Parts for WS55819 — Mitsubishi

We found 20 parts confirmed to fit the Mitsubishi WS55819.

Compatibility table

All 20 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
CWM2898Af Amp AssyThis model only$392.99 · Amazon
520432Conversion KThis model only$191.49 · Amazon
05000664Home Electronics ConnectorThis model only$4.90 · Amazon
1130791Home Electronics Delay LineThis model only$5.49 · Amazon
YFV4JA0119B4Home Electronics SpringThis model only$3.49 · Amazon
22836367Plate *nla WThis model only$2.16 · Amazon
251C212060ASSY CRT(BLUE)(WS65819)2 models— · Amazon
251C212020ASSY CRT(GREEN)(WS55819)2 models— · Amazon
251C212040ASSY CRT(RED)(WS65819)2 models— · Amazon
251C212050Assy Crt G2 models$299.49 · Amazon
761A172020GRILLE SPEAKER(WS55819)2 models— · Amazon
275P497050IC7A00,IC MN102H75K MB25 models— · Amazon
490P174080LENS BARREL,GREEN9 models— · Amazon
490P174070LENS BARREL,RED9 models— · Amazon
490P174090LENS BARREL,BLUE10 models— · Amazon
351P209010L9A02, FILTER11 models— · Amazon
351P203010L9D00, FILTER11 models— · Amazon
WP26X10072Room Air Conditioner Electronic Control Board32 models$89.38 · Amazon
264P045040D542-3, DIODE 1S4710M37 models— · Amazon
267P062050Ic-se110n51 models$5.70 · 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 WS-55819: CWM2898 (Af Amp Assy), 520432 (Conversion K), 1130791 (Home Electronics Delay Line), 22836367 (Plate *nla W), 251C212060 (ASSY CRT(BLUE)(WS65819)), 251C212020 (ASSY CRT(GREEN)(WS55819)), 251C212040 (ASSY CRT(RED)(WS65819)), 251C212050 (Assy Crt G), 275P497050 (IC7A00,IC MN102H75K MB2), 490P174080 (LENS BARREL,GREEN), 490P174070 (LENS BARREL,RED), 490P174090 (LENS BARREL,BLUE), 351P209010 (L9A02, FILTER), 351P203010 (L9D00, FILTER), 264P045040 (D542-3, DIODE 1S4710M), 267P062050 (Ic-se110n).

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 WS-55819: 05000664 (Home Electronics Connector), YFV4JA0119B4 (Home Electronics Spring), 761A172020 (GRILLE SPEAKER(WS55819)).

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 WS-55819: WP26X10072 (Room Air Conditioner Electronic Control Board).

Before you buy

Match WS55819 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.