This listing is for 1 premium Purolator Boss PBL10111 Oil Filter. Made In USA by Mann Hummel. The filter fits many General Motors V-6 engines from 1975-21014 including the 3.1L, 3.4L and 3.8L. They cross reference to a AC Delco PF47, Fram PH3388A, Wix 51040 and Mobil 1 M1101A. Free shipping in the United States. Please check out my other listings.