Parts for MXZ3B30NA1 — Mitsubishi Air Conditioner

We found 26 parts confirmed to fit the Mitsubishi Air Conditioner MXZ3B30NA1.

Compatibility table

All 26 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
T2W4K1375Terminal B3 models$19.99 · Amazon
M219T7337Central Air Conditioner Heat Pump Reactor6 models$62.99 · Amazon
M219T4653Central Air Conditioner Level C Refrigerant Valve Coil6 models$41.99 · Amazon
M21L2V402Expansion6 models$91.99 · Amazon
M219T4652Lev Coil6 models$41.99 · Amazon
M219T6651Lev Coil6 models$41.99 · Amazon
M21EA0959Power Rece6 models$59.49 · Amazon
M210A2290Base Assembly8 models$202.49 · Amazon
M210A2936Capillary8 models$19.99 · Amazon
M210A2937Capillary8 models$19.99 · Amazon
M210A2523Rear Guard8 models$45.99 · Amazon
M210A2668Stop Valve8 models$37.99 · Amazon
M210A6667Stop Valve8 models$37.99 · Amazon
T2W0A2376Terminal8 models$15.49 · Amazon
M210A2644Union8 models$15.99 · Amazon
M21L2V938Capillary9 models$21.99 · Amazon
M21J7E641Chrge Plug9 models$15.99 · Amazon
M21L2V646High Pressure9 models$39.99 · Amazon
M21L2V501Propeller9 models$68.49 · Amazon
M21L2V010Room Air Conditioner Front Grille9 models$39.99 · Amazon
T2WL7V398Rv Coil9 models$43.99 · Amazon
M21L2V297Top Panel9 models$37.99 · Amazon
M21L2V505Compressor10 models$9.49 · Amazon
T2WL7V656Oil Separa10 models$49.49 · Amazon
M21L2V249Side Panel10 models$37.99 · Amazon
DA9711092BSamsung Refrigerator Ice Maker121 models$246.22 · 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 MXZ-3B30NA-1: T2W4K1375 (Terminal B), M219T7337 (Central Air Conditioner Heat Pump Reactor), M219T4653 (Central Air Conditioner Level C Refrigerant Valve Coil), M219T4652 (Lev Coil), M219T6651 (Lev Coil), M21EA0959 (Power Rece), M210A2290 (Base Assembly), M210A2523 (Rear Guard), M210A2668 (Stop Valve), M210A6667 (Stop Valve), T2W0A2376 (Terminal), M210A2644 (Union), M21J7E641 (Chrge Plug), M21L2V646 (High Pressure), M21L2V501 (Propeller), T2WL7V398 (Rv Coil), M21L2V505 (Compressor), T2WL7V656 (Oil Separa), DA9711092B (Samsung Refrigerator Ice Maker).

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 MXZ-3B30NA-1: M21L2V402 (Expansion), M210A2936 (Capillary), M210A2937 (Capillary), M21L2V938 (Capillary), M21L2V010 (Room Air Conditioner Front Grille), M21L2V297 (Top Panel), M21L2V249 (Side Panel).

Before you buy

Match MXZ3B30NA1 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.

Neighbouring Mitsubishi Air Conditioner models

These model numbers sort next to this one in the catalog and are usually the same product family.

Still not sure?

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