Skip to Content
  • 2 Day Quick Delivery! 2 Day Quick Delivery!
  • 365 Day Return Policy! 365 Day Return Policy!
  • 15 million satisfied customers 15 million satisfied customers
  • Over 2.1 Million Parts In Stock Over 2.1 Million Parts In Stock
  • Repair ForumFree Tech Support!
  • Google Trusted Store Google Trusted Store

Khms2040wss-1 Parts

Microwave Light Housing
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10210878

Secures and protects your microwave's interior lamp assembly. Replace if cracked or heat-damaged to restore stable bulb fit and lighting. Confirm compatibility.

More
$22.95
Compare At:
$27.31
You Save:
$4.36

IN STOCK
Ships Today Guaranteed
Add to Cart
Microwave Power Cord
Genuine Whirlpool part
By: Whirlpool
Part Number: W10708076

Power cord connects your microwave to the wall outlet. Replace if damaged, frayed, chewed, or cut. Attaches to internal wiring with wire connectors.

Do-It-Yourself Stories from Customers like You Broken grill vent & cut power cord on microwave   Karl B. • Goshen , KY • April 24, 2019

The grill vent is only held in place by two screws. Super simple fix. Remove the two screws and the old grill vent, position the new vent and put the two screws back in. Replacing the cord required that cabinet to be removed. Lots of screws on the back, top and bottom. Once the screws were removed, the cabinet pulled back. The power cord connections were then clearly visible. Undid the two wire connectors and unscrewed the ground wire from the body to remove the old power cable. Installed the... Read more

More
$14.71
Compare At:
$17.65
You Save:
$2.94

IN STOCK
Ships Today Guaranteed
Add to Cart
Microwave Mounting Screw
Genuine Whirlpool part
By: Whirlpool
Part Number: W10138802

Replacement screw for microwaves. Secures door hinges, panels, brackets, and internal components. Use when original fastener is missing, stripped, or lost.

Do-It-Yourself Stories from Customers like You Needed new microwave door   Patricia C. • Lincoln , NE • September 16, 2014

Attached new door after missing screw was sent to me Read more

More
$10.66
Compare At:
$11.73
You Save:
$1.07

IN STOCK
Ships Today Guaranteed
Add to Cart
Microwave Vent Grill Mounting Bracket
Genuine Whirlpool part
By: Whirlpool
Part Number: W11026306

Chrome mounting bracket that attaches the vent grill to your microwave. Replace broken, cracked, or missing brackets to securely hold the grill in place.

Do-It-Yourself Stories from Customers like You The plastic mounting brackets where broke.   William E. • Clifton , TX • September 12, 2022

They were put into place and screwed in Read more

More
$8.22
Compare At:
$9.04
You Save:
$0.82

IN STOCK
Ships Today Guaranteed
Add to Cart
Microwave Oven Light Lamp Cover Lens
Genuine Whirlpool part
By: Whirlpool
Part Number: 8206382

Replacement lamp cover lens for microwave ovens. Protects and diffuses interior light. Replace if cracked, discolored, or missing to restore lighting.

More
$13.24
Compare At:
$14.56
You Save:
$1.32

IN STOCK
Ships Today Guaranteed
Add to Cart
Microwave Noise Filter Board
Genuine Whirlpool part
By: Whirlpool
Part Number: W10422269

This is an electronic filter board that suppresses electrical noise generated by the microwave, preventing interference with other household electronics. It is typically mounted near the power cord connection inside the microwave's cabinet. Replace this part if the microwave causes static on nearby radios or TVs, trips breakers, or fails to power on at all.

More
$23.95
Compare At:
$28.50
You Save:
$4.55

IN STOCK
Ships Today Guaranteed
Add to Cart
Microwave Mounting Bracket
Genuine Whirlpool part
By: Whirlpool
Part Number: W10703282

Secures internal components to the microwave cabinet. Replaces broken or worn brackets that cause vibration, rattling, or misaligned panels.

