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Onan B48G-GA020/3858C gas engine Parts
Here are the diagrams and repair parts for Onan B48G-GA020/3858C gas engine, as well as links to manuals and error code tables, if available.
By Schematic
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Browse Parts for B48G-GA020/3858C Gas Engine
Crankshaft and flywheel diagram
Lawn & Garden Equipment Engine Flywheel Ring Gear
Part #104-0779
The manufacturer no longer makes this part, and there's no substitute part
Oil system diagram
Pump
Part #120-0491
The manufacturer no longer makes this part, and there's no substitute part
Flywheel alternator - 15 ampere diagram
Regulator
Part #191-1206
The manufacturer no longer makes this part, and there's no substitute part
Starter motor parts diagram
Starter
Part #191-1255
The manufacturer no longer makes this part, and there's no substitute part
Governor diagram
Clip
Part #518-0406
The manufacturer no longer makes this part, and there's no substitute part
Oil system diagram
Adapter
Part #122-0320
The manufacturer no longer makes this part, and there's no substitute part
Fuel system diagram
Deflector
Part #145-0521
The manufacturer no longer makes this part, and there's no substitute part
Gearcase diagram
Bearing, Governor Shaft
Part #510-0105
The manufacturer no longer makes this part, and there's no substitute part
Piston and rod diagram
Ring
Part #113-0189-20
The manufacturer no longer makes this part, and there's no substitute part
Ignition diagram
Lawn & Garden Equipment Engine Nut
Part #166-0604
The manufacturer no longer makes this part, and there's no substitute part
Symptoms for top-mount refrigerators
Main causes: frozen or clogged defrost drain tube, cracked water system tubing…
Repair guides for top-mount refrigerators
How to replace the light switch in a top-freezer refrigerator
The light switch turns the refrigerator light on and off and monitors door position. Replace the light switch if it does…
Repair time and Difficulty
15 minutes or less
How to replace the water inlet valve in a top-freezer refrigerator
The water inlet valve controls water flow to the ice maker. Replace the water valve if it doesn't open or shut properly.…
Repair time and Difficulty
15 minutes or less
How to replace the compressor run capacitor in a top-freezer refrigerator
The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa…
Repair time and Difficulty
15 minutes or less
Effective articles & videos to help repair your lawn & garden engines
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