Parts for Whirlpool AD40DBK0: 01 - Section Parts

Size: 1/4 inch hex head, 10-12 x 1/2 inch.

This evaporator fan motor circulates cold air through the freezer/refrigerator compartment to help maintain even temperatures and proper frost control. Replaces a failed or noisy fan motor to restore normal cooling and airflow. What it does:

• Spins the evaporator fan blade to move cold air across the evaporator coil and through the cabinet
• Helps keep temperatures consistent between compartments for better food preservation
• A failing motor may cause no airflow, weak cooling, or louder-than-normal noise
• Supports proper defrost performance by ensuring circulated air reaches the coil

• One evaporator fan motor (single motor only)

• Disconnect power at the plug or breaker before beginning any work
• Handle the fan blade and motor shaft carefully to avoid bending blades or damaging the shaft
• Verify fan rotation and clearances after installation; ensure wiring connections are secure

This water level pressure switch senses tub water height and tells the washer control when to stop filling for correct load levels. Replaces a failed or intermittent pressure sensor to restore proper fill control and cycle operation. What it does

• Detects water level changes via air pressure from the drain/tub to signal the control board.
• Stops filling when the correct water level is reached to prevent overfill.
• Resolves symptoms like overfilling, underfilling, or washer that won't advance cycles when caused by a faulty switch.
• Works with the washer's control system—does not include hoses or wiring harness.

• One water level pressure switch (one complete switch assembly).

• Disconnect power and turn off the water supply before replacing the switch.
• Verify location and routing of the pressure hose; replace any cracked or collapsed hose that can cause false readings.
• Handle electrical connectors and the pressure port carefully—avoid pulling wires or forcing tabs.
• Test operation after installation by running a fill/drain cycle and observing fill level.

This is a genuine lock nut replacement. This is a general piece of hardware that is often used on several types of lawn and garden equipment, including in engines, housing, and other areas. The exact application of this part will vary based on the unit. The lock nut is used to create a more secure seal than a standard nut. When properly secured, the lock nut tightens to a bolt and uses an extra locking washer with teeth to ensure a snug fit.If lock washers do get damaged or lost, they need to be replaced immediately with a genuine OEM replacement. This model is compatible with all types of machines and units since it is a generic part. The washer is sold as an individual part and manufactured by Whirlpool. Lock nuts will need to be installed using a socket wrench or adjustable wrench. Pliers, a screwdriver, or another socket wrench will be needed to hold the bolt while the lock nut is being secured in place. Be sure to thread the lock nut carefully to ensure a strong seal and avoid stripping the bolt or the nut.

Size: 1/4 inch hex head, 10-12 x 1/2 inch.