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Bosch
Electric Wall Oven

Model # HBL5450UC/09 Official Bosch electric wall oven

Here are the diagrams and repair parts for Official Bosch HBL5450UC-09 electric 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.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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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 94 parts  |
Range Oven Control Board 00659614
#203

Latch asy diagram

Range oven control board

Part #00659614

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

Wall Oven Display Control Board (replaces 00665239, 00681273, 703859) 00703859
#101

Control panel diagram

Wall oven display control board (replaces 00665239, 00681273, 703859)

Part #00703859

$724.93 | 
$12.00 OFF Phone Price : $736.93
In Stock
Thermador Wall Oven Power Supply Board (replaces 663802) 00663802
#205

Latch asy diagram

Thermador wall oven power supply board (replaces 663802)

Part #00663802

$128.19 | 
9% OFF Phone Price : $140.19
In Stock
Wall Oven Door Lock Assembly 00751505
#207

Latch asy diagram

Wall oven door lock assembly

Part #00751505

$144.49 | 
8% OFF Phone Price : $156.49
In Stock
Thermador Wall Oven Door Seal 00144652
#403

Door diagram

Thermador wall oven door seal

Part #00144652

$39.29 | 
13% OFF Phone Price : $45.29
In Stock
Panel 00685879
#404

Door diagram

Panel

Part #00685879

Replaced by #00770023

?
Manufacturer substitution
This part replaces 00685879. Substitute parts can look different from the original.
$182.39 | 
6% OFF Phone Price : $194.39
In Stock
Limiter 00612548
#202

Latch asy diagram

Limiter

Part #00612548

Replaced by #00617877

?
Manufacturer substitution
This part replaces 00612548. Substitute parts can look different from the original.
$29.36
In Stock
Wall Oven Selector Switch Knob 00609121
#105

Control panel diagram

Wall oven selector switch knob

Part #00609121

$47.99 | 
11% OFF Phone Price : $53.99
In Stock
Wall Oven Light Assembly 00415045
#301

Inner parts diagram

Wall oven light assembly

Part #00415045

$79.29 | 
7% OFF Phone Price : $85.29
In Stock
Range Oven Door Outer Panel (replaces 248979) 00248979
#413

Door diagram

Range oven door outer panel (replaces 248979)

Part #00248979

$391.66 | 
$12.00 OFF Phone Price : $403.66
In Stock

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 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 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 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 broil?

Main causes: broken broil element, faulty broil burner igniter, 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 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
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 wall oven door hinges

How to replace wall oven door hinges

If your oven door flops open fast, it's time to replace the hinges. Follow these step-by-step instructions to do it your…

Read more
Repair difficulty
Time required
 15 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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