Parts for LTRM1240SB01 — Microwave
We found 9 parts confirmed to fit the Microwave LTRM1240SB01.
Same parts list as LTRM1240SB (Microwave). LTRM1240SB01 shares an identical confirmed parts list with LTRM1240SB (Microwave). That page is the canonical version of this parts list — use it if you want the primary reference, or stay here since the list below is exactly the same for LTRM1240SB01.
Compatibility table
| Part # | Part | Also fits | Reference price |
|---|---|---|---|
| 6930W1A003K | Microwave Thermal Cut-Off | 23 models | — |
| 4510W3A012B | Microwave Door Latch Lever | 34 models | — |
| 6930W1A003A | Microwave Thermostat | 68 models | — |
| 6324W1A001L | Microwave Magnetron | 116 models | — |
| 3500W1A028B | Microwave Latch Body | 123 models | — |
| 6912W3B002L | Microwave Light Bulb | 143 models | — |
| 1TTL0402418 | Screw | 211 models | — |
| 6600W1K001C | Microwave Door Interlock Switch | 264 models | — |
| 6600W1K001D | Microwave Door Interlock Switch 6600W1K001D | 285 models | $17.61 |
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.
Heat control (thermostats, fuses, heating element)
Symptom: The appliance runs but heats or cools inconsistently, or shuts off partway through a cycle.
Check: With the appliance unplugged, check continuity across the part with a multimeter -- no continuity means it has failed.
Parts in this group on LTRM1240SB01: 6930W1A003K (Microwave Thermal Cut-Off), 6930W1A003A (Microwave Thermostat).
Door, lid switches and latches
Symptom: The appliance won't start, or stops, unless the lid or door is fully latched shut.
Check: Listen for an audible click when the lid or door closes. No click, or a visibly cracked plastic tab on the latch, points to this part.
Parts in this group on LTRM1240SB01: 4510W3A012B (Microwave Door Latch Lever).
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 LTRM1240SB01: 6324W1A001L (Microwave Magnetron), 3500W1A028B (Microwave Latch Body), 6600W1K001C (Microwave Door Interlock Switch), 6600W1K001D (Microwave Door Interlock Switch 6600W1K001D).
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 LTRM1240SB01: 6912W3B002L (Microwave Light Bulb).
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 LTRM1240SB01: 1TTL0402418 (Screw).
Before you buy
Match LTRM1240SB01 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.
Still not sure?
Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.