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Bosch
Electric Wall Oven

Model # HBL5450UC/05 Official Bosch electric wall oven

Here are the diagrams and repair parts for Official Bosch HBL5450UC-05 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 88 parts  |
Control Module 648782
#203

Pcb's assy diagram

Control module

Part #648782

Replaced by #12022212

?
Manufacturer substitution
This part replaces 648782. Substitute parts can look different from the original.
This item is not returnable
$321.71 | 
$12.00 OFF Phone Price : $333.71
In Stock
Cntl Mech 681273
#101

Control panel diagram

Cntl mech

Part #681273

Replaced by #00703859

?
Manufacturer substitution
This part replaces 681273. Substitute parts can look different from the original.
$746.68 | 
$12.00 OFF Phone Price : $758.68
In Stock
Bulb 623710
#NI

Oven assy diagram

Bulb

Part #623710

Replaced by #00623710

?
Manufacturer substitution
This part replaces 623710. Substitute parts can look different from the original.
This item is not returnable
$7.09 | 
12% OFF Phone Price : $8.09
In Stock
Motor 642845
#303

Oven assy diagram

Motor

Part #642845

Replaced by #00642845

?
Manufacturer substitution
This part replaces 642845. Substitute parts can look different from the original.
$165.59 | 
7% OFF Phone Price : $177.59
In Stock
Inner Glass 683646
#404

Door assy diagram

Inner glass

Part #683646

Replaced by #00770023

?
Manufacturer substitution
This part replaces 683646. Substitute parts can look different from the original.
$182.39 | 
6% OFF Phone Price : $194.39
In Stock
Bracket 613179
#409

Door assy diagram

Bracket

Part #613179

Replaced by #00613179

?
Manufacturer substitution
This part replaces 613179. Substitute parts can look different from the original.
$23.49
In Stock
Door Seal 144652
#403

Door assy diagram

Door seal

Part #144652

Replaced by #00144652

?
Manufacturer substitution
This part replaces 144652. Substitute parts can look different from the original.
$39.29 | 
13% OFF Phone Price : $45.29
In Stock
Wall Oven Selector Switch Knob 609121
#105

Control panel diagram

Wall oven selector switch knob

Part #609121

Replaced by #00609121

?
Manufacturer substitution
This part replaces 609121. Substitute parts can look different from the original.
$47.99 | 
11% OFF Phone Price : $53.99
In Stock
Temperature Limit 612548
#202

Pcb's assy diagram

Temperature limit

Part #612548

Replaced by #00617877

?
Manufacturer substitution
This part replaces 612548. Substitute parts can look different from the original.
$29.36
In Stock
Glass Panel 478310
#406

Door assy diagram

Glass panel

Part #478310

Replaced by #00478310

?
Manufacturer substitution
This part replaces 478310. Substitute parts can look different from the original.
$137.56 | 
8% OFF Phone Price : $149.56
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 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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