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Modern Maid
Dishwasher

Model # MDU300CW/P1188303W Official Modern Maid dishwasher

Here are the diagrams and repair parts for Official Modern Maid MDU300CW-P1188303W dishwasher, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 191 parts  |
Armature R0905517
#27

Water distribution components diagram

Armature

Part #R0905517

The manufacturer no longer makes this part, and there's no substitute part

Spring Timer Lever R0905541
#13

Control panel diagram

Spring timer lever

Part #R0905541

The manufacturer no longer makes this part, and there's no substitute part

Housing Terminal (black) R0910049
#12A

Control panel diagram

Housing terminal (black)

Part #R0910049

The manufacturer no longer makes this part, and there's no substitute part

Damper Sound R0904531
#35

Door and door trim diagram

Damper sound

Part #R0904531

The manufacturer no longer makes this part, and there's no substitute part

Switch Flood R0902515
#37A

Water distribution components diagram

Switch flood

Part #R0902515

The manufacturer no longer makes this part, and there's no substitute part

Bag And Hugger Assembly R0910164
#7

Upper/lower racks diagram

Bag and hugger assembly

Part #R0910164

The manufacturer no longer makes this part, and there's no substitute part

Nut Heater R0901001
#25

Tub assembly diagram

Nut heater

Part #R0901001

The manufacturer no longer makes this part, and there's no substitute part

Pinion Gear Washer R0900504
#11

Water distribution components diagram

Pinion gear washer

Part #R0900504

The manufacturer no longer makes this part, and there's no substitute part

Washer St. Stl R0900503
#43

Tub assembly diagram

Washer st. stl

Part #R0900503

The manufacturer no longer makes this part, and there's no substitute part

Hanger Mech R0905712
#22

Water distribution components diagram

Hanger mech

Part #R0905712

The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your dishwashers

Choose a symptom to see related dishwasher repairs.

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Why won't my dishwasher fill?

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

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Why won't my dishwasher drain?

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

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Why does my dishwasher door drop open too fast?

Main causes: broken door spring, damaged or broken door hinge…

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Why can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster…

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Why isn't my dishwasher getting dishes clean?

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

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Why won't my dishwasher start?

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

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Why don't my dishes get dry?

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

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Why does my dishwasher stop mid-cycle?

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

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Why is my dishwasher noisy?

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

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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.

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How to replace a dishwasher heating element

How to replace a dishwasher heating element

Dishes not drying as fast as they should? The dishwasher heating element could be on the fritz. Here's how to install a …

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Repair difficulty
Time required
 45 minutes or less
How to replace a dishwasher high-limit thermostat

How to replace a dishwasher high-limit thermostat

Follow these steps to replace the high-limit thermostat in your dishwasher if prevents the heating element from heating.…

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Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher diverter motor

How to replace a dishwasher diverter motor

Upper spray arms not getting water? The diverter motor could be broken. Use this guide to replace it.…

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Repair difficulty
Time required
 30 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.

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5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Top questions about Sears and Sears PartsDirect

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