Need Troubleshooting Advice, What Parts Are Required?
The washer will fill, agitate, and pump out. It will run full cycles but never spin.

I can give you some troubleshooting advice but I cannot tell you what parts you need at this point. After the washer drains, the motor must pause for a few seconds and then start again in order for it to go into spin mode. If the motor does not pause, the timer is faulty. You can simulate the pause by opening and closing the lid. If it still won't spin, you need to remove the cabinet, jump out the lid switch and observe the clutch hub when it should be spinning. If the clutch hub is spinning then the motor coupler and gearcase are ok. Most likely, you have a worn clutch band but there could also be a problem with the brakes, basket drive, tub drive block or possibly clothing caught between the tubs. If the clutch hub does not spin, I would check the motor coupler although since it agitates, it is likely ok. If the coupler is ok, the gearcase is faulty.

Eric