Parts for CT4521K — Hitachi

We found 17 parts confirmed to fit the Hitachi CT4521K.

Compatibility table

All 17 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
SMCT4521KHitachi Home Electronics Service ManualThis model only$67.99 · Amazon
1414250T75904Home Electronics PCB AssemblyThis model only$119.49 · Amazon
3798125Home Electronics Screen AssemblyThis model only$480.99 · Amazon
190989Home Electronics TransistorThis model only$600.60 · Amazon
TVSM74LS02PI.c.This model only$2.75 · Amazon
TC0001Magnet KeyThis model only$9.49 · Amazon
2374280103Rod SpringThis model only$2.22 · Amazon
32101371Speaker GrilleThis model only$62.43 · Amazon
464515693Cathode Ray Tube Socket2 models$7.64 · Amazon
4681553Converter Rf2 models$85.54 · Amazon
170WB22BCrt Blue2 models$422.49 · Amazon
170WB22GCrt Green2 models$370.58 · Amazon
173359Resistor5 models$41.80 · Amazon
463533643Pcb Converg6 models$275.99 · Amazon
2970302Transmitter8 models$63.49 · Amazon
W11023143KNOB, CONTROL (BISCUIT)10 models$105.52 · Amazon
463533603RCA Pcb Deflect10 models$311.98 · 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 CT4521K: SMCT4521K (Hitachi Home Electronics Service Manual), 1414250T75904 (Home Electronics PCB Assembly), 3798125 (Home Electronics Screen Assembly), 190989 (Home Electronics Transistor), TVSM74LS02P (I.c.), TC0001 (Magnet Key), 4681553 (Converter Rf), 170WB22B (Crt Blue), 170WB22G (Crt Green), 173359 (Resistor), 463533643 (Pcb Converg), 2970302 (Transmitter), 463533603 (RCA Pcb Deflect).

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 CT4521K: 2374280103 (Rod Spring), 32101371 (Speaker Grille), 464515693 (Cathode Ray Tube Socket), W11023143 (KNOB, CONTROL (BISCUIT)).

Before you buy

Match CT4521K 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.