Parts for HBL5720UC03 — Bosch Microwave

We found 64 parts confirmed to fit the Bosch Microwave HBL5720UC03.

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 HBL5720UC/03: 00247955 (Cover), 00673723 (Pan), 00673725 (Bracket), 00665184 (Handle), 00662368 (Housing), 00647686 (Support), 00600114 (Knob), 00487763 (Glass Cooking Tray), 00641855 (Siemens Wall Oven Microwave Turntable Tray Support), 00650874 (Door Hinge Set), 00422102 (Wall Oven Pan Head Screw, 8-18 x 3/8-in), 00247173 (Trim Piece Set), 00478315 (Wall Oven Rack), 00643000 (Shelf Support), 00189345 (Thermador 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 HBL5720UC/03: 00246548 (Outer Door), 00662372 (Outer Door), 00479027 (Oven Cavity), 00606708 (Button), 00753604 (Cable), 00641866 (Frame), 00663332 (Duct), 00415825 (Oven Switch), 00606697 (Siemens Microwave Noise Filter), 00641867 (Siemens Membrane), 00641859 (Siemens Microwave Turntable Motor), 00641858 (Siemens Microwave Magnetron), 00606695 (Siemens Wall Oven Microwave Door Interlock Switch), 00413608 (Thermador Microwave Fuse), 00606693 (Siemens Microwave Door Interlock Switch), 00633795 (SWITCH), 00608377 (Bosch Microwave Fuse), 00188979 (Cooktop Main Top Seal), 00663805 (Thermador Wall Oven Convection Element, 2000-watt), 00144667 (Wall Oven Broil Element), 00643600 (Thermador Wall Oven Cooling Fan Assembly), 00144648 (Thermador Wall Oven Broil Element), 00478310 (Thermador Wall Oven Door Middle Glass), 00688561 (Wall Oven Door Liner), 00770023 (Range Oven Door Inner Glass), 00663802 (Thermador Wall Oven Power Supply Board), 00751505 (Wall Oven Door Lock Assembly), 00642855 (Thermador Wall Oven Temperature Sensor), 00642845 (Thermador Wall Oven Convection Fan Motor), 10007567 (Receptacle Socket), 00755060 (Range Oven Meat Probe Sensor).

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 HBL5720UC/03: 00641862 (Siemens Wall Oven Microwave Electronic Control Board), 00641857 (Siemens Microwave Inverter Board), 12022212 (Range Oven Control Board), 00703859 (Bosch Wall Oven Display Control Board).

Heat control (thermostats, fuses, heating element)

Symptom: The appliance runs but heats or cools inconsistently, or shuts off partway through a cycle.

Check: With the appliance unplugged, check continuity across the part with a multimeter -- no continuity means it has failed.

Parts in this group on HBL5720UC/03: 00606694 (Siemens Microwave Thermal Cut-Off), 00617877 (Wall Oven High-Limit Thermostat).

Door, lid switches and latches

Symptom: The appliance won't start, or stops, unless the lid or door is fully latched shut.

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

Parts in this group on HBL5720UC/03: 00415845 (Siemens Microwave Door Latch Lever), 11018656 (Microwave Door Latch Hook).

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 HBL5720UC/03: 00606692 (Siemens Microwave Light Bulb), 00623710 (Wall Oven Light Bulb, 40-watt), 00414513 (Wall Oven Light Lens), 00415045 (Wall Oven Light Assembly).

Door and drum seals

Symptom: A door or drum seal that has lost its grip, letting water or conditioned air escape past it.

Check: Inspect the seal for tears, flattening, or gaps, and check it against your model's part number before ordering.

Parts in this group on HBL5720UC/03: 00144652 (Thermador Wall Oven Door Seal), 00491569 (Thermador Range Oven Door Gasket).

Before you buy

Match HBL5720UC03 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 microwaves, the model and serial plate sits inside the door frame. 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 Microwave models

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

• HBL5720UC/06 — 66 parts
• HBL5720UC/08 — 63 parts
• HBL5720UC/09 — 65 parts
• HBL5751UC — 20 parts
• HBL5751UC/01 — 111 parts
• HBL5720UC/01 — 56 parts

Other microwave models

These model numbers sort close to this one in the catalog for the same appliance type. The brand is not confirmed to match, but the model number range is close.

• HBL5720UC-02 — 90 parts
• GVMB14S4W1SS — 21 parts
• GT4175SPT4 — 15 parts
• GT4175SPT3 — 17 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.