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Washer tub retains standing water after the cycle; pump motor has failed or impeller is seized.
Grinding, rattling, or humming sound heard during drain phase indicating worn pump bearings or debris lodged in impeller.
Water found pooling beneath the washer caused by a cracked pump housing or failed pump seal.
Washer attempts to drain but fails to reach spin cycle, often caused by insufficient drain pump output triggering a fault code.
Burned rubber or electrical odor during operation indicating an overheating or seized pump motor.
Control board detects drain pump fault and prevents the cycle from initiating as a safety measure.
💡 Pro Tip: Is Your Drain Pump the Problem?
Your part is likely the culprit if you notice any of the following:
⚠️ Washer will not drain or leaves standing water in the tub after a cycle
⚠️ Loud grinding, humming, or unusual noise during the drain phase
⚠️ Washer pumps but drum will not spin into the spin cycle
⚠️ Burning smell from the washer or water leaking from the pump area
🔍 Diagnostic tip: Manually spin the pump impeller through the inlet port — if it is seized or grinding, the pump motor has failed and requires replacement. Always unplug the washer and shut off the water supply before inspection.
📦 What's in the Box
✅ 1× Washer Drain Pump Assembly (replaces WPW10403802 / W10403802, approx. 8¾" length)
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Disclaimer: Compatibility information, part numbers, and model fitment data on this page are sourced from manufacturer databases and third-party references. While we strive for accuracy, please verify your appliance model number before ordering. Heima is not responsible for errors or omissions in compatibility listings.
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