Washer Water Temperature Switch WP8578338

Brand: Whirlpool · Appliance: Washer · Fits: 11 models · Reference price: $58.89

WP8578338 is a Whirlpool replacement part (washer water temperature switch) for washers. Our fitment data lists 11 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

Part numbers it replaces

The manufacturer lists WP8578338 as the replacement for these earlier part numbers. Substitute parts can look different from the original but serve the same function.

• W10135699 — Affresh Washing Machine Cleaner - 3 pack
• W10549845 — Affresh Washer Cleaner, 3-pack W10549845

Other parts for model MTW5640TQ0

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

• Laundry Guide W10092688
• Washer Wire Harness W10113810
• Washer Dial W10110028
• Washer Knob Timer WPW10110027
• Knob, Control (3) (White) WPW10110029
• Washer Timer WPW10111389
• Agitator WPW10110020
• Agitator WPW10093672

Reference price and where to compare

The reference price on file for this part is $58.89. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.

Compare WP8578338 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