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Modern Maid
Dishwasher

Model # DDW550B/P1139735NB Official Modern Maid dishwasher

Here are the diagrams and repair parts for Official Modern Maid DDW550B-P1139735NB dishwasher, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 436 parts  |
Roller R0910008
Roller

Part #R0910008

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

Side Trim Cap (almond Unit) R0905680
#23B

Interior tub assemblies (dcs450w/p1139734nw) diagram

Side trim cap (almond unit)

Part #R0905680

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

Shaft, Detergent Cup R0903565
#20

Door and control panel assembly (dcs450w/p1139734nw) diagram

Shaft, detergent cup

Part #R0903565

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

Spring Cutter R0905521
Spring cutter

Part #R0905521

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

Bearing R0905556
#8

Motor-pump mechanism (dus600b/p1139732nb) (dus600ww/p1139732nw) (ddw650b/p1139736nb) (ddw650ww/p1139736nw) (dus900b/p1139733nb) (ddw950b/p1139737nb) (ddw950ww/p1139737nw) diagram

Bearing

Part #R0905556

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

Retainer Thermostat R0901502
Retainer thermostat

Part #R0901502

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

Terminal Pin & Socket R0906007
#24

Control panel assembly (dus900b/p1139733nb) (ddw950b/p1139737nb) (ddw950ww/p1139737nw) diagram

Terminal pin & socket

Part #R0906007

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

Dishwasher Caster R0910087
#25

Interior tub assemblies (dcs450w/p1139734nw) diagram

Dishwasher caster

Part #R0910087

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

Tub, Flange Trim R0905574
#5

Tub and rack assemblies (dus600b/p1139732nb) (dus600ww/p1139732nw) (ddw650b/p1139736nb) (ddw650ww/p1139736nw) (dus900b/p1139733nb) (ddw950b/p1139737nb) (ddw950ww/p1139737nw) diagram

Tub, flange trim

Part #R0905574

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

Cap Power Shower (used On Models Without Power Shower) R0903508
Cap power shower (used on models without power shower)

Part #R0903508

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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