Features 1.Fitment: Replacement for Tohatsu 4‑stroke outboard motors: MFS9.9, MFS15, MFS18, MFS20. 2.OE Number: Replacing part numbers for reference: 334‑65021‑0 334650210 334650210M, 18‑8921. 3.Premium Material: Using strongest marine and chemical corrosion resistant hardened nylon and scientifically engineered high performance neoprene rubber. 4.Function: The outboard water pump impeller can effectively improve the performance of the pump. 5.Good Replacement: Easy installation and practical, can directly replace the broken or shabby water pump impeller. Specification Item Type: Water Pump Impeller Material: Neoprene Rubber+Nylon Quantity of Blades: 8 Height: Approx. 23.51mm/0.93in Total Diameter of Outer Impeller: Approx. 41.11mm/1.62in Inner Shaft Insertion Diameter: Approx. 13.88mm/0.55in OE: 334-65021-0 334650210 334650210M, 18-8921 Application: Used to refurbish and replace or repair the original damaged and worn impeller, aiming to improve the performance of the pump Fitment: Replacement for Tohatsu 2-stroke outboard motors: M9.9, M12, M15, M18 Replacement for Tohatsu 4-stroke outboard motors: MFS9.9, MFS15, MFS18, MFS20 Replacement for Nissan 2-stroke outboard motors: NS9.9, NS15, NS18 Replacement for Nissan 4-stroke outboard motors: NSF9.9, NSF15, NSF18, NSF20 Replacement for Nissan Outboard Motors 9.9HP 15HP 18HP 20HP Package List 1 x Water Pump Impeller