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Whirlpool WFW8400TW03 washer Parts

Here are the diagrams and repair parts for Whirlpool WFW8400TW03 washer, as well as links to manuals and error code tables, if available.

Whirlpool WFW8400TW03 washer
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Browse Parts for WFW8400TW03 Washer

  • Whirlpool Washer Drain Pump Assembly for Whirlpool WFW8400TW03 - Part WPW10730972

    Pump and motor parts diagram

    Filter

    Part #8540996

    Replaced by #WPW10730972

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    This part replaces 8540996. Substitute parts can look different from the original.
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  • Whirlpool Washer Drain Pump Assembly for Whirlpool WFW8400TW03 - Part WPW10730972

    Pump and motor parts diagram

    Washer Drain Pump Assembly

    Part #W10130913

    Replaced by #WPW10730972

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    This part replaces W10130913. Substitute parts can look different from the original.
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  • Whirlpool Washer Drain Pump Assembly for Whirlpool WFW8400TW03 - Part WPW10730972

    Pump and motor parts diagram

    Seal

    Part #8540025

    Replaced by #WPW10730972

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    This part replaces 8540025. Substitute parts can look different from the original.
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  • Maytag Appliance Hose Clamp for Whirlpool WFW8400TW03 - Part WP596669

    Dispenser parts diagram

    Clamp

    Part #370450

    Replaced by #WP596669

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    This part replaces 370450. Substitute parts can look different from the original.
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  • Whirlpool Appliance Screw for Whirlpool WFW8400TW03 - Part WP488729

    Control panel parts diagram

    Screw

    Part #3390647

    Replaced by #WP488729

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    This part replaces 3390647. Substitute parts can look different from the original.
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  • Washer Water Inlet Valve for Whirlpool WFW8400TW03 - Part WP8540751

    Dispenser parts diagram

    Washer Water Inlet Valve

    Part #8540751

    Replaced by #WP8540751

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  • Washer Dispenser Hose for Whirlpool WFW8400TW03 - Part W11366227

    Dispenser parts diagram

    Washer Dispenser Hose

    Part #8540063

    Replaced by #W11366227

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    This part replaces 8540063. Substitute parts can look different from the original.
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  • Washer Water Temperature Sensor for Whirlpool WFW8400TW03 - Part WPW10467289

    Tub and basket parts, optional parts (not included) diagram

    Sensor-ntc

    Part #8540226

    Replaced by #WPW10467289

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  • Washer Door Boot Spring Clamp for Whirlpool WFW8400TW03 - Part W11032829

    Door and latch parts diagram

    Washer Door Bellow Clamp

    Part #8540107

    Replaced by #W11032829

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    This part replaces 8540107. Substitute parts can look different from the original.
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  • Washer Tub-to-pump Hose for Whirlpool WFW8400TW03 - Part W11366249

    Pump and motor parts diagram

    Washer Tub-to-pump Hose

    Part #8540012

    Replaced by #W11366249

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    This part replaces 8540012. Substitute parts can look different from the original.
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Whirlpool Washer WFW8400TW03 FAQs

Whirlpool washer parts are only interchangeable when the replacement part is listed as compatible with your exact model, WFW8400TW03. For best fit and performance, we recommend using factory specified parts for this washer, as outlined in the WFW8400TW03 owner's manual.

What “interchangeable” really means

Parts can look similar across Whirlpool models, but small differences in mounting points, electrical connectors, and software compatibility can prevent a correct repair.

Common examples where interchangeability fails:

  • Control boards and user interface parts (programming and connectors vary)
  • Door lock and latch components (alignment and wiring differ)
  • Hoses and clamps (diameter, length, and routing differ)
  • Drive components such as belts and motors (pulley sizes and belt profiles vary)
  • Door seal components (boot shape and drain ports differ)
How we recommend confirming compatibility

Use your model number (WFW8400TW03) as the deciding factor, then match the part ID on the listing.

  • Confirm the full model number from the rating plate
  • Match the part ID exactly (letters and numbers)
  • Compare the part name and where it installs (pump area, dispenser, door, etc.)
  • If the washer shows an error, use the right error-code family for Whirlpool front-load models
Quick examples for this model
Repair need Example compatible part for WFW8400TW03 What it affects
Door seal leak Washer door boot WPW10111435 Prevents water leaks at the door opening
Door won’t lock Latch WPW10253483 Allows the control to start and lock the door
Drain or flow restriction Filter WPW10730972 Helps maintain proper water flow/drain performance
Why it matters

Using the correct Whirlpool factory specified part helps the washer run safely and correctly, reduces repeat failures, and avoids issues like leaks, vibration, or persistent error codes.

For troubleshooting by code, use Whirlpool duet alpha front load washer error codes.

