Parts for Whirlpool MT4078SPB4: 05 - Oven Interior Parts

This propeller is the small impeller that mounts to the dishwasher circulation pump to move wash water through the spray arms for effective cleaning. Replacing a worn or damaged propeller restores proper water flow and wash performance. What it does:

• Spins on the pump shaft to circulate wash water through the spray arms
• Restores normal water flow when a cracked or stripped propeller reduces circulation
• Helps resolve symptoms such as poor cleaning, weak spray, or inconsistent water movement
• Works with the pump motor; does not include the motor or pump housing

• Disconnect power and water supply before beginning any repair
• Access the pump assembly from the dishwasher base or cabinet front per your model service instructions
• Inspect the pump shaft and seal for wear; replace damaged components to prevent repeat failure
• Reassemble carefully and test operation

This replacement power cord restores the electrical connection to your appliance so it powers reliably. Designed as a direct-fit cord assembly to replace a damaged or worn lead and help restore normal operation. What it does:

• Provides the main AC connection between the appliance and your household outlet
• Replaces frayed, cut, or broken cords that can cause loss of power or intermittent operation
• Helps eliminate sparking or exposed wiring hazards from a damaged cord
• Restores safe, stable power delivery when the cord is the root cause of power issues

• Disconnect power at the breaker and unplug the appliance before starting any work
• Route and secure the cord per the appliance wiring diagram; avoid pinching or sharp bends
• Do not attempt to splice or modify the cord