{"product_id":"k-n-engineering-ru-3870-universal-clamp-on-air-filter-3-inch-flange","title":"K\u0026N Engineering RU-3870 Universal Clamp-On Air Filter, 3-Inch Flange","description":"K\u0026amp;N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K\u0026amp;N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1\/16 of an inch (1.5mm) to fit in-between sizes. K\u0026amp;N universal air filters are washable and reusable.\nRegardless of the angle or offset diameter of an air intake, there is probably a K\u0026amp;N Universal air filter for your equipment. K\u0026amp;N universal air filters are washable and reusable.\nAssociated products: 25-3900 Air Filter Foam Wrap, 99-5000 Filter Care Service Kit Aerosol\n\u003cul\u003e\n  \u003cli\u003eNO-HASSLE WARRANTY: 1-Year Limited Warranty\u003c\/li\u003e\n  \u003cli\u003eOne Year Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe K\u0026amp;N Engineering RU-3870 Universal Clamp-On Air Filter is designed for a wide range of automotive, racing, powersports, equipment, and other custom air-intake applications. Its universal design accommodates air-intake systems with angled or offset inlet configurations, making it a practical choice for applications where a vehicle-specific replacement filter is not available.\u003c\/p\u003e\u003cp\u003eConstructed with a strong, pliable molded rubber flange, the K\u0026amp;N RU-3870 helps absorb vibration while providing a secure connection to the intake tube. The flexible flange can stretch slightly to accommodate minor variations between sizes, supporting a reliable fit across compatible intake assemblies. Its reusable filter media can be cleaned and serviced instead of routinely replaced, helping simplify long-term maintenance when used with the appropriate K\u0026amp;N filter care products.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrief Description:\u003c\/strong\u003e Universal clamp-on air filter for compatible 3-inch air-intake applications, featuring a flexible rubber flange and washable, reusable construction.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Product Specifications \u0026amp; Technical Data:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: K\u0026amp;N Engineering\u003c\/li\u003e\n\u003cli\u003ePart Number: RU-3870\u003c\/li\u003e\n\u003cli\u003eProduct Type: Universal automotive air filter\u003c\/li\u003e\n\u003cli\u003eInlet Flange: 3 inches\u003c\/li\u003e\n\u003cli\u003eBase Diameter: 5 inches\u003c\/li\u003e\n\u003cli\u003eTop Diameter: 4-1\/2 inches\u003c\/li\u003e\n\u003cli\u003eOverall Height: 5 inches\u003c\/li\u003e\n\u003cli\u003eService Type: Washable and reusable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e One K\u0026amp;N Engineering RU-3870 universal clamp-on air filter. Recommended associated products include the K\u0026amp;N 25-3900 Air Filter Foam Wrap and 99-5000 Filter Care Service Kit Aerosol.\u003c\/p\u003e\u003cp\u003eThis product is not CARB approved and may require acknowledgment of applicable emissions restrictions before purchase or installation. Confirm air-intake tube size, clearance, flange orientation, and application requirements before ordering. Fitment data should be verified against the vehicle or equipment manufacturer's specifications when available. Backed by a K\u0026amp;N one-year limited warranty.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUniversal Compatibility: Designed for a wide range of automotive, racing, powersports, generator, tractor, snowmobile, and custom air-intake applications.\u003c\/li\u003e\n\u003cli\u003eFlexible Rubber Flange: Molded pliable rubber helps absorb vibration, maintain a secure attachment, and accommodate minor size variations.\u003c\/li\u003e\n\u003cli\u003eWashable and Reusable: Cleanable filter construction supports repeated service and reduces the need for frequent replacement filters.\u003c\/li\u003e\n\u003cli\u003eApplication Flexibility: Suitable for compatible angled or offset air-intake configurations where a universal clamp-on filter is required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: true\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCarb Acknowledgement Required: true\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLtl Freight Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProp 65: Y\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Type: automotive\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEpa: N\/A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eRegular Stock: t\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUnits Per Sku: 1\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":67593878470908,"sku":"RU-3870","price":98.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/5a9936cfa7785b738a52db4a410efea9.jpg?v=1790549304","url":"https:\/\/diycustoms.store\/products\/k-n-engineering-ru-3870-universal-clamp-on-air-filter-3-inch-flange","provider":"diycustoms.store","version":"1.0","type":"link"}