This is a Brand New circulating water pump for GM V6 & small block V8 (includes gasket). These Brand new circulating pumps have a brass bi-directional impeller which means they can be used on either rotation engine. These are not Remanufactured, they are BRAND NEW! They are made in the USA and have a 1-year warranty. We have sold thousands of these pump and can count the warranties on 1 hand. Buy with confidence. These pumps are the best value on the market today!