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
White-Westinghouse
Microwave/Hood Combo

Model # KM777NXM Official White-Westinghouse microwave

Here are the diagrams and repair parts for Official White-Westinghouse KM777NXM 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 139 parts  |
White-westinghouse Thermostat 5303208822
#2

Transformer and magnetron parts diagram

White-westinghouse thermostat

Part #5303208822

$32.07
In Stock
White-westinghouse Nut 5303208732
#12

Transformer and magnetron parts diagram

White-westinghouse nut

Part #5303208732

This item is not returnable
$2.16
In Stock
White-westinghouse Blade 5303091526
#9

Power control diagram

White-westinghouse blade

Part #5303091526

This item is not returnable
$2.99
In Stock
White-westinghouse Transformer 5303210834
#10

Transformer and magnetron parts diagram

White-westinghouse transformer

Part #5303210834

$220.99
In Stock
Fuse 5303209174
#22

Power control diagram

Fuse

Part #5303209174

$11.28
In Stock
Screw 5303208704
Screw

Part #5303208704

This item is not returnable
$2.16
In Stock
White-westinghouse Transformer 5303210656
#7

Control panel diagram

White-westinghouse transformer

Part #5303210656

$62.87
In Stock
White-westinghouse Screw 5303209128
#3

Body and installation parts diagram

White-westinghouse screw

Part #5303209128

This item is not returnable
$2.16
In Stock
White-westinghouse Thermostat 5303210815
#15

Power control diagram

White-westinghouse thermostat

Part #5303210815

$38.26
In Stock
White-westinghouse Cover 5303210799
#16

Filter and ventilation fan assembly diagram

White-westinghouse cover

Part #5303210799

$9.49
In Stock

Symptoms for electric ranges

Should I replace a damaged glass cooktop?

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature ...

Read more

Why doesn't my electric range's surface element heat properly?

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri...

Read more

Repair guides for electric ranges

How to replace a range radiant surface element

How to replace a range radiant surface element

If the element on your glass cooktop isn't heating up even though it gets power, replace it yourself, in about 45 minute...

Read more
Repair difficulty
Time required
45 minutes or less
How to replace an electric range oven control board

How to replace an electric range oven control board

If the electronic oven control board isn't powering the bake and broil functions, you can replace it in less than half a...

Read more
Repair difficulty
Time required
15 minutes or less
How to replace a range coil surface element

How to replace a range coil surface element

Easily replace a coil surface element in 15 minutes or less by following these step-by-step instructions....

Read more
Repair difficulty
Time required
15 minutes or less

Effective articles & videos to help repair your microwave/hood combos

View all
5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home....

Read more
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

Parts & More