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Roper
Electric Wall Oven

Model # B9458B3 Official Roper electric oven

Here are the diagrams and repair parts for Official Roper B9458B3 electric 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.

Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 138 parts  |
Lamp Bulb 4338591
#7

Lit/optional diagram

Lamp bulb

Part #4338591

Replaced by #40A15

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Manufacturer substitution
This part replaces 4338591. Substitute parts can look different from the original.
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$15.39 | 
12% OFF Phone Price : $17.39
In Stock
Oven Rack 4335557
#54

Lit/optional diagram

Oven rack

Part #4335557

Replaced by #WB48T10094

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Manufacturer substitution
This part replaces 4335557. Substitute parts can look different from the original.
$29.58 | 
14% OFF Phone Price : $34.58
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Bake Element 4335541
#47

Lit/optional diagram

Bake element

Part #4335541

Replaced by #WB44M6

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Manufacturer substitution
This part replaces 4335541. Substitute parts can look different from the original.
$69.28 | 
7% OFF Phone Price : $74.28
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Screw-10-32x 4327611
#17

Upper door diagram

Screw-10-32x

Part #4327611

Replaced by #WB1X1130

?
Manufacturer substitution
This part replaces 4327611. Substitute parts can look different from the original.
$7.88 | 
11% OFF Phone Price : $8.88
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Screw 369 4331106
Screw 369

Part #4331106

Replaced by #WB1X1130

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Manufacturer substitution
This part replaces 4331106. Substitute parts can look different from the original.
$7.88 | 
11% OFF Phone Price : $8.88
In Stock
Washer 4323979
#33

Lit/optional diagram

Washer

Part #4323979

Replaced by #WB1X119D

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Manufacturer substitution
This part replaces 4323979. Substitute parts can look different from the original.
This item is not returnable
$22.85 | 
18% OFF Phone Price : $27.85
In Stock
Lens-ind Lig 4336632
#36

Control panel diagram

Lens-ind lig

Part #4336632

Replaced by #WB25T10042

?
Manufacturer substitution
This part replaces 4336632. Substitute parts can look different from the original.
This item is not returnable
$7.88 | 
11% OFF Phone Price : $8.88
In Stock
Oven Broiler Pan 4336602
#55

Lit/optional diagram

Oven broiler pan

Part #4336602

Replaced by #WB48X10056

?
Manufacturer substitution
This part replaces 4336602. Substitute parts can look different from the original.
$31.29 | 
14% OFF Phone Price : $36.29
In Stock
Grid Broiler Pan 4334897
#56

Lit/optional diagram

Grid broiler pan

Part #4334897

Replaced by #WB48X10056

?
Manufacturer substitution
This part replaces 4334897. Substitute parts can look different from the original.
$31.29 | 
14% OFF Phone Price : $36.29
In Stock
Parts List 4348426

#NI

All parts diagram

Parts list

Part #4348426

This item is not returnable
$2.16
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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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.…

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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.…

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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…

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