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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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  • 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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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
$15.39 | 
12% OFF Phone Price : $17.39
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
$49.80 | 
50% OFF MSRP : $100.00
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 | 
69% OFF MSRP : $14.00
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
Insulation 240132

#NI

All parts diagram

Insulation

Part #240132

Replaced by #WPW10208653

?
Manufacturer substitution
This part replaces 240132. Substitute parts can look different from the original.
$37.65 | 
12% OFF Phone Price : $42.65
In Stock
Insulation 261514

#NI

All parts diagram

Insulation

Part #261514

Replaced by #WPW10208653

?
Manufacturer substitution
This part replaces 261514. Substitute parts can look different from the original.
$37.65 | 
12% OFF Phone Price : $42.65
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
Control Knob 310834
#47

Control diagram

Control knob

Part #310834

Replaced by #WP3150371

?
Manufacturer substitution
This part replaces 310834. Substitute parts can look different from the original.
This item is not returnable
$15.83 | 
11% OFF Phone Price : $17.83
In Stock
Oven Rack 308173
#61

Oven diagram

Oven rack

Part #308173

Replaced by #WP3185641

?
Manufacturer substitution
This part replaces 308173. Substitute parts can look different from the original.
$81.54 | 
6% OFF Phone Price : $86.54
In Stock
Screw 246132
Screw

Part #246132

Replaced by #WP965173

?
Manufacturer substitution
This part replaces 246132. Substitute parts can look different from the original.
This item is not returnable
$5.85
In Stock

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