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Whirlpool DU948PWKB1 dishwasher

Whirlpool DU948PWKB1 dishwasher Parts

Here are the diagrams and repair parts for Whirlpool DU948PWKB1 dishwasher, as well as links to manuals and error code tables, if available.

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Browse Parts for DU948PWKB1 Dishwasher

  • Dishwasher Pump Inlet Base Seal for Whirlpool DU948PWKB1 - Part WP302710

    Pump and motor diagram

    Seal

    Part #302710

    Replaced by #WP302710

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    This part replaces 302710. Substitute parts can look different from the original.
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  • Dishwasher Check Ball for Whirlpool DU948PWKB1 - Part WP719929

    Pump and motor diagram

    Ball

    Part #719929

    Replaced by #WP719929

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    This part replaces 719929. Substitute parts can look different from the original.
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  • Dishwasher Drain Impeller for Whirlpool DU948PWKB1 - Part WP8274950

    Pump and motor diagram

    Dishwasher Pump Impeller

    Part #8274950

    Replaced by #WP8274950

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    This part replaces 8274950. Substitute parts can look different from the original.
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  • Dishwasher Wire Harness Retainer for Whirlpool DU948PWKB1 - Part 3376405

    Frame and console/literature diagram

    Dishwasher Wire Harness Retainer

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  • Roper Dishwasher Water Feed Tube for Whirlpool DU948PWKB1 - Part 661651

    Upper dishrack and water feed diagram

    Roper Dishwasher Water Feed Tube

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  • Dishwasher Terminal Block Cover for Whirlpool DU948PWKB1 - Part 300068

    Tub assembly diagram

    Dishwasher Terminal Block Cover

    Part #300068
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  • Danby Appliance Touch-up Paint, 0.6-oz (white) for Whirlpool DU948PWKB1 - Part 72017

    Miscellaneous/optional diagram

    Danby Appliance Touch-up Paint, 0.6-oz (white)

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  • Dishwasher Tine Tip Set, 125-pack (gray) for Whirlpool DU948PWKB1 - Part 676458

    Miscellaneous/optional diagram

    Dishwasher Tine Tip Set, 125-pack (gray)

    Part #676458
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  • Paint for Whirlpool DU948PWKB1 - Part 350942

    Miscellaneous/optional diagram

    Paint

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  • Dishwasher Screw for Whirlpool DU948PWKB1 - Part WPW10348413

    Inner door diagram

    Screw

    Part #3400815

    Replaced by #WPW10348413

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    This part replaces 3400815. Substitute parts can look different from the original.
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Whirlpool Dishwasher DU948PWKB1 FAQs

Repair cost for a Whirlpool dishwasher like model DU948PWKB1 usually falls between $150 and $500 for common problems (drain issues, leaks, poor cleaning, or not heating). The total depends on the failed part, labor rates in your area, and whether the repair is a simple adjustment or a component replacement.

Typical repair cost ranges (parts + labor)

  • Minor fixes: $150 to $250 (clogs, loose connections, small leak sources)
  • Mid-level repairs: $250 to $400 (inlet valve, latch, dispenser, drain hose)
  • Major repairs: $400 to $700 (pump/motor-related work, multiple parts, electrical diagnosis)
Common symptom Likely repair area Typical total cost
Leaking at the door Door seal, alignment $150 to $350
Not filling Water inlet valve, float $200 to $450
Not draining Drain hose, drain path $180 to $450
Poor drying Heater circuit, rinse aid $200 to $500

Parts that commonly affect price on DU948PWKB1

Parts pricing varies, but these model-matched parts are frequent drivers of the final bill:

What changes the cost the most

  • Service call and diagnostic fee: often applied toward the repair if you proceed
  • Access time: built-in dishwashers can take longer to pull out and reinstall
  • Multiple failures: leaks can involve a seal plus a hose or clamp
  • Electrical troubleshooting: intermittent power or control issues increase labor time

Why it matters

Dishwasher repairs are usually cost-effective when the unit is otherwise in good shape, especially for targeted issues like a door leak or drain problem. If you’re seeing an error or the dishwasher won’t run, using a code-based diagnosis can prevent replacing the wrong part.

Helpful DIY references

Last updated: February 2026

The most common Whirlpool dishwasher problems (including model DU948PWKB1) are poor draining, leaks, and poor cleaning. In many cases, the fix is basic maintenance (cleaning filters and spray arms) or correcting a simple issue like a blocked drain path or a door seal that is no longer sealing.

Most common symptoms and what usually causes them

  • Not draining: clogged drain hose, blocked sink/disposer connection, or a stuck float
  • Leaking: worn door seal, loose clamps, or a door that is not latching fully
  • Not cleaning well: clogged spray arm holes, overloading, or low water temperature
  • Not drying: rinse aid empty, heater issue, or opening the door too soon
  • Bad odor: food debris buildup, standing water, or infrequent cleaning

Quick checks we recommend first (fast, no parts)

  1. Cancel/drain the cycle and listen for the drain pump running.
  2. Inspect the tub bottom for standing water and remove debris.
  3. Spin the spray arms by hand; clear blocked holes.
  4. Confirm the door closes firmly and the latch engages.
  5. Run a cleaning cycle using a dishwasher cleaner and hot water.

Parts that commonly solve these problems on DU948PWKB1

Problem What to inspect Example part for this model
Leak at the door Torn, flattened, or dirty gasket Dishwasher door seal WPW10509257
Won’t drain / drains slowly Kinked or clogged drain line Dishwasher drain hose WP3374077
Overfills or leaks into base Float stuck or not moving freely Dishwasher float assembly WP3376397
Door won’t stay shut Latch not catching consistently Dishwasher door latch WP3380854

Why it matters

Drain, leak, and wash-performance issues can snowball: a small clog can cause standing water and odor, and a weak door seal can lead to water damage. Catching the root cause early keeps cycles shorter, dishes cleaner, and helps protect the kitchen floor.

Last updated: February 2026

On your Whirlpool dishwasher model DU948PWKB1, the most reliable way to get the right replacement part is to use the model and serial tag on the tub frame (not a number printed on the part itself). Once you have the model number, we can match the correct parts list for your exact dishwasher.

Where to look for the model and serial tag

Check these common locations on Whirlpool dishwashers like DU948PWKB1:

  • Along the inside edge of the door (left or right side) when the door is open
  • On the top edge of the inner door panel
  • On the tub frame near the door opening
  • Occasionally behind the toe panel area (lower front)

What numbers matter (and what to ignore)

Dishwashers can have several different numbers on labels and parts. Here is what to use.

What you find Example format Use it for ordering parts?
Model number DU948PWKB1 Yes (best starting point)
Serial number Letters and numbers Sometimes (date/series match)
Part number on a component Stamped/printed on the part Sometimes (can be superseded)
Control panel numbers Printed near buttons No

Tips to make sure you get the correct part

  • Write the model number exactly as shown: DU948PWKB1
  • If the tag is worn, take a clear photo with the door open and good lighting
  • Match the symptom to the part category (leak, no fill, not draining, poor cleaning)
  • Compare your old part to the listing photos and description before ordering
  • If you are replacing a leak-related item, inspect nearby seals and clamps at the same time

Common examples for this model

If you are troubleshooting a specific issue, these are examples of parts customers often look up by model:

Why it matters

Using the model tag prevents ordering a look-alike part that does not fit your exact Whirlpool dishwasher configuration. Whirlpool often uses similar-looking parts across multiple series, and the model number is what locks in the correct match.

Last updated: February 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.…

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