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 B48M-GA018 gas engine Parts

Here are the diagrams and repair parts for Onan B48M-GA018 gas engine, as well as links to manuals and error code tables, if available.

Onan B48M-GA018 gas engine
By Schematic
SELECT DIAGRAM
?

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

Browse Parts for B48M-GA018 Gas Engine

  • Lawn & Garden Equipment Engine Crankshaft Oil Seal for Onan B48M-GA018 - Part 509-0040

    Gearcase diagram

    Lawn & Garden Equipment Engine Crankshaft Oil Seal

    Part #509-0040

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

  • Spring for Onan B48M-GA018 - Part 142-0282

    Carburetor (with integral fuel pump) parts diagram

    Spring

    Part #142-0282

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

  • Bracket for Onan B48M-GA018 - Part 140-1313

    Fuel system diagram

    Bracket

    Part #140-1313

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

  • Crankshaft Gear for Onan B48M-GA018 - Part 104-0032

    Crankshaft and flywheel diagram

    Crankshaft Gear

    Part #104-0032

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

  • Plate for Onan B48M-GA018 - Part 142-0552

    Carburetor (with integral fuel pump) parts diagram

    Plate

    Part #142-0552

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

  • Retaining Ring for Onan B48M-GA018 - Part 150-0078

    Camshaft diagram

    Retaining Ring

    Part #150-0078

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

  • Screw for Onan B48M-GA018 - Part 800-0545

    Gearcase diagram

    Screw

    Part #800-0545

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

  • Key for Onan B48M-GA018 - Part 515-0103

    Crankshaft and flywheel diagram

    Key

    Part #515-0103

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

  • Lawn & Garden Equipment Engine Carburetor Rebuild Kit for Onan B48M-GA018 - Part 142-0570

    Carburetor (with integral fuel pump) parts diagram

    Lawn & Garden Equipment Engine Carburetor Rebuild Kit

    Part #142-0570

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

  • Lawn & Garden Equipment Engine Special Washer for Onan B48M-GA018 - Part 105-0541

    Camshaft diagram

    Lawn & Garden Equipment Engine Special Washer

    Part #105-0541

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

Symptoms for gas ranges

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Repair guides for gas ranges

How to replace a gas range oven igniter

How to replace a gas range oven igniter

If your gas oven doesn't heat up, the problem could be a faulty oven igniter. These step-by-step instructions guide you …

Repair time and Difficulty

 45 minutes or less
How to replace an oven temperature sensor on a gas range

How to replace an oven temperature sensor on a gas range

See how to replace an oven temperature sensor on a gas range.…

Repair time and Difficulty

 15 minutes or less
How to replace a gas range oven control board

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

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
Dryer
Electric Chainsaw
Electric Range
Front-Engine Lawn Tractor
Gas Range
Gas Walk-Behind Mower
Laundry Center
Parts
Side-By-Side Refrigerator
Slow Cooker
Washer