Room Air Conditioner Run Capacitor WJ20X21774

Brand: Haier · Appliance: Air Conditioner · Fits: 35 models · Reference price: $34.79

WJ20X21774 is a Haier replacement part (room air conditioner run capacitor) for air conditioners. Our fitment data lists 35 models that use it.

When to replace this part

Controls, timers and wiring

Symptom: A cycle that doesn't advance, an unresponsive display, or the unit not starting at all.

Check: Look for burn marks or a burnt smell near the board or terminals, and check whether buttons and knobs respond -- a unit that powers on but won't cycle often traces back to this group.

Models that use this part

Part numbers it replaces

The manufacturer lists WJ20X21774 as the replacement for these earlier part numbers. Substitute parts can look different from the original but serve the same function.

• WJ26X23879
• WJ26X24348 — Room Air Conditioner User Interface Board

Other parts for model AJC09AAS1

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

• Range Hood Fan Motor WB26X10148
• Dishwasher Tine Row Retainer MEG64438701
• Transformer WB20X10046
• Sealant 240006837
• Washer Lid Assembly AFG73029701
• Compressor Kit WJ98X284
• Surface Element, 1300W WPW10342780
• Mtr Res-60hz WJ94X511

Reference price and where to compare

The reference price on file for this part is $34.79. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.

Compare WJ20X21774 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