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Onan
Lawn & Garden Engine

Model # BG-MS2980A Official Onan engine

Here are the diagrams and repair parts for Official Onan BG-MS2980A 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 267 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

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

Flat Washer 526-0214
#3

Governor, starter, charging alternator & blower housing grp. diagram

Flat washer

Part #526-0214

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

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
Screw 802-0034
#8

Ignition group diagram

Screw

Part #802-0034

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

Support 167-0188
#14

Governor, starter, charging alternator & blower housing grp. diagram

Support

Part #167-0188

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

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

.005" Oversize 110-0143-05
#11B

Crankshaft, flyweel, camshaft and piston group diagram

.005" oversize

Part #110-0143-05

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

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