{"product_id":"k-n-engineering-ru-4730-universal-air-filter-with-3-inch-flange","title":"K\u0026N Engineering RU-4730 Universal Air Filter with 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: RX-4730DK Air Filter Wrap, RX-4730DL Air Filter Wrap, RX-4730DR Air Filter Wrap, RX-4730DY Air Filter 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-4730 Universal Air Filter is designed to provide reliable, reusable air filtration for a wide range of automotive and equipment applications. Its universal configuration accommodates air intakes with various angles and offset diameters, making it a practical choice for racing vehicles, generators, snowmobiles, tractors, radio-controlled cars, and other custom applications. The filter uses a strong, pliable rubber flange that helps absorb vibration and provides a secure connection to the intake system.\u003c\/p\u003e\u003cp\u003eBuilt for repeated use, the K\u0026amp;N Engineering RU-4730 can be washed, serviced, and reused instead of routinely replaced. The flexible flange can stretch slightly to help accommodate in-between intake sizes, supporting a more adaptable installation. This automotive part is not CARB approved, and applicable emissions requirements should be reviewed before installation. It is backed by a one-year limited warranty for added ownership confidence.\u003c\/p\u003e\u003cp\u003eFor compatible BMW applications, this universal air filter fits select 1999–2003 3 Series models, including the 323i, 323Ci, 325i, 325xi, 328i, and 328Ci. Always verify the intake configuration and application requirements before ordering. Compatible filter accessories include K\u0026amp;N RX-4730DK, RX-4730DL, RX-4730DR, and RX-4730DY air filter wraps, along with the 99-5000 Filter Care Service Kit Aerosol.\u003c\/p\u003e\u003ch3\u003eProduct Specifications and Technical Data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: K\u0026amp;N Engineering\u003c\/li\u003e\n\u003cli\u003ePart Number: RU-4730\u003c\/li\u003e\n\u003cli\u003eProduct Type: Universal automotive air filter\u003c\/li\u003e\n\u003cli\u003eFlange Size: 3 inches\u003c\/li\u003e\n\u003cli\u003eBase Diameter: 6 inches\u003c\/li\u003e\n\u003cli\u003eTop Diameter: 5 inches\u003c\/li\u003e\n\u003cli\u003eFilter Height: 6 1\/2 inches\u003c\/li\u003e\n\u003cli\u003eServiceability: Washable and reusable\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOne K\u0026amp;N Engineering RU-4730 Universal Air Filter\u003c\/li\u003e\n\u003cli\u003eOne-year limited warranty coverage\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUniversal Fitment: Designed for a wide variety of intake angles, offset diameters, vehicles, and equipment.