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 # 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  |
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

Blower Assembly (complete W/ Motor) 10-10 980-0269

#NI

All parts diagram

Blower assembly (complete w/ motor) 10-10

Part #980-0269

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

Motor Bracket - Support 20-5075
#53A

Replacement parts diagram

Motor bracket - support

Part #20-5075

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

Blower Assembly (less Motor - Belt - Drives) 980-1200

#NI

All parts diagram

Blower assembly (less motor - belt - drives)

Part #980-1200

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

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

Blower Motor, 4/10 321p078 20-9157
#48D

Replacement parts diagram

Blower motor, 4/10 321p078

Part #20-9157

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

Door - Vestibule Access Assembly 304-2700
#12A

Replacement parts diagram

Door - vestibule access assembly

Part #304-2700

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

Blower Motor, 1/6 319p456 20-9117
#48C

Replacement parts diagram

Blower motor, 1/6 319p456

Part #20-9117

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

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

View all

Why won't my gas line trimmer start?

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

Read more

Why does my gas line trimmer run rough?

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

Read more

Why does my gas line trimmer leak gas?

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

Read more

Repair guides for gas line trimmers

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

View all
How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your furnaces

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

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