants (4F0121403M, 4F0121403B, 4F0121403F, 4F0121403Q), making it a precise match for many A6 C6 and S6 quattro configurations. It’s offered without a cap, so you can reuse your existing cap if it’s in good condition, or replace it separately as needed. If you’re unsure about fitment, sharing your VIN will help us confirm compatibility quickly and accurately. This part suits a range of C6 Audi engines and years, including 2004–2011 models, across multiple configurations.\u003c\/p\u003e\n\u003cp\u003eAll electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.\u003c\/p\u003e\n\u003cp\u003eAt intercyprus.com since 2002 — trusted for quality and reliability.\u003c\/p\u003e \u003ch3\u003eBenefits \u0026amp; Tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDirect replacement that restores proper coolant containment and level sensing, reducing the risk of overheating and engine damage.\u003c\/li\u003e \u003cli\u003eWith the integrated coolant level sensor, you’ll get accurate readings and timely warnings, helping you maintain coolant levels between services.\u003c\/li\u003e \u003cli\u003eTip: After installation, check for any leaks and verify the sensor readings with a cold engine before driving. If you’re swapping from a damaged tank, inspect the surrounding hoses for wear and replace as needed to prevent future coolant leaks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e MAX NOLOGY\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVehicle Fitment:\u003c\/strong\u003e For AUDI A6 C6, A6\/S6 quattro\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM No. (compatible):\u003c\/strong\u003e 4F0121403, 4F0121403M, 4F0121403B, 4F0121403F, 4F0121403Q\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic and rubber\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e 100% New Product\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e 1 piece Tank\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWith coolant level sensor:\u003c\/strong\u003e Yes\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCap:\u003c\/strong\u003e Not included\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 years or 50,000 kilometers under normal use\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect replacement:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePackage includes:\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e1 piece of Expansion Tank\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWarnings \/ Reminders\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCap is not included; reuse your existing cap or purchase a replacement separately. \u003c\/li\u003e \u003cli\u003eTo ensure correct fitment, confirm part number and vehicle compatibility using your VIN. The VIN (17 characters) is typically found on the lower corner of the windshield or on the vehicle registration certificate.\u003c\/li\u003e \u003cli\u003eWarranty guidelines: full 3-year warranty or 50,000 km limit, depending on which occurs first. For warranty claims, provide fault codes, photos or videos, and current mileage. If item is damaged on arrival, contact us for exchange or refund with supporting photos.\u003c\/li\u003e \u003cli\u003eIn all cases, please confirm you need this exact product before purchase to avoid unnecessary returns.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eLanguage support:\u003c\/strong\u003e English, with additional regional support available on request where applicable.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eProviding quality and trusted service since 2002 at intercyprus.com\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"InterCyprus Trading Ltd","offers":[{"title":"Default Title","offer_id":52754136662358,"sku":"1005009572094902-Default Title","price":110.11,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0530\/0604\/1274\/files\/S84104ec09cbd4024b138bd8c29a43fe6i.webp?v=1772730936","url":"https:\/\/www.intercyprus.com\/fr\/products\/4f0121403m-4f0121403b-4f0121403f-q-coolant-radiator-expansion-tank-for-audi-a6-c6-2004-2011-a6-s6-quattro-2006-2011","provider":"InterCyprus Trading Ltd","version":"1.0","type":"link"}