Replacement Yamaha YFM50 YFM80 YFM100 ATVs, sold under the name Raptor 50/80, Badger 80, Grizzly 80, Champ 100 and fitting into the front fender. Made in USA. It is shipped un-oiled; add ~2 caps of oil to the filter and squeeze/work it for a minute in the supplied plastic bag, then install.