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Onan
Lawn & Garden Engine

Model # BF-MS/3394F Official Onan engine

Here are the diagrams and repair parts for Official Onan BF-MS-3394F 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 233 parts  |
Pre-clner 140-1259
#21

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
Washer 526-0113
Washer

Part #526-0113

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

Lock 5/16" - Code 21bj, 21bk, 21bw 850-0045
Lock 5/16" - code 21bj, 21bk, 21bw

Part #850-0045

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
Flat Washer 526-0122
#7

Cylinder block group diagram

Flat washer

Part #526-0122

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

Flat Washer 526-0214
#26

Governor, starter, alternator and air housing group diagram

Flat washer

Part #526-0214

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

Ball 510-0014
#26

Oil system and gearcase assembly diagram

Ball

Part #510-0014

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

Support 167-0188
#31

Governor, starter, alternator and air housing group diagram

Support

Part #167-0188

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

Bypass Spring 120-0140
#8

Oil system and gearcase assembly diagram

Bypass spring

Part #120-0140

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

Cap Screw 191-1220
#12

Starter motor parts group diagram

Cap screw

Part #191-1220

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

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