I have a 7.5hp merc. sn 5817652<br /><br />i need a pump and impeller. it looks like i need the whole pump and impeller. i also need the part that the water tube fits into at the top of the pump.<br /><br />I know there is 2 drive sizes.<br />I was able to get the part number off what was left of the impeller(18-3039) napa? and the pump housing is 46-92969 not sure who makes it.<br /><br />I need to buy these parts and any gaskets ect. i might need.<br /><br />thanks<br />james<br /><br />ps bobq I think the # i have for you is incorrect.