Description:

Center insert resists tearing to ensure performance.. The Blades Number of Impeller: 6; External Impeller Overall Diameter: 39.4mm / 1.55 inch; Internal Shaft Diameter: 12mm / 0.47 inch , Height: 17.2mm / 0.68 inch. Impeller fit for Nissan / for Tohatsu outboard motors, for Sierra 18-8920. Impeller elastomers provide improved flexibility across Broad temperature ranges.. Designed for durability to provide higher flow rates and cooling flow to protect your engine..