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Onan
Lawn & Garden Engine

Model # BG-MS3270A Official Onan engine

Here are the diagrams and repair parts for Official Onan BG-MS3270A 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 267 parts  |
Pre-clner 140-1259
#20

Fuel system 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 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
Stud 520-0820
#41

Cylinder block diagram

Stud

Part #520-0820

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

Lawn & Garden Equipment Engine Screw 813-0108
#17

Governor, starter charging alternator & blower housing grp. diagram

Lawn & garden equipment engine screw

Part #813-0108

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

Bushing 150-1269
#15

Governor, starter charging alternator & blower housing grp. diagram

Bushing

Part #150-1269

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

Ignition Base 160-1219
#11

Ignition group diagram

Ignition base

Part #160-1219

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

Valve Insert 110-1824-05
#28C

Cylinder block diagram

Valve insert

Part #110-1824-05

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

Lawn & Garden Equipment Engine Breather Tube 140-1169
#1

Fuel system diagram

Lawn & garden equipment engine breather tube

Part #140-1169

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

Lawn & Garden Equipment Engine Starter Assembly 191-0933
Lawn & garden equipment engine starter assembly

Part #191-0933

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

Lock 110-0639
#32

Cylinder block diagram

Lock

Part #110-0639

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

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