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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
Lawn & Garden Equipment Engine Screw 813-0108
#16

Governor, starter charging alternator & blower housing group diagram

Lawn & garden equipment engine screw

Part #813-0108

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

Brush 191-1041

#NI

All parts diagram

Brush

Part #191-1041

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

Stud 520-0820
#41

Cylinder block group diagram

Stud

Part #520-0820

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

Bearing 101-0450-30
#15E

Cylinder block group diagram

Bearing

Part #101-0450-30

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

Plug 502-0080
#33

Gear cover, oil base and oil pump group diagram

Plug

Part #502-0080

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

Clip 870-0278
#11

Governor, starter charging alternator & blower housing group diagram

Clip

Part #870-0278

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

Valve Insert 110-1824-05
#28C

Cylinder block group diagram

Valve insert

Part #110-1824-05

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

Symptoms for gas cooktops

Why won't my cooktop's gas burners ignite or spark?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure, lack of …

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Why isn't my cooktop's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, burner valve failure…

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Why do my cooktop's spark igniters keep clicking?

Main causes: stuck burner igniter switch, wet igniter switch contacts, faulty spark module…

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Repair guides for gas cooktops

How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

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Repair difficulty
Time required
 45 minutes or less
How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need.…

Read more
Repair difficulty
Time required
 30 minutes or less

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