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Modern Maid
Dishwasher

Model # MDU300CB/P1188304W Official Modern Maid dishwasher

Here are the diagrams and repair parts for Official Modern Maid MDU300CB-P1188304W 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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 191 parts  |
Shield Timer R0904016
#20

Control panel diagram

Shield timer

Part #R0904016

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

Deflector R0905523
#24

Door and door trim diagram

Deflector

Part #R0905523

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

Nut Strip R0901003
#49

Tub assembly diagram

Nut strip

Part #R0901003

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

Door Spring (blue) R0905503
#16A

Tub assembly diagram

Door spring (blue)

Part #R0905503

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

Tub Insulation R0904534
#52

Tub assembly diagram

Tub insulation

Part #R0904534

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

Rack Sl;ide R0905567
#11

Tub assembly diagram

Rack sl;ide

Part #R0905567

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

Color Pac (insulator) R0906002
#13B

Door and door trim diagram

Color pac (insulator)

Part #R0906002

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

Nut R0901004
#13

Water distribution components diagram

Nut

Part #R0901004

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

Damper Sound R0904532
#36

Door and door trim diagram

Damper sound

Part #R0904532

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

Most common symptoms to help you fix your dishwashers

Choose a symptom to see related dishwasher repairs.

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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 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 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 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 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 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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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 can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster…

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Why is my dishwasher leaking?

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

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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 water inlet valve

How to replace a dishwasher water inlet valve

If your dishwasher fills constantly or won't fill at all, the water inlet valve has failed. You can replace it in about …

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Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher detergent dispenser

How to replace a dishwasher detergent dispenser

Dishes need dish detergent to get clean. Learn how to replace a dishwasher detergent dispenser with easy step-by-step i…

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Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher door outer panel

How to replace a dishwasher door outer panel

If your dishwasher door is dented or you want it to match your cabinets or other appliances, this guide shows how to rep…

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Repair difficulty
Time required
 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.

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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

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

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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