Yup. Its ALL about the chassis!
If you still aren't sure, you can pull the MC off and take it to the parts store. Find the oldest guy behind the counter and he should be able to match it up. If the oldest guy is only 22 then find a better parts store.
1995 Coachmen Santara 360MB 36' w/slide.
Ford F53/460 chassis, 2020 Chev Equinox "toad"