Can’t find your part?   Contact us:+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Samsung
Microwave/Hood Combo

Model # SMH7178STD/XAA Official Samsung microwave

Here are the diagrams and repair parts for Official Samsung SMH7178STD-XAA 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.

Owner’s manual

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 88 parts  |
Microwave High-voltage Diode (replaces De91-70063a, De91-70063b, De91-70063e) DE91-70063D
#20

Internal control/latch asy/base diagram

Microwave high-voltage diode (replaces de91-70063a, de91-70063b, de91-70063e)

Part #DE91-70063D

BEST SELLER
$15.79 | 
11% OFF Phone Price : $17.79
In Stock
Microwave Door Interlock Switch (replaces 3405-000178) 3405-001034
Microwave door interlock switch (replaces 3405-000178)

Part #3405-001034

BEST SELLER
$16.93 | 
11% OFF Phone Price : $18.93
In Stock
Microwave Door Latch DE64-00760A
#5

Control panel/door assembly diagram

Microwave door latch

Part #DE64-00760A

BEST SELLER
This item is not returnable
$15.53 | 
11% OFF Phone Price : $17.53
In Stock
Microwave Door Micro-switch 3405-001033
#6

Internal control/latch asy/base diagram

Microwave door micro-switch

Part #3405-001033

BEST SELLER
$13.42 | 
13% OFF Phone Price : $15.42
In Stock
Microwave High-voltage Capacitor (replaces 2501-000258) 2501-001011
#19

Internal control/latch asy/base diagram

Microwave high-voltage capacitor (replaces 2501-000258)

Part #2501-001011

BEST SELLER
$55.81 | 
8% OFF Phone Price : $60.81
In Stock
Range Thermal Cut-off (replaces De47-20117a) DE47-20034A
#10

Internal control/latch asy/base diagram

Range thermal cut-off (replaces de47-20117a)

Part #DE47-20034A

BEST SELLER
$18.56 | 
10% OFF Phone Price : $20.56
In Stock
Charcoal Filter DE63-30016D
#13

Body/cavity/elements diagram

Charcoal filter

Part #DE63-30016D

Replaced by #DE63-30016G

?
Manufacturer substitution
This part replaces DE63-30016D. Substitute parts can look different from the original.
BEST SELLER
$50.05 | 
9% OFF Phone Price : $55.05
In Stock
Thermostat DE47-20007A
#16

Internal control/latch asy/base diagram

Thermostat

Part #DE47-20007A

Replaced by #DE47-20007B

?
Manufacturer substitution
This part replaces DE47-20007A. Substitute parts can look different from the original.
BEST SELLER
$14.09 | 
12% OFF Phone Price : $16.09
In Stock
Microwave Grease Filter (replaces De63-00196b) DE63-00196A
#11

Body/cavity/elements diagram

Microwave grease filter (replaces de63-00196b)

Part #DE63-00196A

BEST SELLER
$21.83 | 
19% OFF Phone Price : $26.83
In Stock
Microwave Humidity Sensor (replaces De32-60013a) DE32-60011A
#10

Body/cavity/elements diagram

Microwave humidity sensor (replaces de32-60013a)

Part #DE32-60011A

BEST SELLER
$77.48 | 
6% OFF Phone Price : $82.48
In Stock

Repair guides for side-by-side refrigerators

How to replace a refrigerator thermistor

How to replace a refrigerator thermistor

The thermistor senses the temperature inside the refrigerator. If the actual temperature and the temperature you set are…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a dispenser core control board in a side-by-side refrigerator

How to replace a dispenser core control board in a side-by-side refrigerator

If your refrigerator dispenses ice or water even when the door is open, replace the dispenser core control board—it take…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace an ice maker in a side-by-side refrigerator

How to replace an ice maker in a side-by-side refrigerator

Learn how to replace the ice maker in a side-by-side refrigerator with these step-by-step instructions.…

Read more
Repair difficulty
Time required
 30 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