{"product_id":"a-premium-upper-radiator-coolant-hose-for-bmw-x3-x4-f25-f26-expansion-tank-reinforced-heat-resistant-rubber","title":"A-Premium Upper Radiator Coolant Hose for BMW X3\/X4 F25 F26 — Expansion Tank, Reinforced Heat-Resistant Rubber","description":"\u003cp\u003e\u003cstrong\u003eA-Premium upper radiator coolant hose is a direct-fit replacement for BMW X3\/X4 expansion tank connections, engineered to meet OEM dimensions and withstand engine bay heat and pressure.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis upper coolant hose from A-Premium replaces the factory line that runs between the expansion tank and the cooling system on specified BMW F25 and F26 models. Built from reinforced rubber and plastic components, it is shaped for the factory routing and carries reference numbers 17128651298 and SK121360 for quick identification. The part is precision-molded to the original inside diameter and connection angles so installation is straightforward for DIY mechanics and professional shops alike.\u003c\/p\u003e\n\n\u003ch3\u003eWhich BMW models and engines is this hose compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis hose fits a range of BMW F25 and F26 chassis and specific engine types listed by the manufacturer. Confirm vehicle year and engine code before purchase to ensure correct fitment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBMW X3 F25: 2013–2017 L4 2.0L turbocharged\u003c\/li\u003e\n  \u003cli\u003eBMW X3 F25: 2011–2017 L6 3.0L turbocharged and 2011–2012 L6 3.0L naturally aspirated\u003c\/li\u003e\n  \u003cli\u003eBMW X4 F26: 2015–2017 L4 2.0L and L6 3.0L turbocharged\u003c\/li\u003e\n  \u003cli\u003eDesigned for petrol engines and expansion-tank upper connection location\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this hose hold up to heat, pressure, and long-term use?\u003c\/h3\u003e\n\u003cp\u003eA-Premium manufactures this hose from heat-resistant rubber combined with durable plastic fittings to resist swelling, hardening, and coolant degradation. The product undergoes stress testing and quality control to align with or surpass OE expectations, reducing premature failure risk.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReinforced rubber compound for thermal stability\u003c\/li\u003e\n  \u003cli\u003ePlastic connector sections molded to OE angles for leak-free joins\u003c\/li\u003e\n  \u003cli\u003eTested to meet typical engine bay pressure and vibration cycles\u003c\/li\u003e\n  \u003cli\u003ePackaged in a protective box to prevent shipping damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know about installation and fitment checks?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward when replacing the upper expansion-tank hose; clamps and mating surfaces should be inspected and replaced if corroded. Confirm the inside diameter and reference number to match the original hose before starting work.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInside diameter: 1.5 inch—verify against the original hose\u003c\/li\u003e\n  \u003cli\u003eReference numbers: 17128651298, SK121360 for cross-checking\u003c\/li\u003e\n  \u003cli\u003eSold as a single unit—replace clamps and coolant as needed\u003c\/li\u003e\n  \u003cli\u003eFollow vehicle OEM service manual torque and bleed procedures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty and support come with this A-Premium hose?\u003c\/h3\u003e\n\u003cp\u003eA-Premium backs this radiator coolant hose with a one-year, unlimited-mileage guarantee, giving buyers a safety net against manufacturing defects. Customer support is available for fitment questions and warranty claims.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-year unlimited-mileage guarantee from A-Premium\u003c\/li\u003e\n  \u003cli\u003eQuality control testing documented by the manufacturer\u003c\/li\u003e\n  \u003cli\u003eBox packaging to protect part during transit\u003c\/li\u003e\n  \u003cli\u003eCustomer support for compatibility and returns\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This product is aimed at BMW owners, independent mechanics, and service shops replacing a worn or leaking upper radiator\/expansion-tank hose on compatible X3 (F25) and X4 (F26) models. It suits people who need an OE-dimension, durable replacement with a straightforward installation path and warranty support, whether performing routine cooling system maintenance or repairing a coolant leak.\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: Will this hose fit my BMW X3 2012 3.0L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes if your X3 F25 is a 2011–2012 L6 3.0L (naturally aspirated) or listed engine; match the reference numbers 17128651298 or SK121360 to confirm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the hose come with clamps or coolant?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, the product includes one hose only; replace clamps and coolant separately as recommended during installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-Premium","offers":[{"title":"Default Title","offer_id":48084501987486,"sku":"B09H5J1W8M","price":30.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/a-premium-front-packaging-bmw-upper-hose.jpg?v=1785857672","url":"https:\/\/northtrailauto.ca\/products\/a-premium-upper-radiator-coolant-hose-for-bmw-x3-x4-f25-f26-expansion-tank-reinforced-heat-resistant-rubber","provider":"North Trail Auto","version":"1.0","type":"link"}