Lawn & Garden Engine

Model # BG-MS/3344A Official Onan engine

Here are the diagrams and repair parts for Official Onan BG-MS/3344A engine, as well as links to manuals and error code tables, if available.

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

Browse Parts for
BG-MS/3344A Engine
Pre-clner 140-1259
#20

Fuel system group diagram

Pre-clner

Part #140-1259

Replaced by #45-083-01-S

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Manufacturer substitution
This part replaces 140-1259. Substitute parts can look different from the original.
This item is not returnable
$7.29
12% OFF Phone Price : $8.29
In Stock
Element 140-1216
#13

Fuel system group diagram

Element

Part #140-1216

Replaced by #45-083-02-S

?
Manufacturer substitution
This part replaces 140-1216. Substitute parts can look different from the original.
This item is not returnable
$25.09
19% OFF Phone Price : $31.09
In Stock
Gear Cam 105-0332
Gear cam

Part #105-0332

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

Screw 815-0377
#19

Fuel system group diagram

Screw

Part #815-0377

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

Clip 518-0176
#14

Gov starter, charging alternator & blower housing group diagram

Clip

Part #518-0176

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

Screw 800-0023
#17

Fuel system group diagram

Screw

Part #800-0023

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

Cylinder Block 110-2397
#1

Cylinder block group (for model bg-ms/3344a only) diagram

Cylinder block

Part #110-2397

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

Base 102-0741
#15A

Gear cover, oil base and oil pump group diagram

Base

Part #102-0741

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

Machine Screw 815-0046
#5

Gear cover, oil base and oil pump group diagram

Machine screw

Part #815-0046

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

Lawn & Garden Equipment Engine Carburetor Needle Valve 142-0549
#23

Carburetor parts group diagram

Lawn & garden equipment engine carburetor needle valve

Part #142-0549

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

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