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
Electric Range

Model # QDU-858A Official Modern Maid electric range

Here are the diagrams and repair parts for Official Modern Maid QDU-858A electric range, 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 169 parts  |
Center Supports 44-01-621
#12

Glass top section (qdu-878) diagram

Center supports

Part #44-01-621

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

Smoke Eliminator 74-09-024
#26

Cabinet section (qdu-838) (qdu-858) (qdu-878) diagram

Smoke eliminator

Part #74-09-024

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

Broil Pan 36-01-033
#3

Oven accessories (qdu-838) (qdu-858) (qdu-878) diagram

Broil pan

Part #36-01-033

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

Control Panel Extrusion 77-02-107
Control panel extrusion

Part #77-02-107

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

Lamp Socket 74-08-063
#31

Cabinet section (qdu-838) (qdu-858) (qdu-878) diagram

Lamp socket

Part #74-08-063

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

Cabinet Back 16-09-094
#4

Cabinet section (qdu-838) (qdu-858) (qdu-878) diagram

Cabinet back

Part #16-09-094

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

Ceramic Glass W/sealer 79-02-177
#2

Glass top section (qdu-878) diagram

Ceramic glass w/sealer

Part #79-02-177

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

Door Hinge 56-56-801
#23

Cabinet section (qdu-838) (qdu-858) (qdu-878) diagram

Door hinge

Part #56-56-801

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

Wire Harness 56-43-677

#NI

All parts diagram

Wire harness

Part #56-43-677

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

Grille Element 74-06-169
#2

Main top section (qdu-838) diagram

Grille element

Part #74-06-169

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

Most common symptoms to help you fix your ranges

Choose a symptom to see related range repairs.

View all

Why is my range's oven temperature wrong?

Main causes: faulty temperature sensor, electronic control board problem, control thermostat failure, weak burner ignite…

Read more

Why won't my range's oven heat?

Main causes: power supply problem, control thermostat or electronic control board failure, broken element, bad burner ig…

Read more

How do I get rid of streaks on my range's oven window?

Main causes: food splatters, spilling food on the oven door, allowing liquid to drip through oven door vent when cleanin…

Read more

Why isn't my range working?

Main causes: power supply failure, blown thermal fuse, bad relay control board, damaged terminal block, wiring failure…

Read more

Why doesn't my range's oven broiler work?

Main causes: broken broiler element, weak or broken broil burner igniter, control system failure, faulty temperature sen…

Read more

Why won't my range's oven bake?

Main causes: bad bake element, broken burner igniter, control system failure, blown thermal fuse, faulty temperature sen…

Read more

Why can't I unlock my range's oven door?

Main causes: broken oven door lock assembly, wiring failure, electronic control board problem…

Read more

Most common repair guides to help fix your ranges

These step-by-step repair guides will help you safely fix what’s broken on your range.

View all
How to replace a range oven door switch

How to replace a range oven door switch

The oven door switch detects whether the oven door is closed and helps control the oven light. Replace the switch if it …

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a range oven door lock assembly

How to replace a range oven door lock assembly

Oven door not locking? You can replace the lock assembly in less than 30 minutes. Here's how.…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your ranges

Use the advice and tips in these articles and videos to get the most out of your range.

View all
How to clean and maintain your stove

How to clean and maintain your stove

Learn how to clean and maintain your stove to keep it in top shape.…

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