Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

Whirlpool DU1055XTSD3 dishwasher Parts

Here are the diagrams and repair parts for Whirlpool DU1055XTSD3 dishwasher, as well as links to manuals and error code tables, if available.

Whirlpool DU1055XTSD3 dishwasher
By Schematic
By Part
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for DU1055XTSD3 Dishwasher

  • Dishwasher Screw for Whirlpool DU1055XTSD3 - Part W10817436

    Tub and frame parts diagram

    Screw

    Part #8533836

    Replaced by #W10817436

    Info Icon
    Manufacturer substitution
    This part replaces 8533836. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.69
    15% OFF Phone Price : $6.69Info Icon
    Minus Item
    Qty
    Plus Item
  • Dishwasher Dishrack Vinyl Touch-up Paint, 4-oz (gray) for Whirlpool DU1055XTSD3 - Part WP676455

    Lower rack parts, optional parts (not included) diagram

    Dishwasher Dishrack Vinyl Touch-up Paint (gray)

    Part #676455

    Replaced by #WP676455

    Info Icon
    Manufacturer substitution
    This part replaces 676455. Substitute parts can look different from the original.
    In Stock
    $30.76
    16% OFF Phone Price : $36.76Info Icon
    Minus Item
    Qty
    Plus Item
  • Dishwasher Run Capacitor for Whirlpool DU1055XTSD3 - Part WPW10334457

    Pump and motor parts diagram

    Capacitor

    Part #8269507

    Replaced by #WPW10334457

    Info Icon
    Manufacturer substitution
    This part replaces 8269507. Substitute parts can look different from the original.
    In Stock
    $103.35
    10% OFF Phone Price : $115.35Info Icon
    Minus Item
    Qty
    Plus Item
  • Dishwasher Sump Tab for Whirlpool DU1055XTSD3 - Part WPW10300599

    Pump and motor parts diagram

    Dishwasher Sump Tab

    Part #8269524

    Replaced by #WPW10300599

    Info Icon
    Manufacturer substitution
    This part replaces 8269524. Substitute parts can look different from the original.
    In Stock
    $50.91
    11% OFF Phone Price : $56.91Info Icon
    Minus Item
    Qty
    Plus Item
  • Volute W/sea for Whirlpool DU1055XTSD3 - Part W11622922

    Pump and motor parts diagram

    Volute

    Part #8531019

    Replaced by #W11622922

    Info Icon
    Manufacturer substitution
    This part replaces 8531019. Substitute parts can look different from the original.
    In Stock
    $36.34
    Minus Item
    Qty
    Plus Item
  • Dishwasher Thermostat Retainer for Whirlpool DU1055XTSD3 - Part W10539489

    Tub and frame parts diagram

    Thermostat Bracket

    Part #3378595

    Replaced by #W10539489

    Info Icon
    Manufacturer substitution
    This part replaces 3378595. Substitute parts can look different from the original.
    In Stock
    $14.30
    12% OFF Phone Price : $16.30Info Icon
    Minus Item
    Qty
    Plus Item
  • Dishwasher Fine Filter for Whirlpool DU1055XTSD3 - Part 8268391

    Pump and motor parts diagram

    Dishwasher Fine Filter

    In Stock
    $42.13
    12% OFF Phone Price : $48.13Info Icon
    Minus Item
    Qty
    Plus Item
  • Dishwasher Screw for Whirlpool DU1055XTSD3 - Part 3400865

    Door and panel parts diagram

    Dishwasher Screw

    Part #3400865
    This item is not returnable
    In Stock
    $18.66
    10% OFF Phone Price : $20.66Info Icon
    Minus Item
    Qty
    Plus Item
  • Dishwasher Silverware Basket Clip for Whirlpool DU1055XTSD3 - Part 8269308

    Lower rack parts, optional parts (not included) diagram

    Dishwasher Silverware Basket Clip

    In Stock
    $44.09
    12% OFF Phone Price : $50.09Info Icon
    Minus Item
    Qty
    Plus Item
  • Dishwasher Drain Hose for Whirlpool DU1055XTSD3 - Part 3385556

    Lower rack parts, optional parts (not included) diagram

    Dishwasher Drain Hose

    In Stock
    $27.13
    18% OFF Phone Price : $33.13Info Icon
    Minus Item
    Qty
    Plus Item

Whirlpool Dishwasher DU1055XTSD3 FAQs

To hard reset your Whirlpool DU1055XTSD3 dishwasher, we recommend cutting power at the breaker (or unplugging, if accessible) for 1 full minute, then restoring power. This clears many control glitches and lets the motor and control reinitialize.

