When you need to replace your female fuel line fitting, use the Marine Raider Mercury Female 2-Prong 3/8 in Hose Barb. Designed for use with 3/8-inch ID lines, this female fitting works with newer styles of Mercury Outboards. For complete installation, pair with the matching male counterpart. Marine Raider Mercury Female 2-Prong 3/8 in Hose Barb Black - Motor And Fuel Acces at Academy Sports