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Sample Model Number Tags
Model numbers can be made up of numbers (1005400, for example) or a combination of letters and numbers (LAT1000AAE). The model number will most likely appear on either a paper sticker or a metal plate. Your appliance's model number tag may look similar to the sample model number tags shown here (model number highlighted in yellow):
This gasket seals moisture and air. Replace if worn or leaking. This part is designed to keep your appliance operating reliably and efficiently. Replacing a worn or failing component helps prevent further issues and can extend the overall lifespan of your unit.
How Buying OEM Parts Can Save You Time and Money
Why buy the real thing?
OEM stands for Original Equipment Manufacturer. Simply put, this means that the company who made your appliance is also supplying the replacement part for it.
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Nathan
February 18, 2026
Look for the seal on the bottom of the door. I referenced the seal from LG as MDS65210409.
For model number LDF5545BB
Hi Nathan, thank you for reaching out. The mentioned gasket is not compatible with your model. The compatible gasket for your model is part number PS12081631. We hope this helps.
To replace this seal do I need to disassemble the door or does it slide into a channel like the tub seal ?
For model number LDTS5552D
Hello Chris, thank you for getting in touch. According to our research, for your dishwasher, the gasket, part number PS12582118, is a door seal that typically slides into a recessed channel, similar to the tub seal, and does not require full door disassembly for replacement. We hope this helps.
According to the diagram, I need to order part # MDS65210409 Dishwasher Lower Door Gasket. Is this correct?
For model number LDFN4542S
Hi Luis, thank you for contacting us. No, the part you have mentioned is not the correct one for your model. The compatible door gasket is part number PS12081631. We hope that helps!
Dishwasher
- Model Lg Ldph7972s.Assesna Smart Top Control Dishwasher With 1-Hour Wash And Dry, Quadwash Pro, Truesteam And Dynamic Heat Dry – Common Parts And Diagrams
Dishwasher
- Model Lg Ldth7972s.Assesna Smart Top Control Dishwasher With 1-Hour Wash And Dry, Quadwash Pro, Truesteam, And Dynamic Heat Dry – Common Parts And Diagrams
Dishwasher
- Model Lg Sdwb24w3.Aehesta Lg Studio Smart Top Control Dishwasher With 1-Hour Wash And Dry, Quadwash Pro, Truesteam And Dynamic H – Common Parts And Diagrams
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