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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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

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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
Gasket 101-0415
#17

Cylinder block group diagram

Gasket

Part #101-0415

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

Cap Screw 800-0056
#37

Gear cover, oil base and oil pump group diagram

Cap screw

Part #800-0056

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

Lock Washer 853-0013
#27

Fuel system group diagram

Lock washer

Part #853-0013

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

Washer 526-0066
Washer

Part #526-0066

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

Ring 113-0186-30
#15E

Crankshaft, flywheel, camshaft and piston group diagram

Ring

Part #113-0186-30

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

Breather Tube 123-1277
#14

Cylinder block group diagram

Breather tube

Part #123-1277

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

Washer 191-1046
#3

Starter parts group diagram

Washer

Part #191-1046

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

Plate 142-0552
#26

Carburetor parts group diagram

Plate

Part #142-0552

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

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