This Original Equipment Manufacturer part is the same part that was made & installed by the car manufacturer at the factory where the car was produced.
OE Replacement - 100% New
Honda made a change from cast impeller (pump #19210-PD2-515) to stamped impeller (pump #19210-PD6-515) in 1984 for Accords and in 1985 for Preludes but does not interchange the two pumps. Aisin has tested the two designs and has found their performance to be the same. Because of this, Aisin no longer offers a pump with a cast impeller for the earlier applications and advises that the stamped-impeller pump should perform exactly the same as the cast impeller pump when used on any of these applicaitons.