How do I know if my dishwasher drain pump is bad?

Common signs include water not draining from the tub, a loud humming noise during the drain cycle without water moving, or the dishwasher stopping mid-cycle with an error code. You might also see standing water at the bottom of the dishwasher after a cycle completes, indicating a drainage issue.

Can I replace a dishwasher drain pump myself?

Yes, replacing a dishwasher drain pump is a repair many homeowners can perform with basic tools. It typically involves disconnecting power and water, accessing the pump from the bottom or front of the appliance, and carefully swapping out the old unit. Always follow safety precautions and manufacturer guidelines.

What causes a dishwasher drain pump to fail?

Drain pumps can fail due to normal wear and tear over time, electrical issues, or blockages. Food debris, broken glass, or other foreign objects can get lodged in the pump's impeller, causing it to seize or burn out the motor. Mineral buildup from hard water can also contribute to pump failure.

Dishwasher Drain Pump Guide: Symptoms, Replacement, FAQs

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🏆 RECOMMENDED PART

W11497943 Dishwasher Drain Pump Motor Compatible With Whirlpool dishwashers - Budora - W11412663

Cross Reference Part Numbers: W11497943, AP6994646, W11412663
Compatible With Brands: Whirlpool, Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, Sears, Kenmore and others
Please see product description for model compatibility!
One Year Warranty!

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What the PL-W11497943-ER does

The drain pump motor removes dirty water from the dishwasher tub at the end of a wash cycle. It is a critical component for proper drainage and preventing water from standing in the appliance.

Symptoms when this part fails

Dishwasher not draining completely
Water standing in the bottom of the tub after a cycle
Loud humming or buzzing noise during the drain cycle
Dishwasher stops mid-cycle with an error code
Unpleasant odors from stagnant water

Compatibility

Fits the Maytag family. Specifically:

Any unit originally equipped with OEM part number(s): W11497943, AP6994646, W11412663.
Check the model/rating plate inside your appliance and compare it against the fitment table on the product listing before ordering — this guide does not list specific compatible models because Amazon does not provide verified fitment data through this pipeline.

Also replaces: W11497943, AP6994646, W11412663

Tools you'll need

Phillips head screwdriver
Flathead screwdriver
Pliers
Towels
Bucket or shallow pan

Difficulty: Moderate · Time: 30-60 minutes

How to install the PL-W11497943-ER, step by step

Disconnect power to the dishwasher at the circuit breaker.
Shut off the water supply valve to the dishwasher.
Remove the lower access panel or kickplate from the front of the dishwasher.
Place towels and a pan to catch any residual water.
Disconnect the drain hose and electrical wiring from the existing pump.
Release the old drain pump from its mounting bracket or housing.
Install the new drain pump, reconnecting the electrical and drain hose.
Reattach the access panel, restore power and water, then test the dishwasher.

Related troubleshooting

If swapping this part doesn't fix the issue, check these next:

Dishwasher Making Loud Noise During Drain Cycle? Find the Cause