Microwave Fuse 3B74133H

Brand: Kenmore · Appliance: Microwave · Fits: 64 models · Reference price: $38.25

3B74133H is a Kenmore replacement part (microwave fuse) for microwaves. Our fitment data lists 64 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 3B74133H as the replacement for these earlier part numbers. Substitute parts can look different from the original but serve the same function.

• 3B74133K — US Pressed Steel Microwave Fuse

Other parts for model LMHM2017ST/00

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

• Microwave Display Board EBR64419501
• Microwave Wire Harness EAD61048801
• Main Control Board EBR64419604
• AC Motor EAU56381201
• Label,cookin MEZ56522002
• Lamp Bracket MAZ42686501
• Microwave Slide-Out Hood Latch MFG61978601
• Stopper MJB47166901

Reference price and where to compare

The reference price on file for this part is $38.25. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.

Compare 3B74133H 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