Bosch
Electric Wall Oven

Model # HBN446AUC/01 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBN446AUC-01 electric built-in oven, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 135 parts  |

Oven Bulb 420228
#420228

Cavity diagram

Oven bulb

Part #420228

Replaced by #00189351

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Manufacturer substitution
This part replaces 420228. Substitute parts can look different from the original.
$25.79
19% OFF Phone Price : $31.79
In Stock
Insulator 432126
#432126

Body diagram

Insulator

Part #432126

The manufacturer no longer makes this part, and there's no substitute part

Screw 420211
#420211

Cavity diagram

Screw

Part #420211

The manufacturer no longer makes this part, and there's no substitute part

Oven Pan 491309
#491309

Internal top panel diagram

Oven pan

Part #491309

The manufacturer no longer makes this part, and there's no substitute part

Cover, R 240812
#240812

Body diagram

Cover, r

Part #240812

The manufacturer no longer makes this part, and there's no substitute part

Thermometer 491311
#491311

Cavity diagram

Thermometer

Part #491311

The manufacturer no longer makes this part, and there's no substitute part

Cap Nut 420195
#420195

Body diagram

Cap nut

Part #420195

The manufacturer no longer makes this part, and there's no substitute part

Insulation Cover 490347
#490347

Body diagram

Insulation cover

Part #490347

The manufacturer no longer makes this part, and there's no substitute part

Shield 420233
#420233

Internal top panel diagram

Shield

Part #420233

The manufacturer no longer makes this part, and there's no substitute part

Screw 420192
Screw

Part #420192

The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your wall oven

Choose a symptom to see related wall oven repairs.

Main causes: bad oven door lock assembly, faulty electronic control board, wiring failure…

Main causes: lack of gas supply, broken igniter, tripped circuit breaker, broken oven element, tripped thermal fuse, con…

Main causes: broken broil element, faulty broil burner igniter, control system failure…

Main causes: lack of electrical power, bad electronic control board, faulty oven control thermostat…

Main causes: faulty oven temperature sensor, control system problem, weak burner igniter, damaged oven element…

Main causes: broken bake element, bad bake burner igniter, tripped thermal switch, control system failure…

Most common repair guides to help fix your wall oven

These step-by-step repair guides will help you safely fix what’s broken on your wall oven.

How to replace the thermal switch in a wall oven

How to replace the thermal switch in a wall oven

If the oven won't heat after resetting the thermal switch, replace the thermal switch.…

Repair difficulty
Time required
 60 minutes or less
How to replace a wall oven control thermostat

How to replace a wall oven control thermostat

Get your oven temperature under your control by replacing a faulty oven control thermostat.…

Repair difficulty
Time required
 60 minutes or less
How to replace a wall oven thermal fuse

How to replace a wall oven thermal fuse

The thermal fuse trips to prevent the over from excessively overheating. The oven won't heat again until you replace the…

Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your wall oven

Use the advice and tips in these articles and videos to get the most out of your wall oven.

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Wall oven common questions

Wall oven common questions

Read the questions our experts often hear about wall ovens, and the answers.…