6H4-W0078 Water Pump Impeller Service Kit for Yamaha 2 Stroke 40hp 50hp Outboard 6H4-W0078-00 6H4-W0078-A0 18-3429Condition: New Replaces Part Number: 6H4-W0078-00 6H4-W0078-A0 Replaces Number: 18-3429 Material: ABS+Metal Colour: As shown Fitment: Fits the Following for Yamaha 2 Stroke Outboards: 40HP 40 (1984-87), 40 (1988-94), 50HP 50 (1984-87), 50 (1988-94), PRO 50 (1987), PRO 50 (1988-90), P50 (1991-94), 50 Jet (1986-95) Detail: Number of Blades: 6 External Impeller Overall Diameter: 55.48 mm/ 2.18 inch Internal Shaft Insert Diameter: 16.10 mm/ 0.63 inch Package Contents: 1 x Water Pump Impeller Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Due to differences in shooting equipment, displays, and production batches, the product may have slight color differences. This is normal, please refer to the actual product. We have tried our best to restore the true color through professional equipment, but we still recommend that you watch it under natural light for the most accurate visual effect. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.