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Onan
Lawn & Garden Engine

Model # BG-MS3272A Official Onan engine

Here are the diagrams and repair parts for Official Onan BG-MS3272A engine, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 263 parts  |
Pre-clner 140-1259
#20

Fuel system group diagram

Pre-clner

Part #140-1259

Replaced by #45-083-01-S

?
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
Flat Washer 526-0018
#5

Cylinder block group diagram

Flat washer

Part #526-0018

Replaced by #STD551025

?
Manufacturer substitution
This part replaces 526-0018. Substitute parts can look different from the original.
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Screw 815-0194
#31

Gear cover, oil base and oil pump group diagram

Screw

Part #815-0194

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

Roto Cap 110-0904
#23

Cylinder block group diagram

Roto cap

Part #110-0904

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

Bearing 101-0450
#15A

Cylinder block group diagram

Bearing

Part #101-0450

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

Scr Br Bx Cr 815-0358
#5

Ignition group diagram

Scr br bx cr

Part #815-0358

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

Gasket 142-0541
#12

Carburetor parts group diagram

Gasket

Part #142-0541

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

Screw 142-0064
#8

Carburetor parts group diagram

Screw

Part #142-0064

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

Drive Assembly 191-1036
#6

Starter parts group diagram

Drive assembly

Part #191-1036

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

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