This item fits 3A & Malta two stroke outboard models, and F2.5A & F2.5B four stroke outboard models. This vital component of the water pump ensures a continuous supply of the correct amount of coolant to the engine. Whilst carrying a spare impeller on your craft is advisable, using a Genuine impeller is essential for user safety and peace of mind. Features - Color: Black. - Material: Plastic. - Size: Height: 14.32mm; External impeller overall Diameter: 35.31mm; Internal Shaft Insert Diameter: 9.99mm. - Number of Blades: 6. - For Yamaha part no. 6L5-44352-00. - Fits 3A & Malta two stroke outboard models, and F2.5A & F2.5B four stroke outboard models. - Easy installation with only simple hand tools required. - This vital component of the water pump ensures a continuous supply of the correct amount of coolant to the engine.Packing list1 x Water Pump Impeller 6L5-44352-00-00 for Yamaha 3HP 2.5HP Outboard Motor