Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
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.

Error Codes

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  |
Thermistor & Spring R0911005
#26

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

Thermistor & spring

Part #R0911005

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

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

Screw R0900002
Screw

Part #R0900002

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

Bushing, Vent Lever R0910109
#40A

Door and control panel assembly (dcs450w/p1139734nw) diagram

Bushing, vent lever

Part #R0910109

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

Strip, Nut A R0901013
#12

Interior tub assemblies (dcs450w/p1139734nw) diagram

Strip, nut a

Part #R0901013

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

Detergent Lever Screw R0900037
#44

Door and control panel assembly (dcs450w/p1139734nw) diagram

Detergent lever screw

Part #R0900037

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

Connector Elec., 5 Pin R0906005
#21A

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

Connector elec., 5 pin

Part #R0906005

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

House Pump R0910001
House pump

Part #R0910001

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

Pinion Screw R0900015
#10

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

Pinion screw

Part #R0900015

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.

View all

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…

Read more

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…

Read more

Why is my dishwasher leaking?

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

Read more

Why won't my dishwasher drain?

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

Read more

Why does my dishwasher door drop open too fast?

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

Read more

Why does my dishwasher stop mid-cycle?

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

Read more

Why can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster…

Read more

Why isn't my dishwasher getting dishes clean?

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

Read more

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,…

Read more

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.

View all
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 …

Read more
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.…

Read more
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.…

Read more
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.

View all
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.…

Read more
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.…

Read more
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.…

Read more

Parts & More