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Bosch
Electric Wall Oven

Model # HBL742AUC Official Bosch wall oven

Here are the diagrams and repair parts for Official Bosch HBL742AUC wall oven, as well as links to manuals and error code tables, if available.

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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 140 parts  |
Wall Oven Filter 489268
#489268

Fascia panel diagram

Wall oven filter

Part #489268

Replaced by #00489268

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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 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
Washer 420251
#420251

Door diagram

Washer

Part #420251

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

Pin 418440
#418440

Body diagram

Pin

Part #418440

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

Range High-limit Thermostat 420235
#420235

Internal top panel diagram

Range high-limit thermostat

Part #420235

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

Frame 143343
#143343

Body diagram

Frame

Part #143343

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

Door Hinge 489294
#489294

Body diagram

Door hinge

Part #489294

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

Sleeve 420182
#420182

Body diagram

Sleeve

Part #420182

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

Trim 434051
#434051

Body diagram

Trim

Part #434051

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

Oven Motor 490365
#490365

Internal top panel diagram

Oven motor

Part #490365

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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