Reply To: Impeller for 1953 Firestone / Corsair 10 hp (Scott made)

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November 12, 2025 at 6:59 pm #301428
CHUCK
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    Buccaneer wrote:
    Phil Budne wrote:

    Whoops!  I’m always accidentally swapping digits!  For 18-3028 everything I’ve found says it’s a woodruff key for a Yamaha.

    I found that number in an old chart, and it said it was
    for McCollough, and it appeared to have the correct dimensions.
    I had the same luck as you though in searching for said impeller.

    That Woodruff Key shows up because Sierra has been known to re-use old 18-xxxx numbers.  That is so dumb IMHO.  I have encountered that several times now;  the number for something that they discontinued decades ago is now being used for something completely different.