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 # OC100RA Official Amana oil-fired counterflow furnace

Here are the diagrams and repair parts for Official Amana OC100RA 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 Blower 304-4862
#38B

Replacement parts diagram

Base blower

Part #304-4862

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

Door - Access Assembly 306-5400
#8C

Replacement parts diagram

Door - access assembly

Part #306-5400

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

Oil Burner Relay (m-h R8184b1188) 21-0833
#31

Replacement parts diagram

Oil burner relay (m-h r8184b1188)

Part #21-0833

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

Oil Burner - Wayne S/s - Plus Cell; Note 1 - For Complet 25-2302
#26B

Replacement parts diagram

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

Part #25-2302

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

Panel - Top Assembly 305-1100
#10B

Replacement parts diagram

Panel - top assembly

Part #305-1100

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

Panel - Lower Vestibule 305-5050
#5B

Replacement parts diagram

Panel - lower vestibule

Part #305-5050

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

Furnace Blower Wheel 20-5045
#41C

Replacement parts diagram

Furnace blower wheel

Part #20-5045

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

Furnace Blower Motor 20-9110
#48A

Replacement parts diagram

Furnace blower motor

Part #20-9110

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