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Dp840cwdbo 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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Dishwasher Water Level Float
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8519552

Fix dishwasher overflows or won't fill issues. This water level float detects proper fill levels. Replaces broken or stuck floats causing drainage problems.

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$55.30
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Dishwasher Split Ring Seal
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3369045

Split-ring seal secures door or panel gaskets to prevent water and air leaks in your dishwasher. Replace when worn, cracked, or leaking. Confirm fit with your model number before ordering.

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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$9.10
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Dishwasher Door Seal Retainer Channel - Gray
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3374716

This is a gray plastic or metal channel that holds the door gasket in place along the edge of the dishwasher door or tub. It keeps the seal properly seated so the door closes tightly and prevents water from leaking out during wash cycles. Replace this retainer if the door gasket keeps slipping out of position or if you notice water leaking around the door.

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$54.25
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Dishwasher Spray Tower Protector Cover
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8268825

Plastic cover that shields the dishwasher spray tower. Replace if cracked, broken, or missing to prevent dishes from blocking the tower's spray outlets.

Do-It-Yourself Stories from Customers like You Some little things broken   John L. • Lawrence , KS • October 01, 2017

Put the new parts in I purchased from appliance parts pros, good as new. I used my pocket knife as the only tool. Read more

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Cam (Rotary Cam)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8271510

This replacement cam converts rotational motion into the precise movement needed by the appliance's linkage or latch assembly, restoring proper mechanical timing and part engagement. Use this cam to replace a worn, broken, or stripped cam and help return reliable operation. What it does

  • Transfers motor or shaft rotation into controlled push/pull motion for linkages or latches
  • Restores correct timing and movement when a plastic cam is cracked, worn, or slipping
  • Helps resolve symptoms like intermittent or failed door/latch action, noisy operation, or improper cycle sequencing
  • Works as a like-for-like mechanical replacement when the OEM cam has failed
What's included
  • One replacement cam (single piece only)
Install notes
  • Disconnect power (and water supply if applicable) before beginning any repair
  • Inspect mating shafts, linkages, and fasteners; replace any damaged hardware to prevent repeat failure

Do-It-Yourself Stories from Customers like You Continuous operation water not heating   Terence C. • Columbia , SC • March 06, 2022

Noticed timer sticking during water heating parts of the cycle. Thermal safety fuse opened. Replaced timer, cam, heater and thermal fuse. Timer continues to the end of the cycle as designed. Read more

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Dishwasher Collector Seal
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3369177

Molded seal that contains and directs water away from sensitive components in your dishwasher. Replace if worn, cracked, or leaking. Verify fit with your model number.

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$9.78
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Primer
Genuine Whirlpool part
By: Whirlpool
Part Number: 350942

Color: White. Size: 13 oz. Spray paint primer. can.

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$63.65
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Caster And Socket (Wheel Assembly)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3370639

This replacement caster and socket assembly restores smooth rolling and stable support for the appliance cabinet. Use it to replace a worn or damaged wheel and mounting socket so the appliance moves easily and sits level. What it does:

  • Provides a rolling wheel and mounting socket to support appliance movement and weight.
  • Replaces cracked, seized, or worn casters that cause dragging, sticking, or uneven motion.
  • Helps reduce noise and cabinet scuffs from a damaged or loose wheel.
  • Restores proper alignment when the appliance tilts or does not roll smoothly.
What's included: One caster and socket assembly. Install notes:
  • Disconnect power and water and move the appliance to a safe, stable work area before starting.
  • Support the appliance to prevent tipping when removing/installing the caster.
  • Remove any trim or mounting hardware covering the caster; match orientation and fasteners when installing the replacement.
  • After installation, verify the appliance rolls smoothly and sits level; tighten fasteners as needed.

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$26.23
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Dishwasher Lower Dishrack Wheel
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3376961

Replacement lower dishrack wheel for dishwashers. Installs on the bottom rack to enable smooth rolling. Replace if wheel is cracked, broken, or worn.

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$52.68
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Dishwasher Transport Wheel Caster
Genuine Whirlpool part
By: Whirlpool
Part Number: WP302819

This is a small rolling caster wheel designed to support and allow easy movement of the appliance during installation or repositioning. It mounts to the underside of the unit to enable smooth transport across floors. Replace this wheel if it is broken, seized, or missing, which can make the appliance difficult to move and may cause floor damage.

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$7.35
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Follower
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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Washer Dryer Sheet Metal Screw
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3373329

Sheet metal screw secures panels, brackets, and trim on washers, dryers, and laundry appliances. Replace when stripped, missing, or rusted during repair.

Do-It-Yourself Stories from Customers like You Door latch was broken and prevented the door from staying closed   Larry M. • Fayetteville , GA • November 29, 2018

I found the model # of my Maytag dryer and ordered a new door latch. My item arrived very quickly and I replaced the old latch with the new one. Very simple fix. Loosen up a few screws and the job was done 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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$9.17
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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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$9.28
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Dishwasher Lower Wash Arm Support And Bearing Assembly
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3371745

This support and bearing assembly mounts inside the dishwasher tub and holds the lower wash arm in place, allowing it to spin freely during the wash cycle. It typically includes a bearing, support hub, and seal. Replace this assembly if the lower wash arm wobbles, doesn't spin properly, or if dishes on the bottom rack are not getting clean.

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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$46.74
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$55.62
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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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$49.51
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$58.92
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  • Over 2.1 Million Parts In Stock Over 2.1 Million Parts In Stock
  • 2 Day Quick Delivery! 2 Day Quick Delivery!
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  • Repair ForumFree Tech Support!
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