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Roper
Electric Wall Oven

Model # B9458B4 Official Roper electric oven

Here are the diagrams and repair parts for Official Roper B9458B4 electric 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:

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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.

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 134 parts  |
Lamp Bulb 4338591
#7

Oven diagram

Lamp bulb

Part #4338591

Replaced by #40A15

?
Manufacturer substitution
This part replaces 4338591. Substitute parts can look different from the original.
BEST SELLER
$14.40 | 
12% OFF Phone Price : $16.40
In Stock
Oven Rack 4335557
#54

Oven diagram

Oven rack

Part #4335557

Replaced by #WB48T10094

?
Manufacturer substitution
This part replaces 4335557. Substitute parts can look different from the original.
$30.47 | 
16% OFF Phone Price : $36.47
In Stock
Washer 4323979
#33

Oven diagram

Washer

Part #4323979

Replaced by #WB1X119D

?
Manufacturer substitution
This part replaces 4323979. Substitute parts can look different from the original.
This item is not returnable
$22.85 | 
21% OFF Phone Price : $28.85
In Stock
Screw-10ab 4323379
#9

Oven diagram

Screw-10ab

Part #4323379

Replaced by #WB1X1137

?
Manufacturer substitution
This part replaces 4323379. Substitute parts can look different from the original.
$7.88 | 
11% OFF Phone Price : $8.88
In Stock
Oven Door Glass 4335508
Oven door glass

Part #4335508

Replaced by #WB36X779

?
Manufacturer substitution
This part replaces 4335508. Substitute parts can look different from the original.
$101.16 | 
11% OFF Phone Price : $113.16
In Stock
Terminal Flag 4325035
#76D

Oven diagram

Terminal flag

Part #4325035

This item is not returnable
$2.29
In Stock
Cabinet 4338046
#24

Control panel diagram

Cabinet

Part #4338046

$13.99
In Stock
Hndle-lock 4338045
#4

Door lock diagram

Hndle-lock

Part #4338045

This item is not returnable
$4.49
In Stock
Installation Guide 4348175

#NI

All parts diagram

Installation guide

Part #4348175

This item is not returnable
$2.16
In Stock
Faston Term 4325036
#76E

Oven diagram

Faston term

Part #4325036

This item is not returnable
$2.29
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…

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.

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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

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