Parts for WTMC8321US05 — Bosch Dryer

We found 67 parts confirmed to fit the Bosch Dryer WTMC8321US05.

Compatibility table

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 WTMC8321US/05: 00665443 (Fascia Panel), 00443602 (Bosch Cover), 00603975 (Cap Cover), 00478177 (Cover), 443602 (Fan Cover), 00644357 (Bosch Cover), 00422243 (Bosch Laundry Appliance Screw), 00424035 (Cap Cover), 00424036 (Cap Cover), 00499216 (Cover), 605325 (Screw), 422243 (Screw), 00491647 (Bosch Dryer Door Hinge), 00422180 (Dryer Screw).

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 WTMC8321US/05: 00472728 (Basket), 00491693 (Bosch Sealing), 00421662 (Cable Harness), 00421680 (Cable Harness), 00249120 (Door), 00245160 (Dryer Drum Assembly), 421663 (Dryer Harness), 421681 (Dryer Harness), 421662 (Harness), 00241091 (Bosch Dryer Drum Front Bearing), 00421597 (Cable Harness), 00421664 (Cable Harness), 00421665 (Cable Harness), 00421679 (Cable Harness), 613461 (Bearing), 422272 (Protector), 422173 (Dryer Drum Lamp), 606389 (Bearing), 154165 (Washer Seal), 00422203 (Bosch Dryer Relay), 00436417 (Drum Baffle), 00422201 (Foot), 00422221 (Laundry Appliance Heater Temperature Sensor), 00491673 (Bosch Dryer Door Strike), 154166 (Ntc), 00680865 (Washer Door Glass).

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 WTMC8321US/05: 00424034 (Bosch Dryer Drum Support Roller Retainer), 436441 (Dryer Drive Motor), 00491679 (Drive Belt), 00436441 (Bosch Dryer Drive Motor), 00491611 (Bosch Dryer Belt Switch), 00491608 (Dryer Idler Pulley), 00422200 (Bosch Dryer Drum Support Roller).

Door and drum seals

Symptom: A drum seal that's worn through, letting the dryer pull in room air instead of pushing heated air through the load.

Check: Look for the drum seal fraying or missing where it meets the front or rear bulkhead -- worn felt or foam here is visible once the front panel is off.

Parts in this group on WTMC8321US/05: 491630 (Dryer Door Seal), 00491630 (Bosch Dryer Door Seal).

Controls, timers and wiring

Symptom: A cycle that doesn't advance, an unresponsive display, or the dryer 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 WTMC8321US/05: 00421678 (Bosch Dryer Wire Harness).

Heat control (thermostats, fuses, heating element)

Symptom: The dryer runs but produces no heat, or it shuts off partway through the cycle.

Check: With the dryer unplugged, check continuity across the part with a multimeter -- no continuity means it has failed. Clear the lint vent first, since a blocked vent is what usually trips a thermal fuse in the first place.

Parts in this group on WTMC8321US/05: 00422272 (Bosch Dryer High-Limit Thermostat), 00436460 (Dryer Heating Element), 00422177 (Dryer High-Limit Thermostat), 10010119 (Dryer Thermistor).

Venting and airflow

Symptom: A dryer that needs multiple cycles to dry, runs unusually hot, or repeatedly trips its heat-limit switch.

Check: Clear the lint screen and the full vent run to the outside wall -- a restricted vent is the single most common cause of long dry times and repeat thermal-fuse failures.

Parts in this group on WTMC8321US/05: 00436476 (Bosch Dryer Lint Screen), 00422202 (Bosch Dryer Moisture Sensor), 00491640 (Bosch Dryer Blower Wheel).

Door, lid switches and latches

Symptom: The dryer won't run, or stops, unless the door is fully latched shut.

Check: Listen for an audible click when the door closes. No click, or a visibly cracked plastic tab on the latch, points to this part.

Parts in this group on WTMC8321US/05: 00422183 (Bosch Dryer Door Switch), 00491624 (Door Catch).

Interior lighting

Symptom: The interior light doesn't turn on when the door opens.

Check: Confirm power is reaching the socket, then check the door-activated light switch before assuming the bulb itself is at fault.

Parts in this group on WTMC8321US/05: 00422173 (Dryer Drum Light Bulb).

Before you buy

Match WTMC8321US05 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

On most dryers, the model and serial plate sits inside the door opening or behind the lint trap. 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.

Neighbouring Bosch Dryer models

These model numbers sort next to this one in the catalog and are usually the same product family.

• WTMC8521UC/05 — 54 parts
• WTV76100US/01 — 61 parts
• WTV76100US/02 — 44 parts
• WTV76100US/03 — 43 parts
• WTV76100US/04 — 56 parts
• WTMC552SUC/02 — 59 parts
• WTMC532SUS/02 — 86 parts
• WTMC5321US/05 — 53 parts
• WTMC332SUS/02 — 43 parts
• WTMC3321US/05 — 42 parts

Still not sure?

Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.