Parts for SEHDX3 — Panasonic

We found 15 parts confirmed to fit the Panasonic SEHDX3.

Compatibility table

All 15 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
ECA1EM472470mfd 16vThis model only$2.29 · Amazon
2SB1240PPanasonic Transistor2 models$2.84 · Amazon
ERDS1FJ100Resistor2 models$2.16 · Amazon
RKM0428STOP CABINET2 models— · Amazon
ECA1EM101Capacitor3 models$2.29 · Amazon
4668123Home Electronics Resistor6 models$2.16 · Amazon
2SD1862QRTV6Transistor6 models$2.16 · Amazon
RKA0114KFoot9 models— · Amazon
RSY0040M0Relay10 models$7.00 · Amazon
46186953Sanyo Television Capacitor11 models$2.29 · Amazon
RHN90001Nut16 models$2.16 · Amazon
XBA1C16NBAUFuse20 models$2.16 · Amazon
RLQZ371Coil26 models$2.74 · Amazon
RJA0065ACord46 models$28.87 · Amazon
ERZV10V511CSPanasonic Diode58 models$5.95 · 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 SE-HDX3: ECA1EM472 (470mfd 16v), ERDS1FJ100 (Resistor), 4668123 (Home Electronics Resistor), 2SD1862QRTV6 (Transistor), RKA0114K (Foot), RSY0040M0 (Relay), RHN90001 (Nut), XBA1C16NBAU (Fuse), RLQZ371 (Coil), RJA0065A (Cord).

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 SE-HDX3: 2SB1240P (Panasonic Transistor), RKM0428S (TOP CABINET), ERZV10V511CS (Panasonic Diode).

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 SE-HDX3: ECA1EM101 (Capacitor), 46186953 (Sanyo Television Capacitor).

Before you buy

Match SEHDX3 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.