The Tub Assembly is an OEM component for LG clothes dryers. As the central component housing both the inner and outer drums, the tub assembly is essential for safely drying wet laundry loads. It rotates the drums to circulate air and remove moisture from clothes during cycles.  Causes of a bad tub assembly dryer can include cracks, leaks, or damage to the drum structure from excessive use or unbalanced loads over time. Wear and tear on rotating or suspension components that impair rotation.  Symptoms of an issue with the tub assembly dryer are: Inefficient or slow drying times  Abnormal noises or vibrations during cycles Restricted or lack of drum rotation Cracks, leaks, or physical damage visible on drums This OEM LG part is also compatible with Sears/Kenmore.Part Number 3045EL1002K (AP5596648) replaces AH3634668, EA3634668, PS3634668.