Lawn & Garden Engine

Model # BG-MS/3344A Official Onan engine

Here are the diagrams and repair parts for Official Onan BG-MS/3344A 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
BG-MS/3344A Engine
Element 140-1216
#13

Fuel system group diagram

Element

Part #140-1216

Replaced by #45-083-02-S

?
Manufacturer substitution
This part replaces 140-1216. Substitute parts can look different from the original.
This item is not returnable
$25.09 | 
19% OFF Phone Price : $31.09
Back Order
Pre-clner 140-1259
#20

Fuel system group diagram

Pre-clner

Part #140-1259

Replaced by #45-083-01-S

?
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
Back Order
Flat Washer 526-0214
#28

Gov starter, charging alternator & blower housing group diagram

Flat washer

Part #526-0214

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

Lead Assembly 336-2132
Lead assembly

Part #336-2132

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

Lawn & Garden Equipment Engine Carburetor Rebuild Kit 142-0570

#NI

All 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

Dust Cover 191-1034
#1

Starter parts group diagram

Dust cover

Part #191-1034

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

Insert 110-0197-02
Insert

Part #110-0197-02

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

Piston Pin 112-0143-40
#11F

Crankshaft, flywheel, camshaft and piston group diagram

Piston pin

Part #112-0143-40

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

Rod Assembly 114-0247-20
#14C

Crankshaft, flywheel, camshaft and piston group diagram

Rod assembly

Part #114-0247-20

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

Clip 518-0176
#14

Gov starter, charging alternator & blower housing group diagram

Clip

Part #518-0176

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

Symptoms for electric water heaters

Main causes: excessive tank sediment, high voltage supply…

Main causes: thermostats need adjustment, bad heating elements, faulty thermostats, tank sediment build-up, broken dip t…

Repair guides for electric water heaters

How to replace a water heater element

How to replace a water heater element

If your water heater runs out of hot water quickly and one of the two heating elements has failed, replace the element f…

Repair difficulty
Time required
 30 minutes or less
How to replace an electric water heater anode rod

How to replace an electric water heater anode rod

If your hot water begins to smell like rotten eggs, replace the anode rod with a zinc-aluminum anode rod following the i…

Repair difficulty
Time required
 15 minutes or less
How to replace an electric water heater thermostat

How to replace an electric water heater thermostat

If the water temperature fluctuates or you don't get enough hot water, follow these instructions to replace your water h…

Repair difficulty
Time required
 30 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.…