{"product_id":"k-n-engineering-ru-4690-universal-round-tapered-air-filter","title":"K\u0026N Engineering RU-4690 Universal Round Tapered Air Filter","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: 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-4690 Universal Round Tapered Air Filter is designed for a wide range of automotive, racing, powersports, generator, tractor, snowmobile, and other equipment applications. Its tapered round profile accommodates air intake systems with varying angles or offset diameters, providing a practical solution where a conventional replacement filter may not fit.\u003c\/p\u003e\u003cp\u003eThe filter uses an ultra-strong, pliable molded rubber flange that helps absorb vibration and maintain a secure connection to the intake tube. The flange can stretch slightly to help accommodate in-between fitments. Built for repeated use, the K\u0026amp;N Engineering RU-4690 is washable and reusable when serviced with the appropriate filter care products, including the associated K\u0026amp;N 99-5000 Filter Care Service Kit Aerosol.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrief Description\u003c\/strong\u003e\u003cbr\u003eReusable universal round tapered air filter for select automotive and specialty applications, including BMW 3 Series models. This product is not CARB approved and may require acknowledgment before installation in regulated applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Product Specifications \u0026amp; Technical Data\u003c\/strong\u003e\u003cbr\u003eBrand: K\u0026amp;N Engineering\u003cbr\u003ePart Number: RU-4690\u003cbr\u003eFilter Type: Universal round tapered air filter\u003cbr\u003eFlange Style: Molded pliable rubber\u003cbr\u003eServiceability: Washable and reusable\u003cbr\u003eApplication Type: Automotive and specialty equipment\u003cbr\u003eWarranty: One-year limited warranty\u003cbr\u003eCARB Status: Not CARB approved\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included in the Box\u003c\/strong\u003e\u003cbr\u003eOne K\u0026amp;N Engineering RU-4690 Universal Round Tapered Air Filter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003cbr\u003eFits select 1992-1999 BMW 325i, 328i, and 328is applications. Verify intake configuration and vehicle-specific compatibility before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant Information\u003c\/strong\u003e\u003cbr\u003eThis product is not CARB approved. California customers should confirm applicable emissions requirements before purchase or installation. Service the filter according to K\u0026amp;N recommendations to maintain filtration performance and reusability.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUniversal Compatibility: Designed for a wide variety of automotive, racing, powersports, generator, tractor, snowmobile, and specialty equipment applications.\u003c\/li\u003e\n\u003cli\u003eVibration-Resistant Flange: Ultra-strong molded rubber construction absorbs vibration and helps maintain a secure intake connection.\u003c\/li\u003e\n\u003cli\u003eFlexible Fitment: The pliable flange can stretch slightly to accommodate select in-between intake sizes.