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Whirlpool
Electric Range

Model # RM778PXT3 Official Whirlpool electric range

Here are the diagrams and repair parts for Official Whirlpool RM778PXT3 electric range, 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:

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  • 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”.

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

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 245 parts  |
Light Bulb 816389
#4

Lower oven diagram

Light bulb

Part #816389

Replaced by #40A15

?
Manufacturer substitution
This part replaces 816389. Substitute parts can look different from the original.
BEST SELLER
$14.40 | 
12% OFF Phone Price : $16.40
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

Screw 313638
#1A

Cabinet and stirrer diagram

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
Range Screw 308685
Range screw

Part #308685

Replaced by #WP308685

?
Manufacturer substitution
This part replaces 308685. 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
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 | 
10% OFF Phone Price : $10.02
In Stock
Fuse 309796
#22

Magnetron and air flow diagram

Fuse

Part #309796

Replaced by #WPW10017410

?
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
In Stock
Light Bulb 313969
#5

Cabinet and hinge diagram

Light bulb

Part #313969

Replaced by #WP3395618

?
Manufacturer substitution
This part replaces 313969. Substitute parts can look different from the original.
$32.51 | 
16% OFF Phone Price : $38.51
In Stock
Control Knob 310834
#38

Control panel and latch 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

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