Microwave High-Voltage Diode W10492278

Brand: Whirlpool · Appliance: Microwave · Fits: 497 models · Reference price: $52.82

W10492278 is a Whirlpool replacement part (microwave high-voltage diode) for microwaves. Our fitment data lists 497 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 W10492278 as the replacement for these earlier part numbers. Substitute parts can look different from the original but serve the same function.

• W11256462 — DIODE

Other parts for model WMH76718AB1

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

• Installation Instructions W10247296
• Microwave Electronic Control Board W10551950
• Microwave Owner's Manual W10249249
• Oper Instr W10514919
• Pulley W10249506
• Technical Sheet W10608082
• Base Plate, Air Guide W10640887
• Bearing W10535839

Reference price and where to compare

The reference price on file for this part is $52.82. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.

Compare W10492278 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