Screw, 8-18 x 1/2 WP3400888

Brand: Whirlpool · Appliance: Washer · Fits: 42 models · Reference price: $7.47

WP3400888 is a Whirlpool replacement part (screw, 8-18 x 1/2) for washers. Our fitment data lists 42 models that use it.

When to replace this part

Storage, trim and cosmetic hardware

Symptom: A cracked shelf, broken door bin, worn hinge, or missing trim piece -- cosmetic and storage wear rather than a functional breakdown.

Check: Match the physical dimensions and mounting tabs of the old part before ordering; these pieces are often model-specific even between visually similar models.

Models that use this part

Part numbers it replaces

The manufacturer lists WP3400888 as the replacement for these earlier part numbers. Substitute parts can look different from the original but serve the same function.

• W10282479 — Affresh Cleaner
• W10549851 — Affresh Dishwasher Cleaner Tablets - 6

Other parts for model MDG4806AWW

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

• Access Plate 37001158
• Assembly 504467W
• Brace 56486
• Bulkhead, Re 504801W
• Cabinet, Whi 37001155
• Clip 37001145
• Cylinder Guide 40116501
• Dryer Base 37001156

Reference price and where to compare

The reference price on file for this part is $7.47. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.

Compare WP3400888 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