{"product_id":"k-n-engine-air-filter-18-000-mile-life-fits-hyundai-sonata-sonata-hybrid-kia-optima-more-kna-5026","title":"K\u0026N Engine Air Filter 18,000 Mile Life | Fits Hyundai Sonata, Sonata Hybrid, Kia Optima \u0026 More | KNA-5026","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eSince 1969, K\u0026amp;N has blended airflow with protection to deliver performance you can feel. The K\u0026amp;N Engine Air Filter with an 18,000 mile life is designed to offer a long-life option for drivers who rack up highway miles, daily commutes, or road trips. It uses premium media (synthetic or cellulose blend, depending on application) to support strong airflow while delivering up to 99% filtration efficiency, helping to keep the intake cleaner as you drive.\u003c\/p\u003e\n\u003cp\u003eDesigned to install in your factory air box in minutes, this filter aims to meet or exceed OEM specifications. The extended life model means fewer filter changes over time compared with traditional disposable filters, and the product comes with a straightforward 1-year limited warranty for added peace of mind.\u003c\/p\u003e\n\u003ch3\u003eWhat makes this filter stand out\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRugged construction built to last up to 18,000 miles under typical highway use.\u003c\/li\u003e\n  \u003cli\u003eExtended life with roughly 50% more miles than standard 12,000-mile filters.\u003c\/li\u003e\n  \u003cli\u003eSuperior filtration with up to 99% efficiency to help protect the engine from contaminants.\u003c\/li\u003e\n  \u003cli\u003eReplace every 18,000 miles under normal driving conditions (about 1.5 years for many drivers).\u003c\/li\u003e\n  \u003cli\u003eNo-hassle warranty: 1-year limited coverage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility and easy installation\u003c\/h3\u003e\n\u003cp\u003eCompatibility spans Hyundai and Kia models noted in the official specs, including 2015–2019 Hyundai Sonata, 2016–2019 Hyundai Sonata Hybrid, 2016–2020 Kia Optima, and 2017–2020 Kia Optima Hybrid. The broader family can include related variants such as Cadenza, K5, and K7 in the product line.\u003c\/p\u003e\n\u003cp\u003eThe filter is engineered to install into the factory air box with minimal effort. You can typically complete the swap in minutes, without tools or with minimal hand-tool use, depending on your vehicle and air box design. This helps you maintain a factory-like fit while upgrading to a long-life filter.\u003c\/p\u003e\n\u003ch3\u003eReal-world use and benefits\u003c\/h3\u003e\n\u003cp\u003eIn everyday driving, the 18,000 mile life translates to fewer mid-cycle maintenance stops and a potential reduction in recurring filter changes on long road trips. Practically, the filter supports steady airflow and consistent performance as you accumulate highway miles, city commutes, or weekend getaways. While results can vary by driving conditions, the design focuses on delivering reliable filtration and easier maintenance over the long run.\u003c\/p\u003e\n\u003ch3\u003eWarranty and assurance\u003c\/h3\u003e\n\u003cp\u003eK\u0026amp;N pairs performance with support, offering a 1-year limited warranty on this filter to accompany its OEM-style fit and long-life design.\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: How long does the 18,000 mile air filter last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typically replacement is every 18,000 miles under normal highway driving, about 1.5 years for many drivers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this filter meet OEM specifications?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It is designed to meet or exceed OEM specifications and install in minutes for a factory-fit.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":42466139963477,"sku":"B0DJPRC15Y","price":35.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/kn-advantage-plus-air-filter-closeup-18k-life.jpg?v=1778040550","url":"https:\/\/plentytorque.co.uk\/products\/k-n-engine-air-filter-18-000-mile-life-fits-hyundai-sonata-sonata-hybrid-kia-optima-more-kna-5026","provider":"PlentyTorque","version":"1.0","type":"link"}