Seller notes

This is a Brand New water pump with gasket for a 401 and 425 cubic inch Buick Nailhead engine. This water pump will fit 1962-1966 Nailhead engines. This is a 5 blade water pump which is technically correct for air conditioned (AC) vehicles. It will work fine on non AC vehicles as well (non AC vehicles had 3 blades).This water pump has a composite plastic impeller as shown in pictures 2-4 in the listing. The manufacturer has recently changed the manufacturing of this water pump to include a compo...

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