Parts for MW20FM1 — Toshiba

We found 18 parts confirmed to fit the Toshiba MW20FM1.

Compatibility table

All 18 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
240RNDD196BAR 24IN POThis model only$156.58 · Amazon
P1245201162DRIVER GUIThis model only$3.49 · Amazon
TR309045Piston RodThis model only$48.99 · Amazon
120510Lever Assembly4 models$7.08 · Amazon
1619X04231Switch Cover4 models$2.16 · Amazon
X25466843REAR COVER (40) ASSEMBLY5 models$401.13 · Amazon
BZ210246Res 180ohm8 models$2.16 · Amazon
BZ510044Transistor9 models$7.99 · Amazon
BZ110227Capacitor10 models$2.16 · Amazon
BZ612009Relay13 models$2.29 · Amazon
BZ310180Coil15 models$3.28 · Amazon
BZ110055Capacitor20 models$2.16 · Amazon
BZ410007Diode20 models$2.16 · Amazon
BZ110032Capacitor28 models$2.16 · Amazon
BZ410037Zener Diode35 models$2.16 · Amazon
BZ410088Transistor57 models$2.16 · Amazon
BZ510004Transistor80 models$2.16 · Amazon
BZ410062Diode85 models$2.16 · Amazon

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 MW20FM1: 240RNDD196 (BAR 24IN PO), P1245201162 (DRIVER GUI), TR309045 (Piston Rod), 120510 (Lever Assembly), BZ210246 (Res 180ohm), BZ510044 (Transistor), BZ612009 (Relay), BZ310180 (Coil), BZ410007 (Diode), BZ410037 (Zener Diode), BZ410088 (Transistor), BZ510004 (Transistor), BZ410062 (Diode).

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 MW20FM1: 1619X04231 (Switch Cover), X25466843 (REAR COVER (40) ASSEMBLY).

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.

Parts in this group on MW20FM1: BZ110227 (Capacitor), BZ110055 (Capacitor), BZ110032 (Capacitor).

Before you buy

Match MW20FM1 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

Check inside a door opening, on a back or side panel, or behind a removable panel or drawer for a label printed with the model and serial number. 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.

Still not sure?

Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.