Bosch
Electric Wall Oven

Model # HBL3450UC/09 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBL3450UC-09 electric built-in oven, as well as links to manuals and error code tables, if available.

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

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Model diagram and schematic

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Showing 10 of 87 parts  |

Bulb 623710
#317

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
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.
In Stock
Repair Set 650874
#407

Door assy diagram

Repair set

Part #650874

Replaced by #00650874

?
Manufacturer substitution
This part replaces 650874. Substitute parts can look different from the original.
$308.86
$10.00 OFF Phone Price : $318.86
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.
In Stock
Range Oven Door Outer Panel 248979
#413

Door assy diagram

Range oven door outer panel

Part #248979

Replaced by #00248979

?
Manufacturer substitution
This part replaces 248979. Substitute parts can look different from the original.
$407.98
$10.00 OFF Phone Price : $417.98
In Stock
Glass Panel 685879
#404

Door assy diagram

Glass panel

Part #685879

Replaced by #00770023

?
Manufacturer substitution
This part replaces 685879. Substitute parts can look different from the original.
$182.39
5% OFF Phone Price : $192.39
In Stock
Door Gasket 491569
#306

Oven assy diagram

Door gasket

Part #491569

Replaced by #00491569

?
Manufacturer substitution
This part replaces 491569. Substitute parts can look different from the original.
$84.95
6% OFF Phone Price : $89.95
In Stock
Bracket 613178
#408

Door assy diagram

Bracket

Part #613178

Replaced by #00613178

?
Manufacturer substitution
This part replaces 613178. Substitute parts can look different from the original.
$28.56
6% OFF Phone Price : $30.49
In Stock
Terminal Box 436364
#204

Pcb's assy diagram

Terminal box

Part #436364

Replaced by #00436364

?
Manufacturer substitution
This part replaces 436364. Substitute parts can look different from the original.
In Stock
Oven Harness 663791
#NI

Control panel diagram

Oven harness

Part #663791

Replaced by #00663791

?
Manufacturer substitution
This part replaces 663791. Substitute parts can look different from the original.
In Stock

Most common symptoms to help you fix your wall oven

Choose a symptom to see related wall oven repairs.

Main causes: faulty oven temperature sensor, control system problem, weak burner igniter, damaged oven element…

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

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

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

Main causes: lack of gas supply, broken igniter, tripped circuit breaker, broken oven element, tripped thermal fuse, con…

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

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.

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. …

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.…

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…

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.

Oven rack placement for the best results video

Oven rack placement for the best results video

Learn where to place the rack in your oven for optimal broiling, toasting, baking or roasting.…

How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances.…

How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…