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Bosch
Electric Wall Oven

Model # HBN5450SK/02 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBN5450SK-02 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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Showing 10 of 78 parts  |
Sticker 519252

#519252

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Sticker

Part #519252

Replaced by #00633848

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Manufacturer substitution
This part replaces 519252. Substitute parts can look different from the original.
$55.24
In Stock
Base 174037

#174037

All parts diagram

Base

Part #174037

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

Screw-set 150347

#NI03

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Screw-set

Part #150347

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

Insulating Part 267733

#267733

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Insulating part

Part #267733

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

Sealing 026589

#26589

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Sealing

Part #026589

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

Push Button Set 174386

#174386

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Push button set

Part #174386

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

Sealing 173909

#173909

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Sealing

Part #173909

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

Holder 267736

#267736

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Holder

Part #267736

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

Instruction Manual 528051

#NI01

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Instruction manual

Part #528051

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

Splint Pin 014139

#14139

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Splint pin

Part #014139

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 heat?

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

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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 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 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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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 the thermal switch in a wall oven

How to replace the thermal switch in a wall oven

If the oven won't heat after resetting the thermal switch, replace the thermal switch.…

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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 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

Get tips on completing essential holiday cleaning tasks to brighten your home.…

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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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Wall oven common questions

Wall oven common questions

Read the questions our experts often hear about wall ovens, and the answers.…

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