Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
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 # RM278BXV1 Official Whirlpool electric built-in oven with microwave

Here are the diagrams and repair parts for Official Whirlpool RM278BXV1 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 262 parts  |
Light Bulb 311255
#29

Oven chassis diagram

Light bulb

Part #311255

Replaced by #40A15

?
Manufacturer substitution
This part replaces 311255. Substitute parts can look different from the original.
BEST SELLER
$15.16 | 
12% OFF Phone Price : $17.16
In Stock
Adhesive 307576
Adhesive

Part #307576

Replaced by #W10841140

?
Manufacturer substitution
This part replaces 307576. Substitute parts can look different from the original.
BEST SELLER
$14.99 | 
12% OFF Phone Price : $16.99
In Stock
Bake Element 661170
#26

Oven chassis diagram

Bake element

Part #661170

Replaced by #WP308180

?
Manufacturer substitution
This part replaces 661170. Substitute parts can look different from the original.
BEST SELLER
$41.44 | 
13% OFF Phone Price : $47.44
In Stock
Magnetron 660595
#26

Magnetron and air flow diagram

Magnetron

Part #660595

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

Appliance Touch-up Paint 72017

#NI

All parts 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
Spray W 350930

#NI

All parts diagram

Spray w

Part #350930

Replaced by #350930

?
Manufacturer substitution
This part replaces 350930. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$15.69 | 
11% OFF Phone Price : $17.69
In Stock
Touchup Al 72107

#NI

All parts diagram

Touchup al

Part #72107

Replaced by #WB32X106

?
Manufacturer substitution
This part replaces 72107. Substitute parts can look different from the original.
BEST SELLER
$13.87 | 
13% OFF Phone Price : $15.87
In Stock
Screw 690989
#39A

Oven chassis diagram

Screw

Part #690989

Replaced by #WP681414

?
Manufacturer substitution
This part replaces 690989. 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
Range Broil Element 660579
#27

Oven chassis diagram

Range broil element

Part #660579

Replaced by #WP660579

?
Manufacturer substitution
This part replaces 660579. Substitute parts can look different from the original.
$67.38 | 
8% OFF Phone Price : $73.38
In Stock
Range Burner Control Knob 3150371
#9

Control panel diagram

Range burner control knob

Part #3150371

Replaced by #WP3150371

?
Manufacturer substitution
This part replaces 3150371. Substitute parts can look different from the original.
This item is not returnable
$16.12 | 
11% OFF Phone Price : $18.12
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Parts & More