Onan
Lawn & Garden Engine

Model # 110-3424-02 Official Onan short block

Here are the diagrams and repair parts for Official Onan 110-3424-02 short block, 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

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This is the number corresponding to the part on the diagram / schematic

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ALL PARTS
Showing 10 of 687 parts  |

Filter 122-0645
#7A

Oil filter diagram

Filter

Part #122-0645

Replaced by #52-050-02-S1

?
Manufacturer substitution
This part replaces 122-0645. Substitute parts can look different from the original.
BEST SELLER
$14.24
12% OFF Phone Price : $16.24
In Stock
Filter 122-0323
#7B

Oil filter diagram

Filter

Part #122-0323

Replaced by #52-050-02-S1

?
Manufacturer substitution
This part replaces 122-0323. Substitute parts can look different from the original.
BEST SELLER
$14.24
12% OFF Phone Price : $16.24
In Stock
Filter 149-2206-01
#9B

Fuel pump and filter diagram

Filter

Part #149-2206-01

Replaced by #84001895

?
Manufacturer substitution
This part replaces 149-2206-01. Substitute parts can look different from the original.
BEST SELLER
$9.31
10% OFF Phone Price : $10.31
In Stock
Filter 149-2206-02
#9A

Fuel pump and filter diagram

Filter

Part #149-2206-02

Replaced by #84001895

?
Manufacturer substitution
This part replaces 149-2206-02. Substitute parts can look different from the original.
BEST SELLER
$9.31
10% OFF Phone Price : $10.31
In Stock
Hose 503-1199
#10

Fuel pump and filter diagram

Hose

Part #503-1199

Replaced by #30962

?
Manufacturer substitution
This part replaces 503-1199. Substitute parts can look different from the original.
This item is not returnable
$6.76
13% OFF Phone Price : $7.76
In Stock
Fuel Hose 503-1577
#16B

Fuel system gasoline (down draft) diagram

Fuel hose

Part #503-1577

Replaced by #30962

?
Manufacturer substitution
This part replaces 503-1577. Substitute parts can look different from the original.
This item is not returnable
$6.76
13% OFF Phone Price : $7.76
In Stock
Screw 800-0026
#6

Exhaust system diagram

Screw

Part #800-0026

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

Hex Nut 870-0399
#5

Air cleaner diagram

Hex nut

Part #870-0399

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

Flat Washer 526-0122
Flat washer

Part #526-0122

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

Lock 5/16" - Code 21bj, 21bk, 21bw 850-0045
Lock 5/16" - code 21bj, 21bk, 21bw

Part #850-0045

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

Symptoms for top-mount refrigerators

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Repair guides for top-mount refrigerators

How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less
How to replace the compressor run capacitor in a top-freezer refrigerator

How to replace the compressor run capacitor in a top-freezer refrigerator

The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa…

Repair difficulty
Time required
 15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

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.…

What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…

Onan
Lawn & Garden Engine

Model # 110-3424-02 Official Onan short block

Here are the diagrams and repair parts for Official Onan 110-3424-02 short block, as well as links to manuals and error code tables, if available.

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 687 parts  |

Filter 122-0645
#7A

Oil filter diagram

Filter

Part #122-0645

Replaced by #52-050-02-S1

?
Manufacturer substitution
This part replaces 122-0645. Substitute parts can look different from the original.
BEST SELLER
$14.24
12% OFF Phone Price : $16.24
In Stock
Filter 122-0323
#7B

Oil filter diagram

Filter

Part #122-0323

Replaced by #52-050-02-S1

?
Manufacturer substitution
This part replaces 122-0323. Substitute parts can look different from the original.
BEST SELLER
$14.24
12% OFF Phone Price : $16.24
In Stock
Filter 149-2206-01
#9B

Fuel pump and filter diagram

Filter

Part #149-2206-01

Replaced by #84001895

?
Manufacturer substitution
This part replaces 149-2206-01. Substitute parts can look different from the original.
BEST SELLER
$9.31
10% OFF Phone Price : $10.31
In Stock
Filter 149-2206-02
#9A

Fuel pump and filter diagram

Filter

Part #149-2206-02

Replaced by #84001895

?
Manufacturer substitution
This part replaces 149-2206-02. Substitute parts can look different from the original.
BEST SELLER
$9.31
10% OFF Phone Price : $10.31
In Stock
Hose 503-1199
#10

Fuel pump and filter diagram

Hose

Part #503-1199

Replaced by #30962

?
Manufacturer substitution
This part replaces 503-1199. Substitute parts can look different from the original.
This item is not returnable
$6.76
13% OFF Phone Price : $7.76
In Stock
Fuel Hose 503-1577
#16B

Fuel system gasoline (down draft) diagram

Fuel hose

Part #503-1577

Replaced by #30962

?
Manufacturer substitution
This part replaces 503-1577. Substitute parts can look different from the original.
This item is not returnable
$6.76
13% OFF Phone Price : $7.76
In Stock
Screw 800-0026
#6

Exhaust system diagram

Screw

Part #800-0026

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

Hex Nut 870-0399
#5

Air cleaner diagram

Hex nut

Part #870-0399

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

Flat Washer 526-0122
Flat washer

Part #526-0122

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

Lock 5/16" - Code 21bj, 21bk, 21bw 850-0045
Lock 5/16" - code 21bj, 21bk, 21bw

Part #850-0045

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

Symptoms for top-mount refrigerators

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Repair guides for top-mount refrigerators

How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less
How to replace the compressor run capacitor in a top-freezer refrigerator

How to replace the compressor run capacitor in a top-freezer refrigerator

The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa…

Repair difficulty
Time required
 15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

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.…

What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…