SEI MARINE PRODUCTS- Yamaha Impeller 682-44352-03 9.9 15 HP 2 Stroke 4 Stroke Outboard Lower Units This impeller replaces OE#: 682-44352-03 and fits 9.9 HP 2 stroke (1984-1995), T9.9 HP (1991-1996, 1997-1999,2001-2004), 9.9 HP 4 stroke (1986-1995, 1997-2004), and 15 HP 2 stroke (1984-1995) Yamaha outboard lower units.