Manufactured by Factory Spec Dual stage, foam filter is direct replacement of OEM filter Replaces OEM # 1UY-14451-00-00 Made in China Fits: 2004 - 2013 Yamaha Raptor 350 (YFM350R) 1987 - 2004 Yamaha Warrior 350 (YFM350X) 1995 - 2005 Yamaha Wolverine 350 4x4 (YFM350FX) 1998 - 2001 Yamaha Grizzly 600 4x4 (YFM600FW) 2002 - 2008 Yamaha Grizzly 660 4x4 (YFM660F)