KNOB (2) 51AT400053

Brand: Carrier · Appliance: Air Conditioner · Fits: 10 models

51AT400053 is a Carrier replacement part (knob (2)) for air conditioners. Our fitment data lists 10 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

Other parts for model 51CVC212300B

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

• Splash Guard 51CM501302
• Air Conditioner Blower Wheel 51CV500084
• COMPRESSOR (51CME012301K) (51CME012311K) P033-1321
• Escutcheon Assembly 51CV400191
• Heater Assembly 51CV400024
• OVERLOAD (51CVB212300B) HN680004
• SECONDARY LIMIT SWITCH HH19ZH160
• SILL BRACKET ASSEMBLY 51CM401211

Reference price and where to compare

We have no reference price on file for this part. RepairKitHub does not sell parts directly.

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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