I have an email into Canon to see how much this would cost to fix. If its too much, Id probably just buy a new body. Does anyone know for sure if the lenses from the T3 body would fit the newer models?
Yes. Any past, or current, Canon EOS lens will fit on to a T3. Your existing lenses can fit any Canon EOS DSLR, except for the professional "full frame" camera bodies.
The T3 is a "Rebel" series camera, which uses an "APS-C" image sensor, so any current Rebel model can use the same lenses as your T3. Your lenses will also fit any Canon DSLR with a model similar #0D, like a 60D, 70D, and 80D. Your lenses will also fit any 7D series cameras, too.
However, none of your Rebel "EF-S" lenses will fit Canon's full frame, professional cameras: 1D, 5D, and 6D series cameras. The professional cameras use "full frame" image sensors, which are much larger than APS-C image sensors.