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Whirlpool
Wall Oven/Microwave Combo

Model # RM278PXK0 Official Whirlpool electric built-in oven with microwave

Here are the diagrams and repair parts for Official Whirlpool RM278PXK0 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 323 parts  |
Light Bulb 311255
Light bulb

Part #311255

Replaced by #40A15

?
Manufacturer substitution
This part replaces 311255. Substitute parts can look different from the original.
BEST SELLER
$14.40 | 
12% OFF Phone Price : $16.40
In Stock
Range Bake Element 308180
#26

Oven diagram

Range bake element

Part #308180

Replaced by #WP308180

?
Manufacturer substitution
This part replaces 308180. Substitute parts can look different from the original.
BEST SELLER
$44.81 | 
12% OFF Phone Price : $50.81
In Stock
Screw 253549
Screw

Part #253549

Replaced by #WP308685

?
Manufacturer substitution
This part replaces 253549. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.37 | 
19% OFF Phone Price : $5.37
In Stock
Push Nut 308593
#14A

Door and drawer diagram

Push nut

Part #308593

Replaced by #WP90296

?
Manufacturer substitution
This part replaces 308593. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.39 | 
19% OFF Phone Price : $5.39
In Stock
Adhesive 482338

#NI

All parts diagram

Adhesive

Part #482338

Replaced by #WP482338

?
Manufacturer substitution
This part replaces 482338. Substitute parts can look different from the original.
$31.27 | 
16% OFF Phone Price : $37.27
In Stock
Unit 311713
#27B

Oven diagram

Unit

Part #311713

Replaced by #WP660579

?
Manufacturer substitution
This part replaces 311713. Substitute parts can look different from the original.
$67.38 | 
8% OFF Phone Price : $73.38
In Stock
Unit 311714
#27A

Oven diagram

Unit

Part #311714

Replaced by #WP660579

?
Manufacturer substitution
This part replaces 311714. Substitute parts can look different from the original.
$67.38 | 
8% OFF Phone Price : $73.38
In Stock
Screw 338156
Screw

Part #338156

Replaced by #WP488627

?
Manufacturer substitution
This part replaces 338156. Substitute parts can look different from the original.
This item is not returnable
$7.49 | 
12% OFF Phone Price : $8.49
In Stock
Terminal Block 258076
#53

Oven diagram

Terminal block

Part #258076

Replaced by #WP8203546

?
Manufacturer substitution
This part replaces 258076. Substitute parts can look different from the original.
This item is not returnable
$16.75 | 
11% OFF Phone Price : $18.75
In Stock
Range Oven Door Spring 308126
#22

Oven diagram

Range oven door spring

Part #308126

Replaced by #WP308126

?
Manufacturer substitution
This part replaces 308126. Substitute parts can look different from the original.
$20.24 | 
23% OFF Phone Price : $26.24
In Stock

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