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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
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
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
Crankshaft Gear 104-0032
#7

Crankshaft, flywheel, camshaft and piston group diagram

Crankshaft gear

Part #104-0032

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

Valve 110-1808
#27A

Cylinder block group diagram

Valve

Part #110-1808

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

Manifold 154-1468
#4

Fuel system group diagram

Manifold

Part #154-1468

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

Lawn & Garden Equipment Engine Nut 166-0604
#19

Ignition group diagram

Lawn & garden equipment engine nut

Part #166-0604

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

Thrust Washer 104-0575
#16

Cylinder block group diagram

Thrust washer

Part #104-0575

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

Standard 115-0006
#24A

Cylinder block group diagram

Standard

Part #115-0006

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

Valve 123-1175
#3

Cylinder block group diagram

Valve

Part #123-1175

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

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