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 # OU-100-B4 Official Amana oil-fired upflow furnace - ou series a

Here are the diagrams and repair parts for Official Amana OU-100-B4 oil-fired upflow furnace - ou series a, 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 184 parts  |
Blower Assembly With Motor (dd) 10-10 980-0257
Blower assembly with motor (dd) 10-10

Part #980-0257

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

Blower Assembly (complete W/ Motor) 10-8d 980-0184
#31C

Renewal parts diagram

Blower assembly (complete w/ motor) 10-8d

Part #980-0184

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

Blower Access Door Assembly 460-2460
#9D

Renewal parts diagram

Blower access door assembly

Part #460-2460

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

Oil Burner - Nozzle, 0.70-80 Degrees 25-2460
#23A

Renewal parts diagram

Oil burner - nozzle, 0.70-80 degrees

Part #25-2460

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

Control - Transformer M-h At87a1015 21-0100

#NI

All parts diagram

Control - transformer m-h at87a1015

Part #21-0100

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

Fire Box 25-0103

#NI

All parts diagram

Fire box

Part #25-0103

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

Top Front Panel Assembly 458-1110
#7B

Renewal parts diagram

Top front panel assembly

Part #458-1110

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

Base Assembly 458-4000
#1B

Renewal parts diagram

Base assembly

Part #458-4000

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

Blower Motor W/48 Frame 1/3 H.p. 316p011 20-9130
#41D

Renewal parts diagram

Blower motor w/48 frame 1/3 h.p. 316p011

Part #20-9130

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

Blower Bearing (2 Req'd) 3/4" Lau 7114 20-5030

#NI

All parts diagram

Blower bearing (2 req'd) 3/4" lau 7114

Part #20-5030

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

Symptoms for gas ranges

Why won't my range's gas burner spark or ignite?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Read more

Why isn't my range's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Read more

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a range spark igniter electrode

How to replace a range spark igniter electrode

Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel 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