Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
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 # OC100SA Official Amana oil-fired counterflow furnace

Here are the diagrams and repair parts for Official Amana OC100SA 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  |
Cleanout Access Plate 525-6246

#NI

All parts diagram

Cleanout access plate

Part #525-6246

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

Furnace Blower Shaft 20-5021
#42

Replacement parts diagram

Furnace blower shaft

Part #20-5021

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

Oil Burner - Wayne S/s - Plus Cell; Note 1 - For Complet 25-2304
#26C

Replacement parts diagram

Oil burner - wayne s/s - plus cell; note 1 - for complet

Part #25-2304

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

Blower Assembly (complete W/ Motor) 10-10 980-0268

#NI

All parts diagram

Blower assembly (complete w/ motor) 10-10

Part #980-0268

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

Oil Burner - Nozzle, 0.090-60 Degrees 25-2330

#NI

All parts diagram

Oil burner - nozzle, 0.090-60 degrees

Part #25-2330

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

Burner Mounting Plate Asm. 975-2120
#20

Replacement parts diagram

Burner mounting plate asm.

Part #975-2120

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

Panel - Top Assembly 306-1100
#10C

Replacement parts diagram

Panel - top assembly

Part #306-1100

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

Motor Pulley 20-1521
#49C

Replacement parts diagram

Motor pulley

Part #20-1521

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

Blower Assembly (complete W/ Motor) 10-8 980-0178

#NI

All parts diagram

Blower assembly (complete w/ motor) 10-8

Part #980-0178

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

Access Door - Stop 251-2746
#33

Replacement parts diagram

Access door - stop

Part #251-2746

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

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