Safe hard reset steps

  • Turn the dishwasher OFF.
  • Switch the dishwasher circuit breaker OFF (or unplug the power cord if your installation allows).
  • Wait 60 seconds.
  • Restore power.
  • Start a short cycle and confirm the tub begins filling within the first couple minutes.

If it still will not run after the reset

The DU1055XTSD3 troubleshooting checks in the DU1055XTSD3 owner’s manual focus on basic “no run” causes first. Work through these in order:

  • Confirm the door is closed tightly and latched.
  • Verify the cycle is selected correctly and you actually started it.
  • Check the home breaker/fuse supplying the dishwasher.
  • Make sure the water shutoff valve is turned on.
  • If the motor overloaded, allow a few minutes; some motors reset automatically.

Quick symptom guide (what the reset helps, and what it does not)

Symptom Reset likely helps? What to check next
Control panel frozen or unresponsive Yes Power cycle, then try a short cycle
Dishwasher has power but will not start Sometimes Door latch, cycle selection, breaker
Clean light flashing No Service-level fault indicated
Won’t fill with water Sometimes Water valve on, float moves freely

Why it matters

A hard reset is the fastest way to clear a minor electronic “hang” without replacing parts. If the dishwasher still will not start or fill after a reset, the issue is usually power supply, door latching, water supply, or a component fault that needs targeted troubleshooting.

For more Whirlpool-specific troubleshooting paths, use how to reset a Whirlpool dishwasher.

Last updated: January 2026

The most common Whirlpool dishwasher problems (including model DU1055XTSD3) are not draining, not cleaning well, leaking, and not starting or stopping mid-cycle. These issues usually trace back to a clogged drain path, a door latch/power interruption, or a wash system problem.

Most common symptoms and what they usually mean

  • Won’t start or stops during a cycle: door not fully latched, cycle selection issue, or a tripped breaker/blown fuse
  • Not draining: blocked filter/sump area, kinked drain hose, or a failing drain pump
  • Not cleaning dishes: spray arm blockage, low water fill, or food chopper/sump restriction
  • Not drying: rinse aid empty, heater issue, or normal cycle design (some cycles pause and vary)
  • Leaks: worn door seal, loose hose connections, or over-sudsing from the wrong detergent

Quick checks we recommend first (DU1055XTSD3)

Start with the basics from the troubleshooting guidance in the DU1055XTSD3 owner’s manual.

  • Confirm the door closes tightly and latches
  • Verify the cycle is selected correctly and the dishwasher has power
  • Check the home circuit breaker/fuse and reset if needed
  • Make sure the water shutoff valve is turned on
  • Confirm home water pressure is in the typical dishwasher range (20 to 120 psi) for proper filling

Parts that commonly solve these problems

If symptoms point to a specific failure, these model-matched parts are common fixes:

Symptom Common fix area Example model-matched part
Not draining Drain pump or drain path restriction Dishwasher drain pump WPW10348269
Leaking at the door Door gasket/seal Dishwasher door seal W10542314
Poor drying or water not heating Heater circuit Dishwasher heating element W10518394

Why it matters

Catching the “most common” dishwasher problems early helps prevent secondary damage (like water leaks under the unit) and restores normal wash performance without replacing major assemblies unnecessarily.

Last updated: January 2026

A Whirlpool dishwasher typically lasts about 10 years on average with normal household use and basic maintenance. For your Whirlpool DU1055XTSD3, keeping filters clear, using the right detergent, and addressing draining or heating issues early helps you get the most life from the pump, motor, and heating system (see the DU1055XTSD3 owner's manual).

Typical lifespan and what affects it

Most dishwashers reach end-of-life due to wear in the wash system (circulation), draining, heating, or door sealing.

  • Average lifespan: ~10 years
  • Heavy use (multiple loads daily): often shorter
  • Light use and good maintenance: often longer
  • Hard water: can shorten life by causing scale buildup on internal parts
  • Poor draining or overheating: accelerates wear on pumps and seals

Quick maintenance that extends dishwasher life

These steps reduce strain on the motor, drain pump, and heater.

  • Scrape off bones, seeds, and labels before loading
  • Run hot water at the sink for 30 to 60 seconds before starting a cycle
  • Use a quality dishwasher detergent (avoid hand soap)
  • Clean the bottom area and filters regularly (if equipped)
  • Check the drain hose routing for kinks and high-loop/air-gap setup
  • Run a dishwasher cleaner cycle monthly if you have hard water

Parts that commonly drive “end of life” decisions

If performance drops, these are common repair points on many Whirlpool dishwashers, including DU1055XTSD3.

