Feature: 1. Wide Compatibility: Fits for Johnson F6B‑9 V8 pumps, for Indmar and other models. Designed and manufactured for optimal performance. Please double check the model before ordering. 2. Part Number: The replacement part numbers are 3588914, 3584350, 21213664, 3593660, 3841696, 09 812B 1, 09 812B, 18‑3306, S685007, 119773‑42600, ME420TI, 6TA 12457 00. 3. Improved Cooling: An ideal replacement option, this impeller can be used to replace aging impellers, offering higher flow and cooling flow rate, thus protecting your engine. 4. Superior Performance: Impeller leverages advanced manufacturing processes and techniques to ensure high performance efficiency, offering excellent propulsion and smooth handling. 5. High Durability: The impeller is made out of the strongest marine grade and chemically resistant high performance rubber. This ensures its reliable, efficient, and long lasting performance. Specification: Item Type: Water Pump Impeller Material: Rubber + Metal Blade: 12 Blades Teeth: 12 Teeth Impeller Width: Approx. 59mm/2.32 inches Impeller Length: Approx. 48mm/1.89 inches Impeller Shaft Inner Diameter: Approx. 18mm/0.71 inches Part Number: 3588914, 3584350, 21213664, 3593660, 3841696, for Johnson: 09 812B 1, 09 812B, 18-3306, for Indmar: S685007, 119773-42600, ME420TI, 6TA 12457 00 Fitment: Replacement for Johnson F6B-9 V8 Pumps Replacement for Several for Indar Monsoon Models: 320HP, 325HP, 330HP, 335HP, 340HP, 350HP (featured in for Supra, for Moomba, for Mastercraft for Tige) . Package List: 1 x Impeller Note: Please double check the part number of your item, matching information is for reference only.