Seller notes

1970 Oldsmobile water pump, casting # 404847, fits 350 and 455 engines with air conditioning and heavy duty cooling and is correct for OAI with correct casting and correct impeller. Cast iron impeller is a must for cooling your 455 and 350 engines. Without the proper impeller cavitation occurs which can cause over heating. Most rebuilds and aftermarket pumps have open stamped steel fans which do not cool properly. This #404847 pump is correct for air conditioned cars and heavy duty cooling on no...

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