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  |
Left Side Panel Assembly 459-3000
#3C

Renewal parts diagram

Left side panel assembly

Part #459-3000

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

Left Side Panel Assembly 458-3000
#3B

Renewal parts diagram

Left side panel assembly

Part #458-3000

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

Filter Hold Down 990-0185

#NI

All parts diagram

Filter hold down

Part #990-0185

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

Air Filter (2 Req.) 16x20x1 Disposable 22-1130

#NI

All parts diagram

Air filter (2 req.) 16x20x1 disposable

Part #22-1130

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

Blower Pulley 7 X 3/4 20-1560
Blower pulley 7 x 3/4

Part #20-1560

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

Adjustable Tail Piece Assembly 980-0040

#NI

All parts diagram

Adjustable tail piece assembly

Part #980-0040

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

Motor - Belt Drive 1/2 H.p. 316p301; For Units Manufactu 20-9193
Motor - belt drive 1/2 h.p. 316p301; for units manufactu

Part #20-9193

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

Blower Assembly (less Motor-belt Drive) 980-1202
#31A

Renewal parts diagram

Blower assembly (less motor-belt drive)

Part #980-1202

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

Right Side Panel Assembly 460-3100
#2D

Renewal parts diagram

Right side panel assembly

Part #460-3100

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

Repair guides for front-engine lawn tractors

How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace the brake interlock switch on a riding lawn mower

How to replace the brake interlock switch on a riding lawn mower

If the engine won’t start even though the brake is on, the brake interlock switch could be at fault. Here’s how to repla…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

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