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Onan
Lawn & Garden Engine

Model # B48M-GA018 Official Onan gas engine

Here are the diagrams and repair parts for Official Onan B48M-GA018 gas 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  |
Filter 122-0338
#15

Oil system diagram

Filter

Part #122-0338

Replaced by #52-050-02-S1

?
Manufacturer substitution
This part replaces 122-0338. Substitute parts can look different from the original.
BEST SELLER
$14.67 | 
12% OFF Phone Price : $16.67
In Stock
Element 140-1216
#4

Fuel system 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
Plug 167-0298
#9

Ignition diagram

Plug

Part #167-0298

Replaced by #857

?
Manufacturer substitution
This part replaces 167-0298. Substitute parts can look different from the original.
This item is not returnable
$6.46
In Stock
Valve 110-2368
#28

Cylinder block diagram

Valve

Part #110-2368

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

Scr Br Bx Cr 815-0358
#5

Ignition breaker box diagram

Scr br bx cr

Part #815-0358

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

Screen 134-3920
#6

Crankshaft and flywheel diagram

Screen

Part #134-3920

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

Gasket 110-0068
#17

Cylinder block diagram

Gasket

Part #110-0068

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

Oil Governor Shaft Seal 509-0008
#7

Gearcase diagram

Oil governor shaft seal

Part #509-0008

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

Diaphragm 142-0555
#15

Carburetor (with integral fuel pump) parts diagram

Diaphragm

Part #142-0555

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

Shroud 134-3563
#8

Air housing diagram

Shroud

Part #134-3563

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

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