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 # OSCH-112 Official Amana oil furnace

Here are the diagrams and repair parts for Official Amana OSCH-112 oil 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 121 parts  |
Motor Pulley - 1/2" C5252201
#40A

Replacement parts diagram

Motor pulley - 1/2"

Part #C5252201

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

Rear Panel Assembly B9233301
#32A

Replacement parts diagram

Rear panel assembly

Part #B9233301

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

Furnace Blower Compartment Door Front C9429502
#6B

Replacement parts diagram

Furnace blower compartment door front

Part #C9429502

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

Combustion Chamber Assembly Kit C9439001
#25A

Replacement parts diagram

Combustion chamber assembly kit

Part #C9439001

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

Insulation, 24 X 33 1/2 B9211715
Insulation, 24 x 33 1/2

Part #B9211715

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

Belt, 41" - 4l C5252410
#39C

Replacement parts diagram

Belt, 41" - 4l

Part #C5252410

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

Blower Mounting Slide Angle, Left And Right B9229501
#51A

Replacement parts diagram

Blower mounting slide angle, left and right

Part #B9229501

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

Motor, 1/3 H.p. M0304301
#41C

Replacement parts diagram

Motor, 1/3 h.p.

Part #M0304301

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

Front And Rear Left Gusset B9240305
#22E

Replacement parts diagram

Front and rear left gusset

Part #B9240305

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

Heat Exchanger And Combustion Chamber Assembly D9607901
#24B

Replacement parts diagram

Heat exchanger and combustion chamber assembly

Part #D9607901

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

Symptoms for electric ranges

Why doesn't my electric range's surface element heat properly?

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Read more

Should I replace a damaged glass cooktop?

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Read more

Repair guides for electric ranges

How to replace a range hidden bake element

How to replace a range hidden bake element

These step-by-step instructions guide you through replacing the oven hidden bake element in an electric range.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace an electric range oven door outer glass panel

How to replace an electric range oven door outer glass panel

Learn how to replace a damaged outer window panel on your oven door with these step-by-step instructions. …

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a range glass cooktop

How to replace a range glass cooktop

These step-by-step instructions explain how to replace a damaged ceramic glass cooktop on an electric range. …

Read more
Repair difficulty
Time required
 45 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