\u003c\/li\u003e\n\u003cli\u003eReusable Construction: Washable and reusable design helps reduce the need for frequent filter replacement.\u003c\/li\u003e\n\u003cli\u003eFlexible Rubber Flange: Strong, pliable flange absorbs vibration and supports a secure intake connection.\u003c\/li\u003e\n\u003cli\u003eBroad BMW Compatibility: Fits select 1999–2003 BMW 3 Series applications, including 323i, 323Ci, 325i, 325xi, 328i, and 328Ci models.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n1999 BMW 323i Base\u003cbr\u003e\n1999 BMW 328i Base\u003cbr\u003e\n2000 BMW 323Ci Base\u003cbr\u003e\n2000 BMW 323i Base\u003cbr\u003e\n2000 BMW 328Ci Base\u003cbr\u003e\n2000 BMW 328i Base\u003cbr\u003e\n2000 Mitsubishi Eclipse GS\u003cbr\u003e\n2000 Mitsubishi Eclipse GT\u003cbr\u003e\n2000 Mitsubishi Eclipse RS\u003cbr\u003e\n2001 BMW 325Ci Base\u003cbr\u003e\n2001 BMW 325i Base\u003cbr\u003e\n2001 Mitsubishi Eclipse GS\u003cbr\u003e\n2001 Mitsubishi Eclipse GT\u003cbr\u003e\n2001 Mitsubishi Eclipse RS\u003cbr\u003e\n2001 Mitsubishi Eclipse Spyder GS\u003cbr\u003e\n2001 Mitsubishi Eclipse Spyder GT\u003cbr\u003e\n2002 BMW 325Ci Base\u003cbr\u003e\n2002 BMW 325i Base\u003cbr\u003e\n2002 BMW 325xi Base\u003cbr\u003e\n2002 Chevrolet Trailblazer LS\u003cbr\u003e\n2002 Chevrolet Trailblazer LT\u003cbr\u003e\n2002 Chevrolet Trailblazer LTZ\u003cbr\u003e\n2002 Chevrolet Trailblazer North Face\u003cbr\u003e\n2002 Chevrolet Trailblazer EXT LT\u003cbr\u003e\n2002 Chevrolet Trailblazer EXT North Face\u003cbr\u003e\n2002 GMC Envoy SLE\u003cbr\u003e\n2002 GMC Envoy SLT\u003cbr\u003e\n2002 GMC Envoy XL SLE\u003cbr\u003e\n2002 GMC Envoy XL SLT\u003cbr\u003e\n2002 Mitsubishi Eclipse GS\u003cbr\u003e\n2002 Mitsubishi Eclipse GT\u003cbr\u003e\n2002 Mitsubishi Eclipse RS\u003cbr\u003e\n2002 Mitsubishi Eclipse Spyder GS\u003cbr\u003e\n2002 Mitsubishi Eclipse Spyder GT\u003cbr\u003e\n2002 Mitsubishi Lancer ES\u003cbr\u003e\n2002 Mitsubishi Lancer LS\u003cbr\u003e\n2002 Mitsubishi Lancer OZ Rally\u003cbr\u003e\n2002 Oldsmobile Bravada Base\u003cbr\u003e\n2003 BMW 325Ci Base\u003cbr\u003e\n2003 BMW 325i Base\u003cbr\u003e\n2003 BMW 325xi Base\u003cbr\u003e\n2003 Chevrolet Trailblazer LS\u003cbr\u003e\n2003 Chevrolet Trailblazer LT\u003cbr\u003e\n2003 Chevrolet Trailblazer LTZ\u003cbr\u003e\n2003 Chevrolet Trailblazer North Face\u003cbr\u003e\n2003 Chevrolet Trailblazer EXT LS\u003cbr\u003e\n2003 Chevrolet Trailblazer EXT LT\u003cbr\u003e\n2003 Chevrolet Trailblazer EXT North Face\u003cbr\u003e\n2003 GMC Envoy SLE\u003cbr\u003e\n2003 GMC Envoy SLT\u003cbr\u003e\n2003 GMC Envoy XL SLE\u003cbr\u003e\n2003 GMC Envoy XL SLT\u003cbr\u003e\n2003 Infiniti G35 Base\u003cbr\u003e\n2003 Mitsubishi Eclipse GS\u003cbr\u003e\n2003 Mitsubishi Eclipse GT\u003cbr\u003e\n2003 Mitsubishi Eclipse GTS\u003cbr\u003e\n2003 