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
Amana
Furnace

Model # OC100-B3 Official Amana oil-fired counterflow furnace

Here are the diagrams and repair parts for Official Amana OC100-B3 oil-fired counterflow furnace, 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 153 parts  |
Base Assembly 304-4000
#1A

Replacement parts diagram

Base assembly

Part #304-4000

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

Heat Exchanger Assembly 900-4401
#23C

Replacement parts diagram

Heat exchanger assembly

Part #900-4401

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

Blower Cutoff 980-1130

#NI

All parts diagram

Blower cutoff

Part #980-1130

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

Capacitor - Motor 4m Fd-370v 22-9627

#NI

All parts diagram

Capacitor - motor 4m fd-370v

Part #22-9627

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

Furnace Blower Housing 980-1255
#39B

Replacement parts diagram

Furnace blower housing

Part #980-1255

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

Motor Bracket - Support 980-1182
Motor bracket - support

Part #980-1182

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

Grommet - Rubber Motor Mount 22-9733

#NI

All parts diagram

Grommet - rubber motor mount

Part #22-9733

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

Motor Bracket - Support 980-1245
#53B

Replacement parts diagram

Motor bracket - support

Part #980-1245

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

Half Hinge Fixed - L.h. 251-2732
#19

Replacement parts diagram

Half hinge fixed - l.h.

Part #251-2732

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

Panel - Right Side Assembly 306-3100
#2C

Replacement parts diagram

Panel - right side assembly

Part #306-3100

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

Repair guides for side-by-side refrigerators

How to replace a refrigerator thermistor

How to replace a refrigerator thermistor

The thermistor senses the temperature inside the refrigerator. If the actual temperature and the temperature you set are…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a dispenser core control board in a side-by-side refrigerator

How to replace a dispenser core control board in a side-by-side refrigerator

If your refrigerator dispenses ice or water even when the door is open, replace the dispenser core control board—it take…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace an ice maker in a side-by-side refrigerator

How to replace an ice maker in a side-by-side refrigerator

Learn how to replace the ice maker in a side-by-side refrigerator with these step-by-step instructions.…

Read more
Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your furnaces

View all
How to get your furnace ready for winter

How to get your furnace ready for winter

Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…

Read more
Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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