Model # B43M-GA016 Official Onan engine

Here are the diagrams and repair parts for Official Onan B43M-GA016 engine, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

Click a diagram to see the parts shown on that diagram.
In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 277 parts |

Fuel system diagram

Element

Part #140-1216

Replaced by #45-083-02-S

This item is not returnable

$25.09 |

19% OFF Phone Price : $31.09

In Stock

Qty

#39

Cylinder block diagram

Flat washer

Part #526-0018

Replaced by #STD551025

This item is not returnable

$2.49 |

29% OFF Phone Price : $3.49

In Stock

Qty

#17

Carburetor (with integral fuel pump) (142-0660) diagram

Spring

Part #142-0282

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

Camshaft diagram

Cup, governor

Part #150-1520

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

Crankshaft and fylwheel diagram

Screen

Part #134-3920

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

#15B

Cylinder block diagram

Bearing

Part #101-0432-02

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

#10

Carburetor (with integral fuel pump) (142-0660) diagram

Screw

Part #142-0539

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

Fuel system diagram

Housing

Part #140-1213

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

#1B

Cylinder block diagram

Block kit

Part #110-3151

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

Repair guides for side-by-side refrigerators

How to replace an ice dispenser motor in a side-by-side refrigerator

If your side-by-side refrigerator isn’t churning out ice, replacing the motor could fix the problem. These steps explain…

Repair difficulty

Time required

45 minutes or less

How to replace a defrost heater in a side-by-side refrigerator

If frost is building up in the freezer of your side-by-side refrigerator, the defrost heater could be faulty. Follow the…

Repair difficulty

Time required

45 minutes or less

How to replace an evaporator fan motor in a side-by-side refrigerator

If your refrigerator isn't as cold as it should be, it could be that the evaporator fan motor isn't circulating air. Thi…

Repair difficulty

Time required

60 minutes or less

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

View all

Top questions about Sears and Sears PartsDirect

What are the main components of a lawn mower?

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

Model # B43M-GA016 Official Onan engine

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Repair guides for side-by-side refrigerators

How to replace an ice dispenser motor in a side-by-side refrigerator

How to replace a defrost heater in a side-by-side refrigerator

How to replace an evaporator fan motor in a side-by-side refrigerator

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

Top questions about Sears and Sears PartsDirect

What are the main components of a lawn mower?

Parts & More

Stay Connected

Quick links

Let us help you

More resources