





Water pools on the kitchen floor in front of the dishwasher during or after the wash cycle, caused by a cracked, hardened, or torn door gasket that can no longer form a watertight seal.
The dishwasher door is difficult to close or fails to latch and start a cycle because the degraded gasket has lost its original shape and flexibility, preventing full compression against the tub opening.
Steam, heat, or washing noise escapes around the door perimeter during operation, indicating the gasket seal is no longer intact along one or more sections of the door frame.
The rubber seal is visibly cracked, brittle, deformed, or pulled away from the channel groove — a direct sign the gasket has aged beyond its useful life and requires immediate replacement.




💡 Pro Tip: How to Know Your Door Gasket Needs Replacing
Your part is likely the culprit if you notice any of the following:
⚠️ Water pooling on the floor in front of the dishwasher after a wash cycle
⚠️ Visible cracks, tears, brittleness, or deformation in the existing rubber seal
⚠️ Dishwasher door fails to latch or close tightly during operation
⚠️ Excessive steam or noise escaping from the door during the wash cycle
🔍 Diagnostic Tip: Run your finger around the entire gasket perimeter while the door is closed. Any gap, soft spot, or hardened section means the seal is compromised. Also check the four corners — that's where wear and leaks typically start first.
📦 What's in the Box
✅ 1× Dishwasher Door Gasket / Tub Seal (W10300924 compatible, ~71" length, heat-resistant rubber)
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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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