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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
Flat Washer 526-0018
Flat washer

Part #526-0018

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

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
Bearing 115-0006-05
#27C

Cylinder block diagram

Bearing

Part #115-0006-05

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 800-0552
#2

Starter motor parts diagram

Screw

Part #800-0552

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

Dust Cover 191-1034
#6

Starter motor parts diagram

Dust cover

Part #191-1034

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

Housing 134-3803
#3

Air housing diagram

Housing

Part #134-3803

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

Screw 815-0519
#4

Crankshaft and flywheel diagram

Screw

Part #815-0519

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

Air Intake Tube 140-1661
#11

Fuel system diagram

Air intake tube

Part #140-1661

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

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