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Bosch
Electric Wall Oven

Model # HBL446AUC/01 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBL446AUC-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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 137 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 420254
#420254

Door diagram

Screw

Part #420254

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

Fan Blade 490360
#490360

Cavity diagram

Fan blade

Part #490360

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

Spacer 418412
#418412

Cavity diagram

Spacer

Part #418412

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 Element 435178
#435178

Cavity diagram

Oven element

Part #435178

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

Fan 219292
#219292

Cavity diagram

Fan

Part #219292

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

Fascia Frame 369742
#369742

Fascia panel diagram

Fascia frame

Part #369742

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

Screw 420249
#420249

Internal top panel diagram

Screw

Part #420249

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

Most common symptoms to help you fix your wall oven

Choose a symptom to see related wall oven repairs.

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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 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 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 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 heat?

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

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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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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 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
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 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

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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