SEI MARINE PRODUCTS- Mercury Mariner Impeller Kit 47-43026K06 50-135 150 175 200 225 250 300 HP This impeller kit replaces OE#: 47-43026K06 and fits Mercury and Mariner outboard lower units with the following applications: 135-300 HP Verado 4 & 6 cyl. 2006-current, metric 50-125hp 1987-current, 4 Stroke 50-150hp, and 3.0L V6 1994-2006. Only fits big foot models of the 50-70 HP Models Big foot models measure 4-1/4 outside to outside on the round portion of the case by the prop. If your unsure of fitment, please contact us with your engine serial number.