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Bosch
Electric Wall Oven

Model # HBL5450UC/01 Official Bosch electric wall oven

Here are the diagrams and repair parts for Official Bosch HBL5450UC-01 electric wall oven, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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 86 parts  |
Glass Panel 478309
#404

Door assy diagram

Glass panel

Part #478309

Replaced by #00770023

?
Manufacturer substitution
This part replaces 478309. Substitute parts can look different from the original.
$182.39 | 
6% OFF Phone Price : $194.39
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
Oven Lamp Assembly 415045
#301

Oven assy diagram

Oven lamp assembly

Part #415045

Replaced by #00415045

?
Manufacturer substitution
This part replaces 415045. Substitute parts can look different from the original.
$79.29 | 
7% OFF Phone Price : $85.29
In Stock
Oven Door 479016
#414

Door assy diagram

Oven door

Part #479016

Replaced by #00479016

?
Manufacturer substitution
This part replaces 479016. Substitute parts can look different from the original.
$349.70 | 
$12.00 OFF Phone Price : $361.70
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
Limiter 642844
#202

Pcb's assy diagram

Limiter

Part #642844

Replaced by #00617877

?
Manufacturer substitution
This part replaces 642844. Substitute parts can look different from the original.
$29.36
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
Ring 423808
#103

Control panel diagram

Ring

Part #423808

Replaced by #00423808

?
Manufacturer substitution
This part replaces 423808. Substitute parts can look different from the original.
This item is not returnable
$20.34
In Stock
Cntrl.mech 665239
#101

Control panel diagram

Cntrl.mech

Part #665239

Replaced by #00702859

?
Manufacturer substitution
This part replaces 665239. Substitute parts can look different from the original.
$220.11 | 
5% OFF Phone Price : $232.11
In Stock
Harness 663944
#NI

Oven assy diagram

Harness

Part #663944

Replaced by #00666001

?
Manufacturer substitution
This part replaces 663944. Substitute parts can look different from the original.
$23.77
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 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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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 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 doesn't my wall oven work?

Main causes: lack of electrical power, bad electronic control board, faulty oven control thermostat…

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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 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. …

Read more
Repair difficulty
Time required
 45 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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How to enjoy all the online benefits we offer on our Sears PartsDirect website

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