{"product_id":"top-shelf-drop-in-replacement-front-engine-coolant","title":"Top Shelf Drop In Replacement Front Engine Coolant Reservoir Expansion Tank Keeps Your Whip Cool And Smooth For Audi A4 Audi A5 Quattro Allroad Q5 2012 To 2016","description":"\u003cdiv\u003eDirect Drop In Coolant Reservoir Tank For Audi Models\u003cbr\u003e\n✔️ Includes tank and cap, fits 12-16 Audi models, OE 8K0121403Q \u003cp\u003eThis direct replacement expansion reservoir catches excess engine coolant and pushes it back when temperatures drop.\u003c\/p\u003e ✅ Preassembled ready to mount, drops right over old cracked units\u003cbr\u003e\n✅ Polypropylene build handles heavy heat cycles without warping\u003cbr\u003e\n✅ Matches factory thread pattern for leak free sealing under load\u003cbr\u003e\n✅ Replaces part numbers 8K0121403Q T D G plus V10 4478 directly\u003cbr\u003e \u003cp\u003e💡 Why does a failing coolant reservoir cause sudden overheating during stop and go traffic?\u003c\/p\u003e\n\u003cp\u003eThe actual reservoir controls the pressure curve inside the radiator and keeps the water pump fully primed.\u003c\/p\u003e\n\u003cp\u003eBypassing the lost volume throws off the thermostat timing\u003c\/p\u003e\n\u003cp\u003eMaintaining correct static fluid height keeps the drive belts running cool\u003c\/p\u003e\n\u003cp\u003eKeeping a steady heat transfer rate swaps expensive shop visits for a handy fix\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49225372926187,"sku":"VXB0D1XTVD4Y","price":77.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51xiyE1VJRL.jpg?v=1786699778","url":"https:\/\/vxb.com\/products\/top-shelf-drop-in-replacement-front-engine-coolant","provider":"VXB Bearings","version":"1.0","type":"link"}