Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Onan B48G-GA020/3858C gas engine

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
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for B48G-GA020/3858C Gas Engine

  • Carburetor for Onan B48G-GA020/3858C - Part 146-0254

    Carburetor

    Part #146-0254

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

  • Choke Link for Onan B48G-GA020/3858C - Part 153-0500

    Fuel system diagram

    Choke Link

    Part #153-0500

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

  • Lawn & Garden Equipment Engine Intake Valve Seat for Onan B48G-GA020/3858C - Part 110-0197

    Cylinder block diagram

    Lawn & Garden Equipment Engine Intake Valve Seat

    Part #110-0197

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

  • Screw for Onan B48G-GA020/3858C - Part 146-0222

    Carburetor diagram

    Screw

    Part #146-0222

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

  • Insert for Onan B48G-GA020/3858C - Part 110-0197-02

    Cylinder block diagram

    Insert

    Part #110-0197-02

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

  • Nut for Onan B48G-GA020/3858C - Part 870-0257

    Fuel system diagram

    Nut

    Part #870-0257

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

  • Lawn & Garden Equipment Engine Nut for Onan B48G-GA020/3858C - Part 166-0604

    Ignition diagram

    Lawn & Garden Equipment Engine Nut

    Part #166-0604

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

  • Screw for Onan B48G-GA020/3858C - Part 800-0026

    Air housing diagram

    Screw

    Part #800-0026

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

  • O-ring for Onan B48G-GA020/3858C - Part 509-0142

    Oil system diagram

    O-ring

    Part #509-0142

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

  • Coil for Onan B48G-GA020/3858C - Part 166-0535

    Ignition diagram

    Coil

    Part #166-0535

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

Symptoms for upright freezers

Main causes: clogged or frozen defrost drain tube…

Repair guides for upright freezers

How to replace a freezer electronic control board

How to replace a freezer electronic control board

The electronic control board manages the compressor to control freezer temperature. Replace the control board using the…

Repair time and Difficulty

 45 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…

Repair time and Difficulty

 45 minutes or less
How to replace a freezer door switch

How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…

Parts & More

Bottom-Mount Refrigerator
Dishwasher
Downdraft Ventilation System
Dryer
Freestanding Freezer
Front-Engine Lawn Tractor
Gas Grill
Gas Range
Laundry Center
Parts
Riding Mowers & Tractors
Side-By-Side Refrigerator
Treadmill
Weight System