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.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 436 parts  |

Switch Bracket R0903028
#38

Door and control panel assembly (dcs450w/p1139734nw) diagram

Switch bracket

Part #R0903028

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

Fill Funnel Gasket R0904505
#29

Ptub assembly (dcs450w/p1139734nw) diagram

Fill funnel gasket

Part #R0904505

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

Support Heater R0905632
Support heater

Part #R0905632

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

Float Stem R0905512
Float stem

Part #R0905512

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

Use And Care Manual R0913028

#NI

All parts diagram

Use and care manual

Part #R0913028

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

Screw, Escutcheon To Door R0900038
#30

Door and control panel assembly (dcs450w/p1139734nw) diagram

Screw, escutcheon to door

Part #R0900038

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

Door Spring (blue) R0905503
#1B

Tub assembly (gax100l/p1139727nl) (dus200w/p1139728nw) (dus300l/p1139729nl) (dus300b/p1139729nb) (dus400b/p1139730nb) (dus500b/p1139731nb) (ddw550b/p1139735nb) diagram

Door spring (blue)

Part #R0905503

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

Use And Care Manual R0913043

#NI

All parts diagram

Use and care manual

Part #R0913043

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

Screw, Hinge To Door R0900036
#38

Interior tub assemblies (dcs450w/p1139734nw) diagram

Screw, hinge to door

Part #R0900036

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.

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

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

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

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

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

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

Main cause: damaged rack height adjuster…

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

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

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…

Repair difficulty
Time required
 15 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 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.

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.…

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.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

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