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Bosch
Electric Wall Oven

Model # HBN5451UC/02 Official Bosch oven

Here are the diagrams and repair parts for Official Bosch HBN5451UC-02 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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Showing 10 of 75 parts  |
Wall Oven Temperature Sensor (replaces 630873) 00630873
#309

Cavity diagram

Wall oven temperature sensor (replaces 630873)

Part #00630873

$50.89 | 
11% OFF Phone Price : $56.89
In Stock
Element 00791643
#312

Cavity diagram

Element

Part #00791643

Replaced by #11021971

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Manufacturer substitution
This part replaces 00791643. Substitute parts can look different from the original.
$118.73 | 
9% OFF Phone Price : $130.73
In Stock
Wall Oven Cooling Fan Assembly 00759374
#201

Pcb asy diagram

Wall oven cooling fan assembly

Part #00759374

$106.22
In Stock
Temperature Limit 00631344
#211

Pcb asy diagram

Temperature limit

Part #00631344

Replaced by #10012286

?
Manufacturer substitution
This part replaces 00631344. Substitute parts can look different from the original.
$44.09
In Stock
Wall Oven Door Lock Assembly 00631192
#212

Pcb asy diagram

Wall oven door lock assembly

Part #00631192

$66.59 | 
8% OFF Phone Price : $72.59
In Stock
Wall Oven Selector Switch 00631340
#101

Control panel diagram

Wall oven selector switch

Part #00631340

$47.39 | 
11% OFF Phone Price : $53.39
In Stock
Wall Oven Temperature Control Switch 00631341
#102

Control panel diagram

Wall oven temperature control switch

Part #00631341

$44.59 | 
12% OFF Phone Price : $50.59
In Stock
Wall Oven Display Board 00631881
#105

Control panel diagram

Wall oven display board

Part #00631881

$144.49 | 
8% OFF Phone Price : $156.49
In Stock
Harness 12006323
#257

Pcb asy diagram

Harness

Part #12006323

$26.82
In Stock
Wall Oven Convection Element 00755059
#319

Cavity diagram

Wall oven convection element

Part #00755059

$71.62
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…

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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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