Mitsubishi Eclipse RS\u003cbr\u003e\n2003 Mitsubishi Eclipse Spyder GS\u003cbr\u003e\n2003 Mitsubishi Eclipse Spyder GT\u003cbr\u003e\n2003 Mitsubishi Eclipse Spyder GTS\u003cbr\u003e\n2003 Mitsubishi Lancer ES\u003cbr\u003e\n2003 Mitsubishi Lancer Evolution\u003cbr\u003e\n2003 Mitsubishi Lancer LS\u003cbr\u003e\n2003 Mitsubishi Lancer OZ Rally\u003cbr\u003e\n2003 Oldsmobile Bravada Base\u003cbr\u003e\n2004 BMW 325Ci Base\u003cbr\u003e\n2004 BMW 325i Base\u003cbr\u003e\n2004 BMW 325xi Base\u003cbr\u003e\n2004 Chevrolet Trailblazer LS\u003cbr\u003e\n2004 Chevrolet Trailblazer LT\u003cbr\u003e\n2004 Chevrolet Trailblazer North Face\u003cbr\u003e\n2004 Chevrolet Trailblazer EXT LS\u003cbr\u003e\n2004 Chevrolet Trailblazer EXT LT\u003cbr\u003e\n2004 Chevrolet Trailblazer EXT North Face\u003cbr\u003e\n2004 GMC Envoy SLE\u003cbr\u003e\n2004 GMC Envoy SLT\u003cbr\u003e\n2004 GMC Envoy XL SLE\u003cbr\u003e\n2004 GMC Envoy XL SLT\u003cbr\u003e\n2004 GMC Envoy XUV SLE\u003cbr\u003e\n2004 GMC Envoy XUV SLT\u003cbr\u003e\n2004 Infiniti G35 Base\u003cbr\u003e\n2004 Infiniti G35 X\u003cbr\u003e\n2004 Mitsubishi Eclipse GS\u003cbr\u003e\n2004 Mitsubishi Eclipse GT\u003cbr\u003e\n2004 Mitsubishi Eclipse GTS\u003cbr\u003e\n2004 Mitsubishi Eclipse RS\u003cbr\u003e\n2004 Mitsubishi Eclipse Spyder GS\u003cbr\u003e\n2004 Mitsubishi Eclipse Spyder GT\u003cbr\u003e\n2004 Mitsubishi Eclipse Spyder GTS\u003cbr\u003e\n2004 Mitsubishi Lancer ES\u003cbr\u003e\n2004 Mitsubishi Lancer Evolution\u003cbr\u003e\n2004 Mitsubishi Lancer LS\u003cbr\u003e\n2004 Mitsubishi Lancer OZ Rally\u003cbr\u003e\n2004 Oldsmobile Bravada Base\u003cbr\u003e\n2004 Volvo S40 T5\u003cbr\u003e\n2005 BMW 325Ci Base\u003cbr\u003e\n2005 BMW 325i Base\u003cbr\u003e\n2005 BMW 325xi Base\u003cbr\u003e\n2005 Chevrolet Trailblazer LS\u003cbr\u003e\n2005 Chevrolet Trailblazer LT\u003cbr\u003e\n2005 Chevrolet Trailblazer EXT LS\u003cbr\u003e\n2005 Chevrolet Trailblazer EXT LT\u003cbr\u003e\n2005 GMC Envoy SLE\u003cbr\u003e\n2005 GMC Envoy SLT\u003cbr\u003e\n2005 GMC Envoy XL SLE\u003cbr\u003e\n2005 GMC Envoy XL SLT\u003cbr\u003e\n2005 GMC Envoy XUV SLE\u003cbr\u003e\n2005 GMC Envoy XUV SLT\u003cbr\u003e\n2005 Infiniti G35 Base\u003cbr\u003e\n2005 Infiniti G35 X\u003cbr\u003e\n2005 Mitsubishi Eclipse GS\u003cbr\u003e\n2005 Mitsubishi Eclipse GT\u003cbr\u003e\n2005 Mitsubishi Eclipse GTS\u003cbr\u003e\n2005 Mitsubishi Eclipse Spyder GS\u003cbr\u003e\n2005 Mitsubishi Eclipse Spyder GT\u003cbr\u003e\n2005 Mitsubishi Eclipse Spyder GTS\u003cbr\u003e\n2005 Mitsubishi Lancer ES\u003cbr\u003e\n2005 Mitsubishi Lancer Evolution\u003cbr\u003e\n2005 Mitsubishi Lancer Evolution MR\u003cbr\u003e\n2005 Mitsubishi Lancer Evolution RS\u003cbr\u003e\n2005 Mitsubishi Lancer