Have never had the opportunity, or the reason, to compare a regular versus an Avanti or heavy duty water pump. I know this is pretty basic stuff, but untill the end was broken off of my water pump did I even think about it. Here are a few side by side pics showing the differences, and why one costs more than the other. I guess as we hang heavy duty parts on our cars, such as AC, power steering, fan clutches, the strain on the parts becomes higher. Anyway, this is old hat to the veterans, but for some of the newer members, this may be enlightening.








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