Description
🧾 Description
Restore proper heat output in your electric dryer with the WPY503978 Heating Element Assembly, a genuine OEM part from Whirlpool and used in many affiliated brands. According to the official parts listing, this is the correct element for various models requiring part number WPY503978. Whirlpool Parts+2Alliance Laundry+2
If your dryer drum is turning but there’s no heat (or very weak heat) despite a clean lint screen and clear vent path, this heating element assembly may be the root cause.
⚠️ Note: Always disconnect power to the dryer before servicing. Confirm the dryer’s model number and harmony with this exact replacement.
⚙️ Features & Benefits
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✅ Authentic OEM part — built to Whirlpool’s factory specifications for fit, function and reliability. Whirlpool Parts+1
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🔥 High-capacity heating coil assembly — ensures the dryer reaches and maintains proper temperatures for efficient drying.
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🔧 Direct replacement — designed to replace the original heating element assembly without major modifications.
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🧺 Restores efficiency & extends appliance life — by restoring correct heating, the dryer runs more effectively, reduces dry-time and prevents over-strain on other components.
⚠️ Common Symptoms
You should consider replacing this part if you observe any of the following:
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Dryer drum runs (tumbles) but there’s no heat (or extremely reduced heat). Home Depot Appliance Repair+1
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Loads take much longer than usual to dry despite clean lint screen and proper venting.
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The original heating element is visibly broken, burnt or has an open circuit when tested.
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Other parts (thermal-fuse, thermostat, venting) checked out but heating issue remains.
🔧 Compatibility Notes
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Works in many electric dryer models made by Whirlpool, Maytag, Kenmore and affiliated brands. Alliance Laundry+1
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Confirm the model number of your dryer (typically on the door frame or rear panel) and cross-check with the part compatibility list.
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If the element failed due to overheating or restricted airflow, it’s advisable to inspect lint trap, exhaust duct and other airflow components to prevent repeat failures.
🔁 Cross Reference
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OEM Part #: WPY503978. Home Depot Appliance Repair+1
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Replaces legacy numbers: Y503978, 14218929, etc. Home Depot Appliance Repair+1