Parts for HRS3900U — JVC

We found 25 parts confirmed to fit the JVC HRS3900U.

Compatibility table

All 25 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
VHEZJ22B1EDIODE,ZENEThis model only$2.16 · Amazon
1412351960700Home Electronics Bracket CouplingThis model only$2.49 · Amazon
TSPC0645AWZZLABEL, SPEThis model only$2.16 · Amazon
S5350SawThis model only$212.49 · Amazon
AK6402242ATray Door2 models$27.42 · Amazon
LPA2000902BS Jack Pcb4 models$8.65 · Amazon
LP208690A2AWindow4 models$13.66 · Amazon
LP40407001AKnob Assembly5 models$2.86 · Amazon
LP40253001BStopper5 models$2.48 · Amazon
LP20868005ACassette Door7 models$29.99 · Amazon
LP30004014ACompress S7 models$5.16 · Amazon
LP40323001AContact7 models$2.48 · Amazon
LP30954001AKnob Assembly8 models$5.56 · Amazon
ICPN25Ic Protector10 models$2.16 · Amazon
PELN0860Transformer10 models$5.16 · Amazon
PELN0861Transformer10 models$5.16 · Amazon
LP40120001AWorm Gear10 models$10.06 · Amazon
LP40103002BGear11 models$6.37 · Amazon
QSW0554003Encoder12 models$17.19 · Amazon
PELN0832Transformer14 models$10.33 · Amazon
PB11076APCB Assembly15 models$39.23 · Amazon
QAU0207001Tuner15 models$89.98 · Amazon
QSW0456002ZTact Switch16 models$2.48 · Amazon
GP3S123P Interru17 models$5.16 · Amazon
WP12729128DEFROST HEATER131 models$56.04 · 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 HR-S3900U: VHEZJ22B1E (DIODE,ZENE), TSPC0645AWZZ (LABEL, SPE), S5350 (Saw), LPA2000902B (S Jack Pcb), LP208690A2A (Window), LP40253001B (Stopper), LP20868005A (Cassette Door), LP30004014A (Compress S), LP40323001A (Contact), ICPN25 (Ic Protector), PELN0860 (Transformer), PELN0861 (Transformer), LP40120001A (Worm Gear), LP40103002B (Gear), QSW0554003 (Encoder), PELN0832 (Transformer), PB11076A (PCB Assembly), QAU0207001 (Tuner), QSW0456002Z (Tact Switch), GP3S123 (P Interru), WP12729128 (DEFROST HEATER).

Drive system (belts, pulleys, motors)

Symptom: A drum or tub that won't turn, a burning-rubber smell, or a loud thump or squeal during a cycle.

Check: With power off, turn the drum or tub by hand -- resistance or grinding points to the motor or a bearing, and a cracked, glazed, or snapped belt is visible once the cabinet is open.

Parts in this group on HR-S3900U: 1412351960700 (Home Electronics Bracket Coupling).

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 HR-S3900U: AK6402242A (Tray Door), LP40407001A (Knob Assembly), LP30954001A (Knob Assembly).

Before you buy

Match HRS3900U 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.