Found your parts and they are even in your state
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The impeller if you need it is 7-45-31 locator number P/N is 2205-549
The kit for the pump is 7-42-4 locator number P/N is 2298-907 the parts book says it doesn't include the seal.
Gasket 7-44-4 P/N 1947-523
Gasket 7-44-3 P/N 1947-521
Seal 7-46-1 P/N 2120-955
AMS shows they have all these numbers. These numbers are from a 1963 parts catalog.