Michael------
Applications that originally used the GM #6440482 in PRODUCTION were definitely stamped 40482 on the flange. SERVICE pumps sold under GM #6416741 were also stamped 40482 on the flange. Although the 6416741 pump is still available from GM, it no longer has 40482 stamped on the flange inasmuch as the pumps have not been manufactured by AC in about 20 years.
Applications that originally used the GM #6440482 in PRODUCTION were definitely stamped 40482 on the flange. SERVICE pumps sold under GM #6416741 were also stamped 40482 on the flange. Although the 6416741 pump is still available from GM, it no longer has 40482 stamped on the flange inasmuch as the pumps have not been manufactured by AC in about 20 years.
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