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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.

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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 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
$15.39 | 
12% OFF Phone Price : $17.39
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 | 
46% OFF MSRP : $28.00
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
$49.80 | 
50% OFF MSRP : $100.00
In Stock
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
Magnetron 660595
#26

Magnetron and air flow diagram

Magnetron

Part #660595

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

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
$16.49 | 
11% OFF Phone Price : $18.49
In Stock
Screw 3148107
Screw

Part #3148107

Replaced by #WP488729

?
Manufacturer substitution
This part replaces 3148107. 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
Screw 313638
Screw

Part #313638

Replaced by #WP488729

?
Manufacturer substitution
This part replaces 313638. 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
Touch-up Paint (black) 72032

#NI

All parts diagram

Touch-up paint (black)

Part #72032

Replaced by #72032

?
Manufacturer substitution
This part replaces 72032. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$9.02 | 
25% OFF MSRP : $12.00
In Stock
Light Bulb 313969
#33

Microwave door and latch diagram

Light bulb

Part #313969

Replaced by #WP3395618

?
Manufacturer substitution
This part replaces 313969. Substitute parts can look different from the original.
$30.75 | 
14% OFF Phone Price : $35.75
In Stock

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