Symptom Common system involved Example part for this model
Dishes not drying, water not heating Heating circuit Dishwasher heating element W10518394
Standing water, slow drain Drain system Dishwasher drain pump WPW10348269
Leaks at the door Door sealing Dishwasher door seal W10542314

Why it matters

Knowing the typical lifespan helps you decide whether to repair or replace. If your DU1055XTSD3 is near the 10-year mark and needs a major repair (pump motor, control board, or tub leak), comparing repair cost to replacement value usually leads to a clearer decision.

Last updated: January 2026

Whirlpool Quiet Partner III is a series name, not one single model number. To identify the exact Quiet Partner III you have, we use the model number from the rating label inside the dishwasher door; for this parts page, the specific model is Whirlpool DU1055XTSD3.

How to find the correct Quiet Partner III model number

Open the dishwasher door and look along the right-hand or left-hand side of the tub opening for the model and serial label.

  • Look for a full model number (letters and numbers), not just “Quiet Partner III”
  • Write the model number exactly as shown (example: DU1055XTSD3)
  • Use that model number to match parts like a heating element, drain pump, or door seal
  • If the label is hard to read, take a clear photo and zoom in

Why the model number matters for parts

“Quiet Partner III” covers multiple Whirlpool-built dishwashers with different controls, pumps, and seals. Using the exact model number prevents ordering the wrong part.

What you have What to use for parts lookup Result
“Quiet Partner III” on the front Model number from the inside-door label Correct parts match
Only a series name (no model) DU1055XTSD3 owner’s manual Helps confirm where to find the label

Common parts people replace on DU1055XTSD3

If your Quiet Partner III is model DU1055XTSD3, these are common repair items:

Why it matters

A single digit or letter difference in a Whirlpool dishwasher model number can change the correct control board, pump motor, or hose routing, so confirming the label first saves time and returns.

Last updated: January 2026

Most common symptoms to help you fix your dishwashers

Choose a symptom to see related dishwasher repairs.

Main causes: light switch beside the sink turned off, lack of power, bad dishwasher door switch, control system failure,…

Main causes: damaged or stuck spray arm, leaking door seal, damaged door hinge, leaky heating element water seal, cracke…

Main causes: improper loading, low water temperature, improper detergent dosage, detergent dispenser failure, spray arm …

Main causes: glass or popcorn kernel stuck in the chopper blade, drain line vibrating against the cabinet, debris in was…

Main causes: broken door latch, tripped circuit breaker, broken heating element, faulty vent fan, sensor failure, contro…

Main causes: not using rinse aid, rinse aid dispenser failure, broken heating element, malfunctioning vent, drying fan f…

Main cause: damaged rack height adjuster…

Main causes: clogged kitchen sink drain, clogged drain hose, drain check valve damaged, drain pump failure, control syst…

Main causes: water supply problem, stuck overfill float, clogged water inlet valve screen, water inlet valve failure…

Most common repair guides to help fix your dishwashers

These step-by-step repair guides will help you safely fix what’s broken on your dishwasher.

How to replace a dishwasher door latch assembly

How to replace a dishwasher door latch assembly

If the dishwasher door doesn't click shut, a broken door latch is a likely cause. Follow these instructions to replace i…

Repair time and Difficulty

 30 minutes or less
How to replace a dishwasher thermal fuse

How to replace a dishwasher thermal fuse

A completely dead control panel often indicates that the thermal fuse on the electronic control board is blown; follow t…

Repair time and Difficulty

 15 minutes or less
How to replace a dishwasher control panel

How to replace a dishwasher control panel

Learn how to replace a dishwasher control panel. Learn which tools and parts you need and get step-by-step instructions.…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your dishwashers

Use the advice and tips in these articles and videos to get the most out of your dishwasher.

What's a turbidity sensor, and how does it affect wash quality?

What's a turbidity sensor, and how does it affect wash quality?

Your dishwasher’s secret weapon? A turbidity sensor. Find out what it does, how it boosts wash quality, and what to do i…

Dishwasher not drying dishes video

Dishwasher not drying dishes video

Find out why your dishes are still wet even after the dishwasher cycle has finished.…

Replacing dishrack rollers on Kenmore 587-series and Frigidaire dishwashers video

Replacing dishrack rollers on Kenmore 587-series and Frigidaire dishwashers video

It only takes a few minutes to get your dishrack sliding easily again.…

Parts & More

Bottom-Mount Refrigerator
Charcoal Grill
Dishwasher
Front-Engine Lawn Tractor
Gas Range
Gas Walk-Behind Mower
Generator
Lawn & Garden Engine
Parts
Rear-Engine Riding Mower
Side-By-Side Refrigerator
Top-Mount Refrigerator
Washer