Most Popular Parts
These are the most commonly purchased repair parts for MDB421RHS3.
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The door gasket provides a water tight seal between the tub and the door, to keep water from leaking out of your dishwasher. If your dishwasher is leaking you may need to replace the door gasket. This gray door gasket is made of rubber and is a genuine OEM part.
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This gasket goes on the bottom of the dishwasher door to create a tight seal between the tub and the outer edge of the door. If the gasket is cracked or broken, it will need to be replaced to keep water from leaking out on to the floor. The gasket is approximately 23” long and is a genuine OEM part. It is recommended that once you have installed the gasket to leave the door closed for a few hours to make sure the gasket is properly sealed.
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The upper dishrack is used to hold your dishes in place while the dishwasher goes through the wash cycles. Over time the dishrack can become damaged, start to rust, or be missing rollers, and the dishrack will need to be replaced. This rack is white in color with light gray rollers and measures approximately 23 Inch x 23 Inch. This is a genuine OEM part.
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This water inlet valve is usually located behind the lower kickplate panel in either the right or left corner of the front of your dishwasher. The attaching solenoids on the valve open and close to release the desired amount of water needed in your dishwasher. If your dishwasher is leaking, will not fill with water, is not draining, or not cleaning the dishes properly, you may need to replace the water inlet valve. This valve has 120 volts and 60 Hz. Please be sure to disconnect the power to your dishwasher before starting your repair. This water inlet valve is a genuine OEM part.