{"product_id":"k-n-18-19-yamaha-yz450f-replacement-air-filter","title":"K\u0026N 2018-2019 Yamaha YZ450F Replacement Air Filter","description":"\u003ch2 data-path-to-node=\"2\"\u003e\u003cspan style=\"color: rgb(190, 30, 30);\"\u003e\u003cstrong\u003eK\u0026amp;N Replacement Air Filter for 2018-2019 Yamaha YZ450F | High-Flow\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-path-to-node=\"4\"\u003e\u003cspan style=\"color: rgb(11, 10, 10);\"\u003eBoost performance with the K\u0026amp;N YA-4518XD air filter for 2018-2019 Yamaha YZ450F. Washable, reusable cotton gauze media designed for maximum off-road protection.\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"citation-215 citation-end-215\"\u003eThe K\u0026amp;N YA-4518XD is a high-performance, \"XD\" (Extra-Duty) replacement air filter specifically engineered for the 2018-2019 Yamaha YZ450F.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-214 citation-end-214\"\u003eConstructed with multiple layers of oiled cotton gauze media, this filter provides a significantly larger surface area compared to stock filters, resulting in lower restriction and increased airflow.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e This improved breathability is designed to enhance horsepower and torque while maintaining exceptional filtration levels required for harsh off-road environments.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-213 citation-end-213\"\u003eDesigned to be a direct \"drop-in\" replacement, the filter fits perfectly into the factory OEM airbox without any modifications.\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e It features an application-specific sealing bead to ensure a leak-proof fit. A unique advantage of this XD model is the included dry foam pre-filter, which can be used to extend service intervals in extremely dusty conditions or removed for maximum airflow during track use.\u003c\/p\u003e\n\u003ch4 class=\"MsoNormal\"\u003e\u003cb\u003eBest Uses\u003c\/b\u003e\u003c\/h4\u003e\n\u003col style=\"margin-top: 0cm;\" start=\"1\" type=\"1\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eMotocross \u0026amp; Racing:\u003c\/b\u003e Ideal for competitive track use where maximum airflow and throttle response are critical.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eDusty Trail Riding:\u003c\/b\u003e Perfect for long-distance off-road endurance where the dual-stage foam pre-filter protects against heavy silt and debris.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eHigh-Altitude Performance:\u003c\/b\u003e Helps maintain smooth carburetion and engine efficiency when riding in thinner air without the immediate need for jetting changes.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4 class=\"MsoNormal\"\u003e\u003cb\u003eFeatures\u003c\/b\u003e\u003c\/h4\u003e\n\u003col style=\"margin-top: 0cm;\" start=\"1\" type=\"1\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eHigh-Flow Cotton Media:\u003c\/b\u003e Layered, woven cotton gauze provides superior airflow and engine protection.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eWashable \u0026amp; Reusable:\u003c\/b\u003e Can be cleaned and re-oiled multiple times, eliminating the need for frequent disposable replacements.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eDual-Stage Protection:\u003c\/b\u003e Includes a dry foam pre-filter for extra endurance in heavy dust; can be run with or without the foam insert.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eOEM Direct Fit:\u003c\/b\u003e Custom engineered to fit the 2018-2019 Yamaha YZ450F airbox precisely with a secure sealing bead.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003ePre-Oiled Ready to Ride:\u003c\/b\u003e The filter comes factory-oiled and ready for immediate installation out of the box.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4 class=\"MsoNormal\"\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/h4\u003e\n\u003col style=\"margin-top: 0cm;\" start=\"1\" type=\"1\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eIncreased Horsepower:\u003c\/b\u003e Enhances engine performance and acceleration by reducing intake restriction.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eLong-Term Cost Savings:\u003c\/b\u003e The reusable design means you only buy one filter for the life of the bike.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eMaximum Engine Life:\u003c\/b\u003e Advanced filtration captures harmful contaminants even in extreme off-road conditions.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eEasy Maintenance:\u003c\/b\u003e Simple to service using a K\u0026amp;N Recharger kit; the foam pre-filter can be cleaned with basic soap and water.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eReliable Sealing:\u003c\/b\u003e Precision-molded frame prevents \"dirty air\" from bypassing the filter, protecting the intake valves and cylinder.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003eThis Part Fits:\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019-2020\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eWR450F\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019-2023\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ250F\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2023\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ250F Monster Energy Yamaha Racing Edition\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018-2022\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ450F\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2022\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ450F Monster Energy Yamaha Racing Edition\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019-2023\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ450FX\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":46839076323482,"sku":"KNNYA-4518XD","price":75.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0429\/6124\/0218\/files\/19a2a0c1a18655d289165086b106739c.jpg?v=1764604118","url":"https:\/\/2to4wheels.com\/fr\/products\/k-n-18-19-yamaha-yz450f-replacement-air-filter","provider":"2to4wheels","version":"1.0","type":"link"}