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 # RM278BXV4 Official Whirlpool electric built-in oven with microwave

Here are the diagrams and repair parts for Official Whirlpool RM278BXV4 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 273 parts  |
Light Bulb 311255
#29

Oven 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 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 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
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
Range Broil Element 660579
#27

Oven 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

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Symptoms for elliptical machines

Choose a symptom to see related elliptical repairs.

View all

Why does my elliptical make squeaking noises?

Main cause: lack of lubrication on pivot points...

Read more

Why does my elliptical display the wrong speed?

Main causes: faulty reed switch, reed switch needs adjustment, wiring failure, bad control console...

Read more

Why can't my elliptical detect my heart rate?

Main causes: dirty heart rate sensors, wiring failure, bad control console...

Read more

Why won't my elliptical's console turn on?

Main causes: dead batteries, power supply failure, bad wiring connections, faulty control console...

Read more

How do I tighten elliptical handle bars?

Main causes: loose fastening bolts, damaged handle bars...

Read more

Why is my elliptical's console display dim?

Main causes: weak batteries, loose wires, faulty control console...

Read more

Why does my elliptical rock?

Main causes: leveling feet need to be adjusted, loose frame bolts, unstable flooring...

Read more

Why won't my elliptical's pedal resistance change?

Main causes: bad resistance motor, faulty control console, wiring failure...

Read more

Repair guides for elliptical machines

These step-by-step repair guides will help you safely fix what’s broken on your elliptical.

View all
How to replace an elliptical resistance motor

How to replace an elliptical resistance motor

If the resistance motor is not changing the resistance on your elliptical, replace it using these steps....

Read more
Repair difficulty
Time required
15 minutes or less
How to adjust an elliptical reed switch

How to adjust an elliptical reed switch

If the console doesn't display the correct speed on your elliptical, adjust the reed switch using these steps....

Read more
Repair difficulty
Time required
15 minutes or less
How to replace an elliptical console

How to replace an elliptical console

If the console on your elliptical doesn't work, replace it by following these 3 easy steps....

Read more
Repair difficulty
Time required
15 minutes or less

Articles and videos for elliptical machines

Use the advice and tips in these articles and videos to get the most out of your elliptical.

View all
How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier....

Read more
Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect....

Read more
How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working...

Read more

Parts & More