Reply To: RD-17 water pump update PN

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December 24, 2020 at 7:44 pm #225909
Mumbles
Participant

    I’m showing 379774 (sierra 18-3006) as the P/N for the complete kit with housing for ’55 and 391741 being used on ’74 – ’76 40 horse motors. I’ve never seen or heard of an updated housing or impeller for these motors but I could be wrong. You wouldn’t be thinking of the upgraded pump kits for the 5.5-6-7.5 horse motors would you?