I wanted to see if a transmition from a 99 grand am 4 clynder would interchange with a 2000 grand prix. They are both three speed automatics with overdrive.
Sorry they are different transmission,
The Grand Am transmission is a 4t40e on the se models and 4t45e on the gt models.
The Grand Prix transmission is a 4t65e on the superchaged 3.8 and 4t60e on the non supercharged engine.
Sorry for the bad or good news,
All you have to do is call the dealer auto parts dept.or a auto dismantling yard.They will tell you what years and model certain parts will fit
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