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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RM278BXV4 Electric Built-In Oven with Microwave
Light Bulb 311255
#29

Oven diagram

Light bulb

Part #311255

Replaced by #40A15

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Manufacturer substitution
This part replaces 311255. Substitute parts can look different from the original.
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$16.73
11% OFF Phone Price : $18.73
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Adhesive 307576
Adhesive

Part #307576

Replaced by #W10841140

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Manufacturer substitution
This part replaces 307576. Substitute parts can look different from the original.
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$14.99
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In Stock
Bake Element 661170
#26

Oven diagram

Bake element

Part #661170

Replaced by #WP308180

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Manufacturer substitution
This part replaces 661170. Substitute parts can look different from the original.
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$43.50
12% OFF Phone Price : $49.50
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

Spray W 350930

#NI

All parts diagram

Spray w

Part #350930

Replaced by #350930

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Manufacturer substitution
This part replaces 350930. Substitute parts can look different from the original.
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This item is not returnable
$15.69
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Touchup Al 72107

#NI

All parts diagram

Touchup al

Part #72107

Replaced by #WB32X106

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Manufacturer substitution
This part replaces 72107. Substitute parts can look different from the original.
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$19.42
9% OFF Phone Price : $21.42
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Screw 690989
#39A

Oven diagram

Screw

Part #690989

Replaced by #WP681414

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Manufacturer substitution
This part replaces 690989. Substitute parts can look different from the original.
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$4.39
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Touch-up Paint (black) 72032

#NI

All parts diagram

Touch-up paint (black)

Part #72032

Replaced by #72032

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Manufacturer substitution
This part replaces 72032. Substitute parts can look different from the original.
This item is not returnable
$9.02
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Fuse 309796
#22

Magnetron and air flow diagram

Fuse

Part #309796

Replaced by #WPW10017410

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Manufacturer substitution
This part replaces 309796. Substitute parts can look different from the original.
This item is not returnable
$11.89
14% OFF Phone Price : $13.89
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Range Burner Control Knob 3150371
#9

Control panel diagram

Range burner control knob

Part #3150371

Replaced by #WP3150371

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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
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Repair difficulty
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