Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
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.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 323 parts  |
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
Line Fuse 311167
#5

Magnetron and air flow diagram

Line fuse

Part #311167

Replaced by #WPW10017410

?
Manufacturer substitution
This part replaces 311167. Substitute parts can look different from the original.
This item is not returnable
$11.89 | 
14% OFF Phone Price : $13.89
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
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
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
$16.12 | 
11% OFF Phone Price : $18.12
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.
$38.42 | 
14% OFF Phone Price : $44.42
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.
$38.42 | 
14% OFF Phone Price : $44.42
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
Cable Tie 309330
Cable tie

Part #309330

Replaced by #WPW10339879

?
Manufacturer substitution
This part replaces 309330. Substitute parts can look different from the original.
This item is not returnable
$4.37 | 
19% OFF Phone Price : $5.37
In Stock
Range Screw 308544
#16A

Oven diagram

Range screw

Part #308544

Replaced by #WP308544

?
Manufacturer substitution
This part replaces 308544. Substitute parts can look different from the original.
This item is not returnable
$4.39 | 
19% OFF Phone Price : $5.39
In Stock

Parts & More