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Bosch
Electric Wall Oven

Model # HBL446AUC Official Bosch wall oven

Here are the diagrams and repair parts for Official Bosch HBL446AUC wall oven, as well as links to manuals and error code tables, if available.

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Owner’s manual
Error Codes

Model diagram and schematic

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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
Oven Thermostat 369731
#369731

Fascia panel diagram

Oven thermostat

Part #369731

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

Band 434052
#434052

Body diagram

Band

Part #434052

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

Cap 421020
#421020

Fascia panel diagram

Cap

Part #421020

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

Screw 420221
#420221

Cavity diagram

Screw

Part #420221

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

Resistor 420238
#420238

Internal top panel diagram

Resistor

Part #420238

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

Lock Washer 420194
Lock washer

Part #420194

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

Lamp 421537
#421537

Fascia panel diagram

Lamp

Part #421537

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

Drive Hinge 143619
#143619

Body diagram

Drive hinge

Part #143619

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

Oven Hinge 421154
#421154

Body diagram

Oven hinge

Part #421154

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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