Parts for KESC300BAL1 — Microwave
We found 7 parts confirmed to fit the Microwave KESC300BAL1.
Compatibility table
| Part # | Part | Also fits | Reference price |
|---|---|---|---|
| 9750231 | Insulation | 40 models | — |
| 4211944 | Broiler Pan | 52 models | — |
| 4211947 | Light Bulb | 163 models | — |
| 423713 | Roller | 349 models | — |
| 240132 | Insulation | 1,592 models | — |
| 261514 | Insulation | 1,599 models | — |
| 312701 | Level Foot | 2,068 models | — |
Prices shown are an informational reference range only, not an offer or an Amazon price — RepairKitHub does not sell parts directly. Each part links to an Amazon search so you can compare current listings yourself.
Common failure areas on this model
The confirmed parts above group into a handful of failure areas. Here is what each points to and how to check it before you order anything.
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.
Parts in this group on KESC300BAL1: 9750231 (Insulation), 240132 (Insulation), 261514 (Insulation), 312701 (Level Foot).
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.
Parts in this group on KESC300BAL1: 4211944 (Broiler Pan).
Interior lighting
Symptom: The interior light doesn't turn on when the door opens.
Check: Confirm power is reaching the socket, then check the door-activated light switch before assuming the bulb itself is at fault.
Parts in this group on KESC300BAL1: 4211947 (Light Bulb).
Drive system (belts, pulleys, motors)
Symptom: A drum or tub that won't turn, a burning-rubber smell, or a loud thump or squeal during a cycle.
Check: With power off, turn the drum or tub by hand -- resistance or grinding points to the motor or a bearing, and a cracked, glazed, or snapped belt is visible once the cabinet is open.
Parts in this group on KESC300BAL1: 423713 (Roller).
Before you buy
Match KESC300BAL1 exactly against the model and serial plate on the appliance itself before ordering anything — a single mismatched character can point to a different production run with different parts. Then check the part number printed or stamped on the part you are replacing against the part numbers in the table above; the printed number is the most reliable way to confirm fitment when a model has gone through multiple production runs. RepairKitHub does not sell parts directly — every part link above routes to an Amazon search for that part number so you can compare current listings and sellers yourself.
How to confirm this is your model
On most microwaves, the model and serial plate sits inside the door frame. Match every character exactly, including letters and dashes at the end — appliance model numbers often have similar prefixes but different suffixes for different production runs.
Other microwave models
These model numbers sort close to this one in the catalog for the same appliance type. The brand is not confirmed to match, but the model number range is close.
Other models with this exact parts list
Each model below is confirmed to share the identical compatible-parts list with this one.
Still not sure?
Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.