How do I know if my wash pump motor is bad?

Common signs include the dishwasher not cleaning dishes effectively, no water spraying, or a loud humming/grinding noise coming from the bottom of the appliance. If the motor is seized, the dishwasher may not start its wash cycle, or water may not drain properly.

Can I replace a dishwasher wash pump motor myself?

Yes, replacing a dishwasher wash pump motor is a repair often performed by homeowners with basic tools and mechanical aptitude. It typically involves disconnecting power and water, accessing the motor from below or by tilting the appliance, and carefully swapping the assembly.

What causes a dishwasher wash pump motor to fail?

Over time, wear and tear can cause motor bearings to fail or windings to burn out. Hard water deposits, food debris, or foreign objects can also stress the motor, leading to premature failure. Electrical surges or continuous heavy use may also contribute to its lifespan.

Dishwasher Wash Pump Motor Guide | Symptoms & Install

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🏆 RECOMMENDED PART

5304519906 blp11-2 Dishwasher Pump and Motor Assembly Compatible with Frigidaire IKEA White-Westinghouse, Replacement Part AP6840161 PS12712

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What the 5304519906 does

The wash pump motor is responsible for circulating water through the spray arms during the wash and rinse cycles, ensuring dishes are cleaned effectively.

Symptoms when this part fails

Dishes are not getting clean
No water spraying from the spray arms
Loud humming, grinding, or buzzing noise
Dishwasher not starting a wash cycle
Water remaining in the tub (if pump is seized)

Compatibility

Fits the Frigidaire family. Specifically:

Any unit originally equipped with OEM part number(s): AP6840161.
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: AP6840161

Tools you'll need

Screwdriver (Phillips and Flathead)
Pliers
Nut driver set
Towels or rags
Work gloves

Difficulty: Moderate · Time: 1-2 hours

How to install the 5304519906, step by step

Disconnect power to the dishwasher at the circuit breaker.
Shut off the water supply to the dishwasher.
Remove the lower access panel or kickplate.
Disconnect electrical connections and hoses from the old pump motor.
Unmount and carefully remove the old wash pump motor assembly.
Install the new wash pump motor assembly, reconnecting hoses and wiring.
Restore power and water, then check for leaks and proper function.