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Onan
Lawn & Garden Engine

Model # B48G-GA018/3475A Official Onan engine

Here are the diagrams and repair parts for Official Onan B48G-GA018-3475A 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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ALL PARTS
Showing 10 of 262 parts  |
Filter 122-0338
#15

Oil system group diagram

Filter

Part #122-0338

Replaced by #52-050-02-S1

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Manufacturer substitution
This part replaces 122-0338. Substitute parts can look different from the original.
BEST SELLER
$14.24 | 
12% OFF Phone Price : $16.24
In Stock
Pre-clner 140-1259
#3

Full system group diagram

Pre-clner

Part #140-1259

Replaced by #45-083-01-S

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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 526-0214
#10

Blower housing and governor group diagram

Flat washer

Part #526-0214

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

Flat Washer 526-0018
#39

Cylinder block group diagram

Flat washer

Part #526-0018

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

Tune-up Kit 160-1213
Tune-up kit

Part #160-1213

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

Screw 815-0261
#2

Blower housing and governor group diagram

Screw

Part #815-0261

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

Screw 800-0545
#11B

Gearcase, charging stator, breaker box and ignition group diagram

Screw

Part #800-0545

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

Breathr Tube 123-1277
#14

Full system group diagram

Breathr tube

Part #123-1277

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

Spacer 150-1257
#5

Piston, rod, camshaft, crankshaft and flywheel group diagram

Spacer

Part #150-1257

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

Flat Washer, Copper (21/64" I.d. X 9/16" O.d. X 1/16" Thick) 626-0065
#12

Oil system group diagram

Flat washer, copper (21/64" i.d. x 9/16" o.d. x 1/16" thick)

Part #626-0065

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

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 15 minutes or less

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