Washing machine agitator directional cogs. These parts are also referred to as "dog ears." 4 per package. If the upper section of the agitator isn't turning properly, then these cogs are likely worn and will require replacement.
Washer drive motor coupler. New style with metal sleeves for added strength. This version replaces all previous motor coupler styles and versions. For direct drive washing machines. Common symptom of failed coupler is washer will fill, not agitate or spin but will drain the water from the tub.
Washing machine agitator repair kit with a medium length cam (there are other kits available for different models). This kit should be used when the top part of the agitator is not moving properly but the bottom part is.
Washer drive block for inner tub. A worn drive block may cause the washer to spin slowly, causing the clothes to be soaked at the end of the cycle. The washer may also make a loud knocking noise at the beginning of the spin cycle.