Do-It-Yourself Stories from Customers like You The plastic mounting brackets where broke.   William E. • Clifton , TX • September 12, 2022

They were put into place and screwed in Read more

More
$11.78
Compare At:
$12.96
You Save:
$1.18

IN STOCK
Ships Today Guaranteed
Add to Cart
Microwave Wire Clip Support
Genuine Whirlpool part
By: Whirlpool
Part Number: 8206385

Molded wire clip that secures wiring and harnesses to the microwave cabinet. Replace if broken, cracked, or missing to prevent wire rubbing and chafing.

More
$25.52
Compare At:
$30.11
You Save:
$4.59

IN STOCK
Ships Today Guaranteed
Add to Cart
Microwave Magnetron Thermostat
Genuine Whirlpool part
By: Whirlpool
Part Number: W10598693

Microwave not heating but all other functions work? This magnetron thermostat protects against overheating. Easy DIY repair in under an hour.

Do-It-Yourself Stories from Customers like You Microwave wouldn't heat when you took item out after beep it was still cold! all other functions were fine   Jerad S. • Salem , IA • January 03, 2015

Removed unit from wall and took outer shell off, de-energized capacitor and then took a multi-meter and tested all the High voltage parts and magnetron. They tested out fine other than the diode and then I looked at the "Safety" circuit if you will the power loop that goes through door switches and thermostats to energize the High Voltage transformer and magnetron. Turns out the thermostat that is on the side of the magnetron wasn't closed, so I took a butane torch and heated it up past the... Read more

More
$47.41
Compare At:
$56.89
You Save:
$9.48

IN STOCK
Ships Today Guaranteed
Add to Cart
Microwave Thermistor
Genuine Whirlpool part
By: Whirlpool
Part Number: W10163422

This thermistor measures temperature changes inside your microwave to control cooking functions and safety systems. It sends temperature readings to the control board to adjust power levels and cooking times. Replace this part if your microwave doesn't heat properly, overheats, or sensor cooking features don't work correctly.

More
$74.95
Compare At:
$89.19
You Save:
$14.24

IN STOCK
Ships Today Guaranteed
Add to Cart
Sensor
Genuine Whirlpool part
By: Whirlpool
Part Number: W10245178

 

More
$91.95
Compare At:
$108.50
You Save:
$16.55

IN STOCK
Ships Today Guaranteed
Add to Cart
Capactr-Dm
Genuine Whirlpool part
By: Whirlpool
Part Number: W11405831

 

More
$28.95
Compare At:
$34.05
You Save:
$5.10

IN STOCK
Ships Today Guaranteed
Add to Cart
Microwave Cabinet Wrapper
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10245176

Outer cabinet wrapper panel for microwave ovens. Encloses internal components and provides structural support. Replace if cracked, dented, or damaged.

More
$116.66
Compare At:
$138.83
You Save:
$22.17

IN STOCK
Ships Today Guaranteed
Add to Cart
Microwave Mounting Plate
Genuine Whirlpool part
By: Whirlpool
Part Number: W11381953

Secures internal microwave components for quiet operation and proper alignment. Replace if bent, damaged, or causing rattling to restore stable fit.

More
$44.24
Compare At:
$52.20
You Save:
$7.96

IN STOCK
Ships Today Guaranteed
Add to Cart
Microwave Wire Harness
Genuine Whirlpool part
By: Whirlpool
Part Number: W10539840

Wire harness for microwaves and microwave/hood combos. Replaces damaged, frayed, or disconnected wiring assemblies. Essential for restoring connections.

More
$16.62
Compare At:
$19.78
You Save:
$3.16

IN STOCK
Ships Today Guaranteed
Add to Cart
Microwave Fixed Thermostat
Genuine Whirlpool part
By: Whirlpool
Part Number: W10864742

If your microwave overheats or the vent fan runs constantly, this fixed thermostat may need replacement. Controls heating and safety shutoff.

More
$53.21
Compare At:
$63.32
You Save:
$10.11

IN STOCK
Ships Today Guaranteed
Add to Cart
  • Over 2.1 Million Parts In Stock Over 2.1 Million Parts In Stock
  • 2 Day Quick Delivery! 2 Day Quick Delivery!
  • 365 Day Return Policy! 365 Day Return Policy!
  • Repair ForumFree Tech Support!
  • Google Trusted Store Google Trusted Store