{"product_id":"bsnovt-radiator-overflow-hose-cooling-breathe-tube-oe-replacement-for-audi-a4-a5-quattro-2017-2021","title":"BSNOVT Radiator Overflow Hose – Cooling Breathe Tube, OE Replacement for Audi A4\/A5 Quattro (2017-2021)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe BSNOVT Radiator Overflow Hose, also known as the cooling breathe tube, is designed to channel excess coolant from the engine to the expansion\/overflow reservoir. Built to endure high engine temperatures and daily road vibrations, this hose supports steady temperature management and helps maintain a balanced cooling system without altering the vehicle’s core design.\u003c\/p\u003e\n\u003cp\u003eAs an OE replacement, it directly substitutes the OEM part 8W0121081AN, offering a hassle-free swap for select Audi models. The materials and construction are chosen to perform reliably under demanding driving conditions, giving you a practical upgrade that aligns with your vehicle’s original cooling design.\u003c\/p\u003e\n\n\u003ch3\u003eFitment at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Audi A4 (2017-2020)\u003c\/li\u003e\n  \u003cli\u003eAudi A4 Quattro (2017-2021)\u003c\/li\u003e\n  \u003cli\u003eAudi A4 allroad (2017-2020)\u003c\/li\u003e\n  \u003cli\u003eAudi A5 Quattro (2018-2020)\u003c\/li\u003e\n  \u003cli\u003eAudi A5 Sportback (2018-2020)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy this hose matters\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDirects excess coolant to the overflow reservoir, supporting engine temperature regulation during hot days or spirited driving\u003c\/li\u003e\n  \u003cli\u003eDirect OE replacement ensures a precise fit and dependable performance with minimal modification\u003c\/li\u003e\n  \u003cli\u003eHigh-temperature-resistant materials resist engine heat and road vibrations for lasting durability\u003c\/li\u003e\n  \u003cli\u003eSingle-hose package simplifies installation and provides a clean, straightforward replacement path\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEasy installation and care\u003c\/h3\u003e\n\u003cp\u003eThis kit is designed for a straightforward swap on the original 8W0121081AN line. Before installing, inspect routing paths and end connections for wear, cracks, or leaks to ensure a proper seal.\u003c\/p\u003e\n\n\u003ch3\u003eQuality you can rely on\u003c\/h3\u003e\n\u003cp\u003e BSNOVT focuses on practical automotive components that support reliable cooling performance. This hose combines sturdy materials with a thoughtful design to help you handle daily commutes and longer trips with confidence.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which vehicles is the BSNOVT Radiator Overflow Hose compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with Audi A4 (2017–2020), A4 Quattro (2017–2021), A4 allroad (2017–2020), A5 Quattro (2018–2020), and A5 Sportback (2018–2020).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the kit include and what is its purpose?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes one coolant hose; replaces OE 8W0121081AN and directs excess coolant to the overflow reservoir to support proper engine temperature.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BSNOVT","offers":[{"title":"Default Title","offer_id":42468873699413,"sku":"B0DRVBNJ66","price":38.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/bsnovt-radiator-overflow-hose-cooling-breathe-tube.jpg?v=1778081989","url":"https:\/\/plentytorque.co.uk\/products\/bsnovt-radiator-overflow-hose-cooling-breathe-tube-oe-replacement-for-audi-a4-a5-quattro-2017-2021","provider":"PlentyTorque","version":"1.0","type":"link"}