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Du840cwda3 Parts

Some parts shown may not be for your model. To see parts for your model only, select it from "Matching Model Numbers" list on the left.

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Genuine Whirlpool part
By: Whirlpool
Part Number: WP3369529

 

Do-It-Yourself Stories from Customers like You The soap door wouldn't open   Steven P. • Columbus , OH • April 27, 2015

I replaced the part and had the dishwasher up and running in about 20 minutes. Read more

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$51.35
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Dishwasher Dishrack Track Stop Clip
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3379941

This small plastic clip prevents your dishwasher's upper dish rack from sliding too far forward when pulled out. It stops the rack at the proper position to prevent it from falling out completely. Replace this clip if your upper rack slides out too far or falls off its tracks when loaded with dishes.

Do-It-Yourself Stories from Customers like You The upper spray arm broke off and one of the track stops broke.   Allen T. • Kalamazoo , MI • November 24, 2018

I replaced the parts. The video on the website was great. I'm glad I was able to find repair parts for such an old dishwasher. I'm squeezing as much life out of this unit as possible. Thanks. Read more

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Dishwasher Mounting Screw
Genuine Whirlpool part
By: Whirlpool
Part Number: 3368922

Replacement mounting screw for dishwashers. Secures panels, brackets, and internal components. Order a new screw if yours is stripped, missing, or damaged.

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$4.50
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Dishwasher Check Ball
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3369178

Fix dishwasher drainage issues or water not filling properly with this check ball. Simple repair that prevents backflow and ensures proper water flow.

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Support Bearing Assembly (Rear Drum Support), 1 Count
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3371745

This support bearing assembly stabilizes the dryer drum and helps it spin smoothly to improve tumbling and reduce noise. Designed to replace a worn or noisy rear drum support for compatible Whirlpool dryers. What it does:

  • Supports the rear of the dryer drum so it rotates evenly
  • Reduces squeaks, grinding, and wobbling caused by worn bearings
  • Helps maintain proper drum alignment to prevent uneven wear
  • Works with the drum shaft to keep tumbling smooth during operation
What's included:
  • One support bearing assembly
Install notes:
  • Disconnect power before beginning any repair to avoid electrical shock
  • Access may require removing the dryer rear panel and drum; follow manufacturer service instructions
  • Inspect adjacent components and replace if excessively worn
  • Tighten fasteners to manufacturer torque specs and test operation after reassembly

Do-It-Yourself Stories from Customers like You Water not completely emptying out of the tub.   Everett S. • Visalia , CA • March 03, 2023

Noted damaged gasket seal and support during water removal. Cleaned all pumps, filter, and screens. Changed air gap device. Replaced parts that were ordered. Used 1 cup of vinegar and baking soda to clean rest of dishwasher drainage system. When I started the unit, it ran much quieter due the new parts replacement. The other tool required for repair was a T25 Torx screwdriver, which was required on the Support Bearing Assembly. Read more

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Dishwasher Dishrack Bumper
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3385142

Protective rubber bumper for dishwasher dishrack. Installs on the outer front edge of the lower rack. Replace if cracked, broken, or missing.

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Screw
Genuine Whirlpool part
By: Whirlpool
Part Number: WP488234

Size: 8-32 x 1/4 inch.

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Screw
Genuine Whirlpool part
By: Whirlpool
Part Number: WP250830

Size: 8-32 x 1/2 inch.

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Dishwasher Wire Harness Elbow Connector
Genuine Whirlpool part
By: Whirlpool
Part Number: 3376405

Wire harness elbow connector for dishwashers. Replaces damaged, cracked, or broken electrical connectors that route power between components.

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Dishrack
Genuine Whirlpool part
By: Whirlpool
Part Number: W11752368

This dishrack replaces a damaged, rusted, or warped rack to restore smooth loading and secure support for dishes. A solid rack keeps items upright for better spray coverage, cleaner results, and helps prevent rust transfer and chipping.

  • Holds and organizes plates, bowls, and cookware for proper spacing and spray access
  • Provides stable support to reduce tipping and breakage during wash cycles
  • Replaces racks with rust, broken wires, or bent/missing tines
  • Can help resolve issues like rust marks on dishes and loading difficulties
What's included: 1 dishrack Install notes:
  • Disconnect power at the breaker before servicing
  • Open the door; slide the old rack out—on some models, release rack stops to remove
  • Transfer any reusable accessories from the old rack to the new rack if applicable
  • Wear cut-resistant gloves; set the new rack on the rails and verify smooth movement and proper door closure

Do-It-Yourself Stories from Customers like You Dish racks disintegrating tines breaking off & coating was coming off   Lorie D. • Midland , TX • January 12, 2026

Ordered new ones & replaced them. Read more

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Dishwasher Soil Settler Grate
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3369322

Bottom grate that captures heavy soils and debris in the dishwasher tub. Replace if cracked, broken, or missing to restore proper filtration.

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Dishwasher Motor Pump Mounting Disk
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3369012

Secures and aligns the motor pump assembly in your dishwasher. Replace if cracked, broken, or damaged during seal repair to restore proper fit.

Do-It-Yourself Stories from Customers like You Leaking water at the motor shaft seal   Robert F. • Butler , PA • June 05, 2015

Replaced the seal along with the impeller seal kit, it went very well thanx to your very helpful video and timely service Read more

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Bearing (Single)
Genuine Whirlpool part
By: Whirlpool
Part Number: 3371746

This bearing helps the appliance's rotating assembly turn smoothly and reduces metal-on-metal wear for quieter, more reliable operation. Replace a worn bearing to address noise and movement issues that affect performance. What it does:

  • Supports the drum or tub shaft so it rotates with minimal friction
  • Reduces grinding, rumbling, or squeaking noises from the rotating assembly
  • Helps prevent excessive wobble or vibration during spin cycles
  • Limits metal wear that can lead to leaks or further component damage
What's included: One bearing (quantity: 1) Install notes:
  • Disconnect power and water before starting work
  • Inspect surrounding seals, shafts, and mounting surfaces for wear while replacing the bearing
  • Use correct tools and replacement hardware; follow OEM instructions for torque and alignment

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Appliance Mounting Screw
Genuine Frigidaire part
By: Frigidaire
Part Number: 636T091P05

Replacement mounting screw for securing panels, brackets, and components to your appliance chassis. Needed when original screws are stripped or missing.

Do-It-Yourself Stories from Customers like You My maytag is getting old   Woody H. • Purcell , OK • November 27, 2017

I ordered extra parts because they were on sale. I also picked up the heating element and thermal Fuse too. The actual problem was the Cycling thermostat opened up on us. It was an easy fix. Its great that you have repair videos on your site. Read more

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Power Supply Cover
Genuine Whirlpool part
By: Whirlpool
Part Number: 300068

 

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Dishwasher Heater Support Bracket
Genuine Whirlpool part
By: Whirlpool
Part Number: 3379740

Secures the heater assembly in place to maintain proper alignment and stability. Replace if your bracket is cracked, broken, or missing to restore support.

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$39.95
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