Last updated: February 2026

Yes. On the Whirlpool WFW8400TW03 washer, using too much detergent (or using non-HE detergent) can create excessive suds that interfere with normal draining and cycle sensing, which can trigger an E3-type drain/overflow-related error and extend cycle time.

What to do right now
  • Press Pause/Cancel once and let the washer try to recover.
  • Run Drain & Spin to remove water and collapse suds.
  • If suds are visible, run Rinse & Spin (no detergent) to flush residue.
  • Resume washing using HE (High Efficiency) detergent only.
  • Measure detergent carefully; more soap does not mean cleaner clothes.
Detergent dosing guidelines (works well for this model)

The WFW8400TW03 is a low-water, high-efficiency front-load design; it needs low-sudsing detergent. We follow the dosing and HE guidance in the WFW8400TW03 owner's manual.

Load type Practical starting dose (HE detergent) Adjust when…
Small/light soil 1 to 2 teaspoons Increase slightly if clothes look dull
Medium/normal 1 to 2 tablespoons Decrease if you see suds after tumbling
Large/heavy soil 2 to 3 tablespoons Pre-treat stains instead of over-dosing
Why too many suds can look like a drain problem

Excess suds can trap water and slow down pumping, so the washer may pause, add time, or run a special “suds routine” to clear foam before it can finish draining and spinning.

When to check a real drain restriction

If you get repeated E3-type errors even with the correct HE detergent amount, check these common causes:

  • Drain hose kinked or crushed behind the washer
  • Standpipe height too high (many Whirlpool front-load setups max out around 96 inches)
  • Clogged drain path or a restricted pump filter area
  • Heavy, single-item loads causing an out-of-balance condition

If you suspect a restriction at the pump filter area, the model uses a serviceable filter WPW10730972.

Why it matters

Correct detergent type and dose protects cleaning performance and helps prevent long cycle times, poor rinsing, odor buildup, and avoidable wear on drain components.

Last updated: February 2026

Yes. Many Whirlpool front-load washers, including model WFW8400TW03, use a drain pump filter (also called a clean-out) that can collect lint, coins, and small items; cleaning it helps prevent draining problems and odors. For your model’s care steps, use the WFW8400TW03 owner's manual.

Where the filter is and what it does

On most Whirlpool front-load designs, the filter is accessed from a small lower front panel (kick plate area). It protects the drain pump by catching debris before it reaches the pump impeller.

Common signs the filter needs cleaning:

  • Washer will not drain or drains slowly
  • Standing water left in the drum
  • Rattling or grinding during drain
  • Musty odor after loads
  • Error codes related to draining (varies by model)
How to clean the filter (safe, typical steps)

We recommend these steps for WFW8400TW03-STYLE front-load washers:

  • Unplug the washer.
  • Place a shallow pan and towels under the lower front access area.
  • Open the access panel.
  • Turn the filter cap slowly counterclockwise to let water drain out gradually.
  • Remove the filter and clear debris.
  • Rinse the filter, wipe the housing, then reinstall and tighten clockwise.
  • Run a Rinse/Drain and Spin to confirm normal draining.
What you see What it usually means What to do
Lots of water releases Normal trapped water in pump area Drain slowly into a pan
Coins, lint, hairpins Debris caught by filter Clean and recheck monthly
Filter cap hard to turn Debris or cross-threading Work slowly; reseat and retighten
Parts that are commonly involved

If the cap, seal, or filter housing is damaged or leaking after cleaning, replacement is often the fix. For this model, the pump filter component is commonly listed as filter WPW10730972.

Why it matters

A clean drain filter helps your Whirlpool washer drain correctly, reduces strain on the drain pump, and supports better wash performance with HE detergent and proper washer care routines.

Last updated: February 2026

On the Whirlpool WFW8400TW03 front load washer, we find the model and serial number label either behind the door (on the door jamb) or on the cabinet frame near the lower front edge. Use the exact model number from that label when ordering parts or service.

Where to look first (fastest checks)
  • Open the washer door and inspect the door opening (door jamb area).
  • Look along the front cabinet frame near the bottom edge.
  • Check the back of the control panel area.
  • Inspect the side of the main cabinet near the bottom.
What to write down (and why)

The label includes both a model number and a serial number. We recommend copying both exactly as shown because they help match the correct Whirlpool parts, diagrams, and troubleshooting steps.

Item on label What it’s used for Example format
Model number Matching parts and manuals WFW8400TW03
Serial number Identifying production details for service Letters and numbers
Why it matters

Using the complete model number prevents ordering the wrong door boot, drain components, or control parts that may look similar but fit differently across Whirlpool front load washer versions. The manual also notes you will need the complete model and serial number when requesting assistance or service.

Helpful next step
  • Confirm the model number on the label matches your parts page (WFW8400TW03).
  • Keep a photo of the label for future reference.
  • For additional location details and service guidance, use the WFW8400TW03 owner’s manual.

Last updated: February 2026

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