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🏆 RECOMMENDED PART
AMI PARTS DC31-00178A Washer Drain Pump Motor for Samsung Washing Machines
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- DC31-00178A Washer Drain Pump (120V, 60Hz, 80W) for Samsung Washers.
- Compatible with Samsung front-load and top-load washers in WA4, WA5, WF2, WF3, WF4 and WF5 series.
- Solves common washing machine issues like noise, not draining, or leaking.
- Made from premium, well-tested material by the manufacturer.
- Includes 365 days QA with professional after-sales service.
Prices are accurate as of the date of publication and are subject to change.
What the DC31-00178A does
The DC31-00178A is the drain pump motor on most Samsung washing machines. A small electric motor with an impeller that pushes wash water out of the tub and through the drain hose. When it fails (motor seized, impeller broken, or windings open), the washer fills and washes but won't drain.
Symptoms when this part fails
- Washer fills and washes but won't drain
- Loud humming or buzzing during the drain step
- Standing water in the tub at the end of a cycle
- Error code 5E, SE, or 1E on the display
- Visible leak from the bottom of the washer (split pump housing)
Compatibility
Fits the Samsung family. Specifically:
- Samsung front load washers WF series built 2008 to present (most)
- Samsung top load washers WA series
- Many Samsung HE washers including WF42, WF45, WA50 series
- Cross check your model in the Samsung parts lookup before ordering
Also replaces: AP4202690, PS4204638, DC31-00054A
Tools you'll need
- Phillips screwdriver
- Pliers (for hose clamps)
- Shallow pan and towels (water will spill)
Difficulty: Intermediate · Time: 30 to 45 minutes
How to install the DC31-00178A, step by step
- Unplug the washer and shut off both water valves
- Place a shallow pan and towels under the front of the washer
- Open the lower access panel (usually 2 to 3 screws at the bottom front)
- Disconnect the inlet and outlet hoses from the pump (squeeze hose clamps with pliers)
- Disconnect the wire harness from the pump motor
- Unscrew the pump from its mounting bracket and pull it out
- Install the new pump in reverse order, hose clamps and harness back in place
- Restore power and water, run a Drain and Spin cycle to test
Related troubleshooting
If swapping this part doesn't fix the issue, check these next: