Impeller Pump Kit for 9.9HP 15HP 2-Stroke F9.9 4-Stroke 682-W0078-A1.Compatible with 2-Stroke outboard motors: 9.9HP (1984–1995), 15HP (1984–1995).Compatible with 4-Stroke outboard motors: F 9.9 (1985–2005), FT 9.9 (1985–1990), T 9.9 (1985–2005).Replaces OE/Part numbers: 682-W0078-00, 682-W0078-A3, 682-W0078-A1, 18-3148, 46-84277M, 46-84277T.Includes: 1 x Water Pump Impeller (682-44352-03-00), 2 x Gasket, Water Pump (682-44315-A0-00), 1 x Woodruff Key, Impeller (90280-03024-00), 1 x Dampener Water Seal (682-44365-00-00), 4 x BOLT (97080-06045-00), 1 x Cartridge Insert Cup (682-44322-00-00), 1 x Cartridge Outer Plate (682-44323-00-00).Type: Outboard water pump impeller rebuild kit.Material: Rubber, Stainless Steel, Plastic.