A604 / 41TE interchangeable

Does any one know how interchangeable the A604/41TE is from year to year and model to model like from a 1991 Spirit to a 1999 Caravan ... And or if there is any major case changes from year to year ... I know a few smaller things changed like the range sensors and slightly larger torque converter (( from 10 inch to 10.75 inch ))

And if the A604/41 TE is interchangeable with there newer version 42TE ..

Thanx ....

Creative
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the short answer:

91 spirit to '99 van.... NO

Try a salvage yard with an Hollander interchange book or program, they would be the most accurate.

Slantsixness