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Bosch
Electric Wall Oven

Model # HBN746AUC Official Bosch wall oven

Here are the diagrams and repair parts for Official Bosch HBN746AUC wall 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.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Installation guide
Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 133 parts  |
Oven Bulb 420228
#420228

Cavity diagram

Oven bulb

Part #420228

Replaced by #00189351

?
Manufacturer substitution
This part replaces 420228. Substitute parts can look different from the original.
$25.79 | 
19% OFF Phone Price : $31.79
In Stock
Switch-doo 418463
#418463

Upper internal panel diagram

Switch-doo

Part #418463

Replaced by #00614766

?
Manufacturer substitution
This part replaces 418463. Substitute parts can look different from the original.
$25.84
In Stock
Wall Oven Filter 489268
#489268

Fascia panel diagram

Wall oven filter

Part #489268

Replaced by #00489268

?
Manufacturer substitution
This part replaces 489268. Substitute parts can look different from the original.
$29.04 | 
17% OFF Phone Price : $35.04
In Stock
Oven Cover 240807
Oven cover

Part #240807

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

Case 239476
Case

Part #239476

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

Wall Oven Broil Element 239403
#239403

Cavity diagram

Wall oven broil element

Part #239403

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

Connection 418409
#418409

Cavity diagram

Connection

Part #418409

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

Support 418413
#418413

Fascia panel diagram

Support

Part #418413

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

Oven Motor 490365
#490365

Upper internal panel diagram

Oven motor

Part #490365

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

Relay Board 489277
#489277

Cavity diagram

Relay board

Part #489277

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

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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