OZ Rally\u003cbr\u003e\n2005 Volvo S40 T5\u003cbr\u003e\n2006 Chevrolet Trailblazer LS\u003cbr\u003e\n2006 Chevrolet Trailblazer LT\u003cbr\u003e\n2006 Chevrolet Trailblazer EXT LS\u003cbr\u003e\n2006 Chevrolet Trailblazer EXT LT\u003cbr\u003e\n2006 GMC Envoy SLE\u003cbr\u003e\n2006 GMC Envoy SLT\u003cbr\u003e\n2006 GMC Envoy XL SLE\u003cbr\u003e\n2006 GMC Envoy XL SLT\u003cbr\u003e\n2006 Infiniti G35 Base\u003cbr\u003e\n2006 Infiniti G35 X\u003cbr\u003e\n2006 Isuzu Ascender Base\u003cbr\u003e\n2006 Isuzu Ascender LS\u003cbr\u003e\n2006 Mitsubishi Eclipse GT\u003cbr\u003e\n2006 Mitsubishi Lancer ES\u003cbr\u003e\n2006 Mitsubishi Lancer Evolution\u003cbr\u003e\n2006 Mitsubishi Lancer Evolution MR\u003cbr\u003e\n2006 Mitsubishi Lancer Evolution RS\u003cbr\u003e\n2006 Mitsubishi Lancer Evolution SE\u003cbr\u003e\n2006 Mitsubishi Lancer OZ Rally\u003cbr\u003e\n2006 Mitsubishi Lancer SE\u003cbr\u003e\n2006 Volvo S40 T5\u003cbr\u003e\n2007 Chevrolet Trailblazer LS\u003cbr\u003e\n2007 Chevrolet Trailblazer LT\u003cbr\u003e\n2007 Dodge Caliber R\/T\u003cbr\u003e\n2007 Dodge Caliber SE\u003cbr\u003e\n2007 Dodge Caliber SXT\u003cbr\u003e\n2007 GMC Envoy SLE\u003cbr\u003e\n2007 GMC Envoy SLT\u003cbr\u003e\n2007 Isuzu Ascender S\u003cbr\u003e\n2007 Jeep Compass Limited\u003cbr\u003e\n2007 Jeep Compass Sport\u003cbr\u003e\n2007 Jeep Patriot Limited\u003cbr\u003e\n2007 Jeep Patriot Sport\u003cbr\u003e\n2007 Jeep Wrangler Rubicon\u003cbr\u003e\n2007 Jeep Wrangler Sahara\u003cbr\u003e\n2007 Jeep Wrangler Unlimited Rubicon\u003cbr\u003e\n2007 Jeep Wrangler Unlimited Sahara\u003cbr\u003e\n2007 Jeep Wrangler Unlimited X\u003cbr\u003e\n2007 Jeep Wrangler X\u003cbr\u003e\n2007 Mitsubishi Eclipse GT\u003cbr\u003e\n2007 Mitsubishi Eclipse Spyder GT\u003cbr\u003e\n2008 Chevrolet Trailblazer Base\u003cbr\u003e\n2008 Chevrolet Trailblazer LT\u003cbr\u003e\n2008 Dodge Avenger R\/T\u003cbr\u003e\n2008 Dodge Caliber R\/T\u003cbr\u003e\n2008 Dodge Caliber SE\u003cbr\u003e\n2008 Dodge Caliber SRT-4\u003cbr\u003e\n2008 Dodge Caliber SXT\u003cbr\u003e\n2008 GMC Envoy SLE\u003cbr\u003e\n2008 GMC Envoy SLT\u003cbr\u003e\n2008 Isuzu Ascender S\u003cbr\u003e\n2008 Jeep Compass Limited\u003cbr\u003e\n2008 Jeep Compass Sport\u003cbr\u003e\n2008 Jeep Patriot Limited\u003cbr\u003e\n2008 Jeep Patriot Sport\u003cbr\u003e\n2008 Jeep Wrangler Rubicon\u003cbr\u003e\n2008 Jeep Wrangler Sahara\u003cbr\u003e\n2008 Jeep Wrangler Unlimited Rubicon\u003cbr\u003e\n2008 Jeep Wrangler Unlimited Sahara\u003cbr\u003e\n2008 Jeep Wrangler Unlimited X\u003cbr\u003e\n2008 Jeep Wrangler X\u003cbr\u003e\n2008 Mitsubishi Eclipse GT\u003cbr\u003e\n2008 Mitsubishi Eclipse SE\u003cbr\u003e\n2008 Mitsubishi Eclipse Spyder GT\u003cbr\u003e\n2008 Volvo C30 