A-3958180S-AI Assembly, Head and Filter (QTY 1)One New Aftermarket Assembly, Head and Filter (QTY 1) The advanced designs and high quality performance of Fleetguard heavy duty filters give customers the ultimate protection for their equipment. All Fleetguard products are engineered to meet or exceed OEM specifications and ensure engines and other systems achieve maximum life. Cummins Filtration covers the widest range filters in the heavy duty industry. More than a filter company, Cummins