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Bosch
Electric Wall Oven

Model # HBL442AUC/01 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBL442AUC-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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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
Oven Element 239404
#239404

Cavity diagram

Oven element

Part #239404

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

Seal 238950
#238950

Door diagram

Seal

Part #238950

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

Latch 418427
#418427

Internal top panel diagram

Latch

Part #418427

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

Oven Lens 420227
#420227

Cavity diagram

Oven lens

Part #420227

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

Handle 421499
#421499

Body diagram

Handle

Part #421499

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

Fan Motor 490358
#490358

Cavity diagram

Fan motor

Part #490358

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

Cap Screw 421466
#421466

Fascia panel diagram

Cap screw

Part #421466

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

Door 238954
#238954

Door diagram

Door

Part #238954

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

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Top questions about Sears and Sears PartsDirect

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How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances.…

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