Transmission interchanability

will a 98 chevy malibu 3.1 auto trans fit a 94 pontiac grandprix 3.1 auto?

or would one out of a 94 chavy malibu with 3.1 fit in the grandprix?

i ment monte carlo^^^

It’s not the same transmission. The 4T40 was used in the Malibu and the 4T60 was used in the Grand Prix. The 4T40 is too light for the Grand Prix.