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Whirlpool
Wall Oven/Microwave Combo

Model # GSC278PJB4 Official Whirlpool electric built-in oven with microwave

Here are the diagrams and repair parts for Official Whirlpool GSC278PJB4 electric built-in oven with microwave, 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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ALL PARTS
Showing 10 of 237 parts  |
Microwave Door Interlock Switch 4375346
#51

Cabinet and stirrer diagram

Microwave door interlock switch

Part #4375346

Replaced by #W10211972

?
Manufacturer substitution
This part replaces 4375346. Substitute parts can look different from the original.
BEST SELLER
$31.80 | 
16% OFF Phone Price : $37.80
In Stock
Wall Oven Temperature Sensor 4455636
#29

Oven/literature diagram

Wall oven temperature sensor

Part #4455636

Replaced by #WPW10131825

?
Manufacturer substitution
This part replaces 4455636. Substitute parts can look different from the original.
BEST SELLER
$63.52 | 
9% OFF Phone Price : $69.52
In Stock
Bake Element 4452153
#7

Internal oven diagram

Bake element

Part #4452153

Replaced by #WPW10207397

?
Manufacturer substitution
This part replaces 4452153. Substitute parts can look different from the original.
BEST SELLER
$49.26 | 
11% OFF Phone Price : $55.26
In Stock
Magnetron 4375072
#26

Cabinet and stirrer diagram

Magnetron

Part #4375072

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

Appliance Touch-up Paint 72017
#NI

Top venting/optional diagram

Appliance touch-up paint

Part #72017

Replaced by #72017

?
Manufacturer substitution
This part replaces 72017. Substitute parts can look different from the original.
BEST SELLER
$8.29 | 
11% OFF Phone Price : $9.29
In Stock
Mounting Bracket 4375336
#42A

Cabinet and stirrer diagram

Mounting bracket

Part #4375336

Replaced by #W10727408

?
Manufacturer substitution
This part replaces 4375336. Substitute parts can look different from the original.
BEST SELLER
$88.84 | 
6% OFF Phone Price : $94.84
In Stock
Oven Mounting Bracket 4375335
#42

Cabinet and stirrer diagram

Oven mounting bracket

Part #4375335

Replaced by #W10727408

?
Manufacturer substitution
This part replaces 4375335. Substitute parts can look different from the original.
BEST SELLER
$88.84 | 
6% OFF Phone Price : $94.84
In Stock
Oven Baseless Lamp 4375348
#53

Cabinet and stirrer diagram

Oven baseless lamp

Part #4375348

Replaced by #WPW10440740

?
Manufacturer substitution
This part replaces 4375348. Substitute parts can look different from the original.
BEST SELLER
$22.69 | 
21% OFF Phone Price : $28.69
In Stock
Range High-limit Thermostat 4451442
#37

Oven/literature diagram

Range high-limit thermostat

Part #4451442

Replaced by #WP9759243

?
Manufacturer substitution
This part replaces 4451442. Substitute parts can look different from the original.
BEST SELLER
$45.89 | 
12% OFF Phone Price : $51.89
In Stock
Microwave High-voltage Capacitor 4375020
#25

Cabinet and stirrer diagram

Microwave high-voltage capacitor

Part #4375020

Replaced by #WP4375020

?
Manufacturer substitution
This part replaces 4375020. Substitute parts can look different from the original.
BEST SELLER
$108.39 | 
10% OFF Phone Price : $120.39
In Stock

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