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Bosch
Electric Wall Oven

Model # HBN445AUC/01 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBN445AUC-01 electric built-in oven, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Error Codes

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
Screw 420231
Screw

Part #420231

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

Light 418430
#418430

Fascia panel diagram

Light

Part #418430

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

Rail 435635
#435635

Body diagram

Rail

Part #435635

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

Nut 420252
#420252

Door diagram

Nut

Part #420252

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

Glass Panel 239456
#239456

Fascia panel diagram

Glass panel

Part #239456

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

Cap Screw 421465
#421465

Internal top panel diagram

Cap screw

Part #421465

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

Rail 435636
#435636

Body diagram

Rail

Part #435636

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

Channel 490357
#490357

Cavity diagram

Channel

Part #490357

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

Glass Panel 239449
#239449

Fascia panel diagram

Glass panel

Part #239449

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.

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Why won't my wall oven door unlock?

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

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Why won't my wall oven broil?

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

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Why won't my wall oven bake?

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

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Why isn't my wall oven at the temperature I set?

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

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Why doesn't my wall oven work?

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

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Why won't my wall oven heat?

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

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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.

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How to replace a wall oven door outer glass panel

How to replace a wall oven door outer glass panel

Learn how to replace a damaged outer window panel on your wall oven door with these step-by-step instructions. …

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Repair difficulty
Time required
 45 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.…

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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…

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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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5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Top questions about Sears and Sears PartsDirect

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