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Onan
Lawn & Garden Engine

Model # B48G-GA020/3858C Official Onan gas engine

Here are the diagrams and repair parts for Official Onan B48G-GA020-3858C 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 297 parts  |
Line 503-0874
#38

Fuel system diagram

Line

Part #503-0874

Replaced by #30962

?
Manufacturer substitution
This part replaces 503-0874. Substitute parts can look different from the original.
This item is not returnable
$6.76 | 
13% OFF Phone Price : $7.76
In Stock
Plug 167-0291
#9

Ignition diagram

Plug

Part #167-0291

Replaced by #909

?
Manufacturer substitution
This part replaces 167-0291. Substitute parts can look different from the original.
This item is not returnable
$5.40
In Stock
Lock Washer 850-0030
#4

Flywheel alternator - 15 ampere diagram

Lock washer

Part #850-0030

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

Bearing 101-0432
#15A

Cylinder block diagram

Bearing

Part #101-0432

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

Valve Insert 110-1824-05
#13C

Cylinder block diagram

Valve insert

Part #110-1824-05

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

Lawn & Garden Equipment Engine Washer 526-0140
#51

Fuel system diagram

Lawn & garden equipment engine washer

Part #526-0140

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

Adapter, Governor Arm 150-1754
#17

Governor diagram

Adapter, governor arm

Part #150-1754

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

Bearing 101-0432-10
#15C

Cylinder block diagram

Bearing

Part #101-0432-10

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

Screw 802-0022
#1

Ignition breaker box diagram

Screw

Part #802-0022

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

Nut 1/4x20 865-0020
#1

Fuel system diagram

Nut 1/4x20

Part #865-0020

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

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