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Models > WU400

WU400 Maytag Dishwasher - Overview

Get Parts and Repair Help for WU400

If you know the dishwasher repair part you need, you can browse the list of all parts on the WU400, or you can search by name or part description. You can also find your part by where it is located on the WU400 by selecting a section below. If you’re not sure which part you need, you can narrow your search by selecting a common symptom and we’ll show you the repair parts most likely to fix your dishwasher. We’ve also included any installation videos we have for WU400 parts. Installation instructions provided by other do-it-yourselfers will help guide you through your repair.

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$3.02

Screw

This screw is sold individually.

$3.02

Hose Clamp

This hose clamp is used in a wide variety of household appliances. Most often it is found in washers, dishwashers, refrigerators, freezers, dehumidifiers, garbage disposals, or air conditioners. This clamp is used to securely attach a hose to another part of your appliance, which helps prevent leaks from those connections. Depending on the appliance, it can attach hoses to drain pumps, water inlet valves, pressure switches, and injector nozzles. We recommend you refer to model-specific diagrams for appropriate uses and exact placement. This hose clamp is made of metal, and is sold individually. To access and replace this part you will need a nut driver, pliers, and screwdrivers. Before you begin any repair work, make sure you have unplugged your appliance, and shut off the water supply if applicable.

$3.02

Screw

Sold individually. Lock washers are used with screws when vibration from an appliance may cause the screw to loosen. Lock washers are also used in the electrical components of an ...

$5.51

Hose Clamp

The hose clamp is used to hold the water hose in place which will prevent the hose from leaking water. Sometimes the clamp may lose its ability to latch on, causing a leaking washer. For the installation, you will need a flat head screw driver to replace the clamp and a drill to access the screws to remove the front of the washer. Be careful if you do not have specific clamp pliers as the clamp could fly off. Once the front of the washer has been removed, take a quick look for water damage or any obvious signs of where the leak is coming from. If it is not obvious, run water to test.

$5.10

Screw, 8/18 x 3/8

This screw is sold individually.

$4.48

Inlet Hose Washer

This high-pressure inlet hose washer, or gasket, is used with many washing machines, refrigerators, and dishwashers to create a watertight or airtight seal in the appliance. It is black in color, made of rubber, and about 1 inch in diameter. Rubber gaskets can get dry and brittle over time, causing them to lose their integrity and malfunction or crack, which will compromise the seal. It is recommended to check other seals before ordering this part in case they also need to be replaced. This is an OEM part sourced directly from the genuine manufacturer.

$3.02

Screw

This screw is sold individually.

$3.02

Screw, 8-18 x 1/2

This screw is sold individually.

$3.00

Hose Clamp

Note: This part has been updated by the manufacturer. It may appear different but will still function the same as the original. The hose clamp is about 2 inches in diameter and mad...

$3.75

Screw

This screw is sold individually. Size: 8-32 x 1/4 inch.

Search Instructions
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Detergent Cup would not open during wash cycle

  • Customer: Robert from Taylor, MI
  • Difficulty: Really Easy
  • Time to Complete: 15 - 30 mins
  • Tools Required: Nutdriver, Screw drivers
  • 16 of 16 people found this instruction helpful
This repair is very simple. Partselect.com sells a repair kit for this problem that you can use but for simplicity the entire unit is not that much more. First remove the four outside lower philips head screws on the inside of your dishwasher door. Support outer door panel while removing screws. This will remove the outer door panel to gain access to the det... read more

badly damaged gasket

  • Customer: John from Lomax, IL
  • Difficulty: Really Easy
  • Time to Complete: Less than 15 mins
  • Tools Required:
  • 12 of 14 people found this instruction helpful
the coupling for the water hookup for my rollaway dishwasher was very badly damaged. After looking everywhere including authorized dealer and repair places, on-line at the manufactures parts website, I finally broke down and ordered the entire hose assembly. When it arrived, I simply used a toothpick to carefully remove the new gasket from the new part and p... read more

missing screws for oven door

  • Customer: donna from baltimore, MD
  • Difficulty: Really Easy
  • Time to Complete: Less than 15 mins
  • Tools Required: Screw drivers
  • 11 of 13 people found this instruction helpful
After searching on the internet for a very long time, we were almost ready to order the screws "blind" (no picture) from Sears for almost $10.oo per screw. Then I stumbled onto this website and found exactly what I was looking for, with a detailed description AND a picture!! Not to mention a price that was two thirds less than Sears..for TWO screws. Now th... read more