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-112-4 Official Amana oil furnace

Here are the diagrams and repair parts for Official Amana OSCH-112-4 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  |
Filter Rack Back Assembly B9236401
#2C

Replacement parts diagram

Filter rack back assembly

Part #B9236401

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

Flue Collar Gasket B9210702
#10B

Replacement parts diagram

Flue collar gasket

Part #B9210702

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

Disposable Filter, 20 X 20 X 1 C9401805
#3A

Replacement parts diagram

Disposable filter, 20 x 20 x 1

Part #C9401805

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

Blower Barrier Assembly C9427501
#23B

Replacement parts diagram

Blower barrier assembly

Part #C9427501

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

Rear Blower Compartment Panel C9429102
#34B

Replacement parts diagram

Rear blower compartment panel

Part #C9429102

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

Corner Post Assembly B9237603
#5C

Replacement parts diagram

Corner post assembly

Part #B9237603

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

Rear Panel Assembly B9233303
#32C

Replacement parts diagram

Rear panel assembly

Part #B9233303

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

Blower Wheel, 9 X 8, 3009108 M0875102
#36B

Replacement parts diagram

Blower wheel, 9 x 8, 3009108

Part #M0875102

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

Filter Rack Side Assembly C9428401
#1C

Replacement parts diagram

Filter rack side assembly

Part #C9428401

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

Heat Exchanger And Combustion Chamber Assembly D9607801
#24A

Replacement parts diagram

Heat exchanger and combustion chamber assembly

Part #D9607801

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