Whirlpool
Microwave/Hood Combo

Model # WMH73521CB0 Official Whirlpool microwave

Here are the diagrams and repair parts for Official Whirlpool WMH73521CB0 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 130 parts  |

Lamp Assembly 4393681
#4

Air flow parts diagram

Lamp assembly

Part #4393681

Replaced by #8206232A

?
Manufacturer substitution
This part replaces 4393681. Substitute parts can look different from the original.
BEST SELLER
$9.30
42% OFF MSRP : $16.00
Back Order
Microwave/hood Light Bulb 8206232
#2

Interior and ventilation parts diagram

Microwave/hood light bulb

Part #8206232

Replaced by #8206232A

?
Manufacturer substitution
This part replaces 8206232. Substitute parts can look different from the original.
BEST SELLER
$9.30
42% OFF MSRP : $16.00
Back Order
Microwave Door Switch W10269457
#8

Interior and ventilation parts diagram

Microwave door switch

Part #W10269457

Replaced by #W10727360

?
Manufacturer substitution
This part replaces W10269457. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.36
71% OFF MSRP : $15.00
In Stock
Interlock W10156813
#12A

Interior and ventilation parts diagram

Interlock

Part #W10156813

Replaced by #WPW10156813

?
Manufacturer substitution
This part replaces W10156813. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.99
53% OFF MSRP : $15.00
In Stock
Microwave Door Interlock Support, Upper 8206419
#12

Interior and ventilation parts diagram

Microwave door interlock support, upper

Part #8206419

BEST SELLER
In Stock
Microwave Door Interlock Spring W10156812
#10

Interior and ventilation parts diagram

Microwave door interlock spring

Part #W10156812

BEST SELLER
$7.73
59% OFF MSRP : $19.00
In Stock
Filter 8206230
#8

Air flow parts diagram

Filter

Part #8206230

Replaced by #8206230A

?
Manufacturer substitution
This part replaces 8206230. Substitute parts can look different from the original.
BEST SELLER
$11.14
15% OFF Phone Price : $13.14
In Stock
Magnetron W10626122
#18

Air flow parts diagram

Magnetron

Part #W10626122

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

Microwave Door Interlock Switch (replaces 8206352) W10211974
#19

Interior and ventilation parts diagram

Microwave door interlock switch (replaces 8206352)

Part #W10211974

BEST SELLER
$30.18
40% OFF MSRP : $50.00
In Stock
Turntable Motor W10466420
#7

Turntable parts diagram

Turntable motor

Part #W10466420

Replaced by #WPW10466420

?
Manufacturer substitution
This part replaces W10466420. Substitute parts can look different from the original.
$31.11
37% OFF MSRP : $49.00
In Stock

Symptoms for gas ranges

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a range spark module

How to replace a range spark module

Follow these step-by-step instructions to put the fire back into the surface burners on your gas range by replacing the …

Repair difficulty
Time required
 30 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Repair difficulty
Time required
 60 minutes or less

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

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.…

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.…

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.…