T5\u003cbr\u003e\n2008 Volvo C30 T5 R-Design\u003cbr\u003e\n2009 Chevrolet Trailblazer LT\u003cbr\u003e\n2009 Dodge Avenger R\/T\u003cbr\u003e\n2009 Dodge Caliber R\/T\u003cbr\u003e\n2009 Dodge Caliber SE\u003cbr\u003e\n2009 Dodge Caliber SRT-4\u003cbr\u003e\n2009 Dodge Caliber SXT\u003cbr\u003e\n2009 GMC Envoy SLE\u003cbr\u003e\n2009 GMC Envoy SLT\u003cbr\u003e\n2009 Jeep Compass Limited\u003cbr\u003e\n2009 Jeep Compass Sport\u003cbr\u003e\n2009 Jeep Patriot Limited\u003cbr\u003e\n2009 Jeep Patriot Sport\u003cbr\u003e\n2009 Jeep Wrangler Rubicon\u003cbr\u003e\n2009 Jeep Wrangler Sahara\u003cbr\u003e\n2009 Jeep Wrangler Unlimited Rubicon\u003cbr\u003e\n2009 Jeep Wrangler Unlimited Sahara\u003cbr\u003e\n2009 Jeep Wrangler Unlimited X\u003cbr\u003e\n2009 Jeep Wrangler X\u003cbr\u003e\n2009 Mitsubishi Eclipse GT\u003cbr\u003e\n2009 Mitsubishi Eclipse Spyder GT\u003cbr\u003e\n2009 Volvo C30 T5\u003cbr\u003e\n2009 Volvo C30 T5 R-Design\u003cbr\u003e\n2010 Dodge Avenger R\/T\u003cbr\u003e\n2010 Dodge Caliber Express\u003cbr\u003e\n2010 Dodge Caliber Heat\u003cbr\u003e\n2010 Dodge Caliber Mainstreet\u003cbr\u003e\n2010 Dodge Caliber R\/T\u003cbr\u003e\n2010 Dodge Caliber Rush\u003cbr\u003e\n2010 Dodge Caliber SE\u003cbr\u003e\n2010 Dodge Caliber SXT\u003cbr\u003e\n2010 Dodge Caliber Uptown\u003cbr\u003e\n2010 Jeep Compass Limited\u003cbr\u003e\n2010 Jeep Compass Sport\u003cbr\u003e\n2010 Jeep Patriot Limited\u003cbr\u003e\n2010 Jeep Patriot Sport\u003cbr\u003e\n2010 Jeep Wrangler Rubicon\u003cbr\u003e\n2010 Jeep Wrangler Sahara\u003cbr\u003e\n2010 Jeep Wrangler Sport\u003cbr\u003e\n2010 Jeep Wrangler Unlimited Rubicon\u003cbr\u003e\n2010 Jeep Wrangler Unlimited Sahara\u003cbr\u003e\n2010 Jeep Wrangler Unlimited Sport\u003cbr\u003e\n2010 Jeep Wrangler Unlimited X\u003cbr\u003e\n2010 Jeep Wrangler X\u003cbr\u003e\n2010 Mitsubishi Eclipse GT\u003cbr\u003e\n2010 Mitsubishi Eclipse Spyder GT\u003cbr\u003e\n2010 Volvo C30 T5\u003cbr\u003e\n2010 Volvo C30 T5 R-Design\u003cbr\u003e\n2011 Jeep Wrangler 70th Anniversary\u003cbr\u003e\n2011 Jeep Wrangler Rubicon\u003cbr\u003e\n2011 Jeep Wrangler Sahara\u003cbr\u003e\n2011 Jeep Wrangler Sport\u003cbr\u003e\n2011 Jeep Wrangler Unlimited 70th Anniversary\u003cbr\u003e\n2011 Jeep Wrangler Unlimited Rubicon\u003cbr\u003e\n2011 Jeep Wrangler Unlimited Sahara\u003cbr\u003e\n2011 Jeep Wrangler Unlimited 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Title","offer_id":67594320543996,"sku":"RU-4730","price":98.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/e25875266671f23d59c6ee5f4a437e60.jpg?v=1790557470","url":"https:\/\/diycustoms.store\/products\/k-n-engineering-ru-4730-universal-air-filter-with-3-inch-flange","provider":"diycustoms.store","version":"1.0","type":"link"}