Parts for W603 — Toshiba

We found 47 parts confirmed to fit the Toshiba W603.

Compatibility table

All 47 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
TXAJT01K48Connector (zThis model only$3.08 · Amazon
5H401772CylinderThis model only$304.02 · Amazon
BY730458DoorThis model only$3.94 · Amazon
02624315000Door FrontThis model only$84.51 · Amazon
22215070Home Electronics CoilThis model only$21.99 · Amazon
TSP291Home Electronics Integrated CircuitThis model only$16.99 · Amazon
YEFX233247BHome Electronics PlateThis model only$2.49 · Amazon
204126Home Electronics SpringThis model only$2.16 · Amazon
BY634260Owner's ManualThis model only$5.81 · Amazon
229536111Rear PanelThis model only$48.43 · Amazon
BY730451RollerThis model only$2.16 · Amazon
BN9616601KStand AssemblyThis model only$107.86 · Amazon
950058025020Tube (8x250)This model only$32.75 · Amazon
0390456A09Xtw3+6qThis model only$2.16 · Amazon
BY730473Cylinder2 models$73.83 · Amazon
BY631101Integrated Circuit3 models$29.19 · Amazon
BY130218Capacitor4 models$2.16 · Amazon
BY430003Diode4 models$3.20 · Amazon
BY631022Integrated Circuit4 models$37.49 · Amazon
BY634036PCB Assembly4 models— · Amazon
BY730117Lever6 models$2.16 · Amazon
BY630094Assembly Timer7 models$42.97 · Amazon
BY730459Door7 models$3.61 · Amazon
BY730083Holder7 models$4.31 · Amazon
BY730654Motor7 models$29.54 · Amazon
BY730052Head8 models$13.83 · Amazon
BY730053Head8 models$3.26 · Amazon
BY730456Motor8 models$27.04 · Amazon
BY631008Integrated Circuit9 models$5.15 · Amazon
BY730457Cabinet10 models$13.84 · Amazon
1203001943IC 702511 models$26.75 · Amazon
BY730499PCB Assembly11 models$18.02 · Amazon
BY634046AC Cord12 models$8.15 · Amazon
70795420Fuse15 models$5.49 · Amazon
DE9403533FMicrowave Door Assembly (Black and Stainless)29 models$381.48 · Amazon
W10610937Dishwasher Control Panel and Overlay (Black)31 models$198.62 · Amazon
DG9401301ASamsung Range Main Top34 models$412.52 · Amazon
850857Husqvarna Lawn Tractor Blade Bolt38 models$3.55 · Amazon
318223626Range Main Top (Black)39 models$444.66 · Amazon
WB61X10011Cooktop Main Top40 models$446.50 · Amazon
5304491632Microwave Door Assembly (Stainless)41 models$218.84 · Amazon
5304491637Microwave Door Outer Panel (White)41 models$218.39 · Amazon
DC6301374BWasher Top Panel42 models$177.16 · Amazon
WPW10446920Start Switch67 models$64.69 · Amazon
DD6600045ADishwasher Sump Check Valve70 models$22.33 · Amazon
242087903Glass Shelf Insert412 models$90.03 · Amazon
241854301Refrigerator Evaporator Fan Motor1,027 models$121.81 · 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.

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 W603: TXAJT01K48 (Connector (z), 204126 (Home Electronics Spring), 229536111 (Rear Panel), 950058025020 (Tube (8x250)), BY730457 (Cabinet), W10610937 (Dishwasher Control Panel and Overlay (Black)), 5304491637 (Microwave Door Outer Panel (White)), DC6301374B (Washer Top Panel), 242087903 (Glass Shelf Insert).

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 W603: 5H401772 (Cylinder), BY730458 (Door), 02624315000 (Door Front), 22215070 (Home Electronics Coil), TSP291 (Home Electronics Integrated Circuit), YEFX233247B (Home Electronics Plate), BY634260 (Owner's Manual), BN9616601K (Stand Assembly), 0390456A09 (Xtw3+6q), BY730473 (Cylinder), BY631101 (Integrated Circuit), BY430003 (Diode), BY631022 (Integrated Circuit), BY634036 (PCB Assembly), BY730117 (Lever), BY730459 (Door), BY730083 (Holder), BY730654 (Motor), BY730052 (Head), BY730053 (Head), BY730456 (Motor), BY631008 (Integrated Circuit), 1203001943 (IC 7025), BY730499 (PCB Assembly), BY634046 (AC Cord), 70795420 (Fuse), DE9403533F (Microwave Door Assembly (Black and Stainless)), DG9401301A (Samsung Range Main Top), 850857 (Husqvarna Lawn Tractor Blade Bolt), 318223626 (Range Main Top (Black)), WB61X10011 (Cooktop Main Top), 5304491632 (Microwave Door Assembly (Stainless)), WPW10446920 (Start Switch), DD6600045A (Dishwasher Sump Check Valve), 241854301 (Refrigerator Evaporator Fan Motor).

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 W603: BY730451 (Roller).

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 W603: BY130218 (Capacitor), BY630094 (Assembly Timer).

Before you buy

Match W603 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.