Refrigerator Defrost Board 4388931

Brand: Whirlpool · Appliance: Refrigerator · Fits: 750 models · Reference price: $157.48

4388931 is a Whirlpool replacement part (refrigerator defrost board) for refrigerators. Our fitment data lists 750 models that use it.

When to replace this part

General hardware and mounting parts

Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.

Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.

Models that use this part

Replacement video

A technician's video showing how to replace part 4388931. Plays from YouTube when you click.

Other parts for model ET5WSEXKT00

If you are repairing that appliance, these are the most model-specific parts on file for the same model.

• Refrigerator Button Plug 2213324
• Refrigerator Cover 2202819N
• Refrigerator Door Handle 2202099
• Refrigerator Energy Guide LIT2217633
• Refrigerator Extension Panel 2197143
• Refrigerator Extension Panel 2197143T
• Refrigerator Handle 2221946N
• Refrigerator Support 2175260

Reference price and where to compare

The reference price on file for this part is $157.48. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.

Compare 4388931 listings on Amazon

Before you order

• Match the part number character for character, including dashes and trailing letters; a single different character is usually a different part.
• Confirm your appliance's model number on its data plate and check that it appears in the list above (or use the model lookup tool).
• If a seller offers a substitute number, check that it appears in this page's replacement list or in the manufacturer's documentation.

Model lookup tool