Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Bosch
Electric Wall Oven

Model # HBN3450UC/04 Official Bosch wall oven

Here are the diagrams and repair parts for Official Bosch HBN3450UC-04 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Installation guide
Owner’s manual
Error Codes

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 27 parts  |
Shelf 664675
#601

Shelfs diagram

Shelf

Part #664675

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

Interface 681191
#101

Control panel diagram

Interface

Part #681191

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

Screw 608361
#408

Door assy diagram

Screw

Part #608361

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

Panel 245622
#501

Cabinet diagram

Panel

Part #245622

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

Bracket 608076
#207

Pcb's assy diagram

Bracket

Part #608076

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

Harness 646653
#NI

Control panel diagram

Harness

Part #646653

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

Oven 245837
#NI

Oven assy diagram

Oven

Part #245837

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

Cover 681711
#509

Cabinet diagram

Cover

Part #681711

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

Plate,blk 680441
#208

Pcb's assy diagram

Plate,blk

Part #680441

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

Reflector 478695
#312

Oven assy diagram

Reflector

Part #478695

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.

View all

Why won't my wall oven door unlock?

Main causes: bad oven door lock assembly, faulty electronic control board, wiring failure…

Read more

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…

Read more

Why won't my wall oven broil?

Main causes: broken broil element, faulty broil burner igniter, control system failure…

Read more

Why doesn't my wall oven work?

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

Read more

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…

Read more

Why won't my wall oven bake?

Main causes: broken bake element, bad bake burner igniter, tripped thermal switch, control system failure…

Read more

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.

View all
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.…

Read more
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.…

Read more
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…

Read more
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.

View all
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.…

Read more
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.…

Read more
Wall oven common questions

Wall oven common questions

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

Read more

Parts & More