\u003c\/li\u003e\n\u003cli\u003eWashable and Reusable: Clean and reuse the filter with the appropriate K\u0026amp;N filter care products to support long-term service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n1991 Jeep Cherokee Base\u003cbr\u003e\n1991 Jeep Cherokee Briarwood\u003cbr\u003e\n1991 Jeep Cherokee Laredo\u003cbr\u003e\n1991 Jeep Cherokee Limited\u003cbr\u003e\n1991 Jeep Cherokee Sport\u003cbr\u003e\n1992 BMW 325i Base\u003cbr\u003e\n1992 BMW 325is Base\u003cbr\u003e\n1992 Jeep Cherokee Base\u003cbr\u003e\n1992 Jeep Cherokee Briarwood\u003cbr\u003e\n1992 Jeep Cherokee Laredo\u003cbr\u003e\n1992 Jeep Cherokee Limited\u003cbr\u003e\n1992 Jeep Cherokee Sport\u003cbr\u003e\n1993 BMW 325i Base\u003cbr\u003e\n1993 BMW 325is Base\u003cbr\u003e\n1993 Jeep Cherokee Base\u003cbr\u003e\n1993 Jeep Cherokee Country\u003cbr\u003e\n1993 Jeep Cherokee Sport\u003cbr\u003e\n1993 Jeep Grand Cherokee Base\u003cbr\u003e\n1993 Jeep Grand Cherokee Laredo\u003cbr\u003e\n1993 Jeep Grand Cherokee Limited\u003cbr\u003e\n1994 BMW 325i Base\u003cbr\u003e\n1994 BMW 325is Base\u003cbr\u003e\n1994 Jeep Cherokee Country\u003cbr\u003e\n1994 Jeep Cherokee SE\u003cbr\u003e\n1994 Jeep Cherokee Sport\u003cbr\u003e\n1994 Jeep Grand Cherokee Laredo\u003cbr\u003e\n1994 Jeep Grand Cherokee Limited\u003cbr\u003e\n1994 Jeep Grand Cherokee SE\u003cbr\u003e\n1995 BMW 325i Base\u003cbr\u003e\n1995 BMW 325is Base\u003cbr\u003e\n1995 BMW M3 Base\u003cbr\u003e\n1995 BMW M3 Lightweight\u003cbr\u003e\n1995 Jeep Cherokee Country\u003cbr\u003e\n1995 Jeep Cherokee SE\u003cbr\u003e\n1995 Jeep Cherokee Sport\u003cbr\u003e\n1995 Jeep Grand Cherokee Laredo\u003cbr\u003e\n1995 Jeep Grand Cherokee Limited\u003cbr\u003e\n1995 Jeep Grand Cherokee Orvis\u003cbr\u003e\n1995 Jeep Grand Cherokee SE\u003cbr\u003e\n1996 BMW 328i Base\u003cbr\u003e\n1996 BMW 328is Base\u003cbr\u003e\n1996 BMW M3 Base\u003cbr\u003e\n1996 Jeep Cherokee Classic\u003cbr\u003e\n1996 Jeep Cherokee Country\u003cbr\u003e\n1996 Jeep Cherokee SE\u003cbr\u003e\n1996 Jeep Cherokee Sport\u003cbr\u003e\n1996 Jeep Grand Cherokee Laredo\u003cbr\u003e\n1996 Jeep Grand Cherokee Limited\u003cbr\u003e\n1997 BMW 328i Base\u003cbr\u003e\n1997 BMW 328is Base\u003cbr\u003e\n1997 BMW M3 Base\u003cbr\u003e\n1997 Jeep Cherokee Country\u003cbr\u003e\n1997 Jeep Cherokee SE\u003cbr\u003e\n1997 Jeep Cherokee Sport\u003cbr\u003e\n1997 Jeep Grand Cherokee Laredo\u003cbr\u003e\n1997 Jeep Grand Cherokee Limited\u003cbr\u003e\n1997 Jeep Grand Cherokee Orvis\u003cbr\u003e\n1997 Jeep Grand Cherokee TSi\u003cbr\u003e\n1998 BMW 323is Base\u003cbr\u003e\n1998 BMW 328i Base\u003cbr\u003e\n1998 BMW 328is Base\u003cbr\u003e\n1998 BMW M3 Base\u003cbr\u003e\n1998 Jeep Cherokee Classic\u003cbr\u003e\n1998 Jeep Cherokee Limited\u003cbr\u003e\n1998 Jeep Cherokee SE\u003cbr\u003e\n1998 Jeep Cherokee Sport\u003cbr\u003e\n1998 Jeep Grand Cherokee Laredo\u003cbr\u003e\n1998 Jeep Grand Cherokee Limited\u003cbr\u003e\n1998 Jeep Grand Cherokee TSi\u003cbr\u003e\n1999 BMW 323is Base\u003cbr\u003e\n1999 BMW 328i Base\u003cbr\u003e\n1999 BMW 328is Base\u003cbr\u003e\n1999 BMW M3 Base\u003cbr\u003e\n1999 Jeep Cherokee Classic\u003cbr\u003e\n1999 Jeep Cherokee Limited\u003cbr\u003e\n1999 Jeep Cherokee SE\u003cbr\u003e\n1999 Jeep Cherokee Sport\u003cbr\u003e\n2000 Jeep Cherokee Classic\u003cbr\u003e\n2000 Jeep Cherokee Limited\u003cbr\u003e\n2000 Jeep Cherokee SE\u003cbr\u003e\n2000 Jeep Cherokee Sport\u003cbr\u003e\n2001 Jeep Cherokee Classic\u003cbr\u003e\n2001 Jeep Cherokee Limited\u003cbr\u003e\n2001 Jeep Cherokee SE\u003cbr\u003e\n2001 Jeep Cherokee Sport\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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