Water Pump Impeller Kit – Fits Yamaha 150-300 HP Outboards (Replaces 61A-W0078-A4-00, 61A-W0078-A2-00, 61A-W0078-A3-00) 5.7HP Engine Accessory Drive Belt Length

Engine Accessory Drive Belt Length 52

or cracked existing impeller upon inspection

79 OMC SX-MTD3 1994 & Up 3863090 OMC SX-A 1994 & Up 3863090 Also SX-A 1

or do I need other parts

It is designed for Johnson and Evinrude 2-stroke

Water Pump Impeller Kit – Fits Yamaha 150-300 HP Outboards (Replaces 61A-W0078-A4-00, 61A-W0078-A2-00, 61A-W0078-A3-00) 5.7HP Engine Accessory Drive Belt LengthProduct Details This comprehensive Water Pump Impeller Kit provides all necessary components for a complete service of the water pump on Yamaha 2 Stroke & 4 Stroke V6 150300 HP outboard engines (19972014). It is designed for F150, F175, F200, F225, F250, and F300 models. The kit serves as a direct replacement for Yamaha OEM parts 61A W0078 A4 00, 61A W0078 A3 00, and 61A W0078 A2 00. It also interchanges with aftermarket equivalents including Sierra