Parts for CMP4121HDU511 — Hitachi

We found 22 parts confirmed to fit the Hitachi CMP4121HDU511.

Compatibility table

All 22 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
14188331Black & Decker ArmatureThis model only$33.16 · Amazon
EXA1276Home Electronics ArmThis model only$5.49 · Amazon
18A13029Home Electronics CapacitorThis model only$3.40 · Amazon
152684411Inlet,ac (nsThis model only$7.22 · Amazon
1472342101Piston (0.25This model only$123.71 · Amazon
EV01641AC Cord2 models$34.25 · Amazon
GS00661DC Fan2 models$22.83 · Amazon
JT22761Filter2 models$236.27 · Amazon
HA00995PCB Assembly2 models$454.39 · Amazon
JP05001Signal/aud2 models$921.58 · Amazon
JP05011Television Video2 models$679.06 · Amazon
HL01682Remote3 models$34.25 · Amazon
QD33482Frame6 models$124.94 · Amazon
QD35873Frame6 models$124.94 · Amazon
PC05351Switch6 models$4.78 · Amazon
FPF16RABL5004PCB Assembly8 models$252.37 · Amazon
FPF16RLGC5006PCB Assembly8 models$252.37 · Amazon
W10183566Extrusion13 models$27.84 · Amazon
W11085683Whirlpool Dishwasher Pump and Motor Assembly W1108568334 models$149.84 · Amazon
DA3100146HRefrigerator Evaporator Fan Motor489 models$133.23 · Amazon
WPW10293048Range Gas Valve871 models$345.46 · Amazon
216822900Freezer Door Switch920 models$55.75 · 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 CMP4121HDU-511: 14188331 (Black & Decker Armature), EXA1276 (Home Electronics Arm), 152684411 (Inlet,ac (ns), 1472342101 (Piston (0.25), EV01641 (AC Cord), GS00661 (DC Fan), JT22761 (Filter), HA00995 (PCB Assembly), JP05001 (Signal/aud), JP05011 (Television Video), HL01682 (Remote), QD33482 (Frame), QD35873 (Frame), PC05351 (Switch), FPF16RABL5004 (PCB Assembly), FPF16RLGC5006 (PCB Assembly), W10183566 (Extrusion), W11085683 (Whirlpool Dishwasher Pump and Motor Assembly W11085683), DA3100146H (Refrigerator Evaporator Fan Motor), WPW10293048 (Range Gas Valve).

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 CMP4121HDU-511: 18A13029 (Home Electronics Capacitor).

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 CMP4121HDU-511: 216822900 (Freezer Door Switch).

Before you buy

Match CMP4121HDU511 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.