Bosch Washer WFO121A Parts

This is the dishwasher inner tub — the main water-holding enclosure that supports racks and directs wash water. Replacing a damaged tub restores the cabinet's watertight integrity and prepares the appliance for safe operation. What it does:

• Houses wash and rinse water and provides mounting points for racks, spray arms, and seals
• Maintains a watertight chamber to prevent leaks and water damage
• Supports proper spray and drainage by keeping components aligned
• A cracked, warped, or punctured tub can cause visible leaks, pooling on the floor, or dishwasher failure to fill/hold water

• Disconnect power and water supply before starting; follow manufacturer service procedures
• Replacing the tub typically requires partial disassembly of the dishwasher (door, panels, and internal components)
• Handle carefully — tubs can be heavy and have sharp edges; wear gloves and eye protection