Onan
Lawn & Garden Engine

Model # B48G-GA018/3633A Official Onan engine

Here are the diagrams and repair parts for Official Onan B48G-GA018-3633A engine, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 247 parts  |

Pre-clner 140-1259
#20

Fuel system 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
In Stock
Element 140-1216
#13

Fuel system 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
In Stock
Lawn & Garden Equipment Engine Pump Body Gasket 142-0542
#13

Carburetor parts diagram

Lawn & garden equipment engine pump body gasket

Part #142-0542

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

Gasket 102-0693
#13

Gear cover oil base and oil pump group diagram

Gasket

Part #102-0693

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

Yoke 150-1187
#4

Gear cover oil base and oil pump group diagram

Yoke

Part #150-1187

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

Screw 142-0540
#11

Carburetor parts diagram

Screw

Part #142-0540

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

Scr Br Bx Cr 815-0358
#5

Ignition diagram

Scr br bx cr

Part #815-0358

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

Screw 800-0541
#39B

Cylinder block diagram

Screw

Part #800-0541

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

Screw 800-0545
#38A

Gear cover oil base and oil pump group diagram

Screw

Part #800-0545

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

Washer 526-0066
Washer

Part #526-0066

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

Symptoms for table saws

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Main causes: worn motor brushes, faulty drive motor, using an improper extension cord…

Main causes: lack of power, broken on/off switch, bad motor overload, broken power cord, bad drive motor…

Main causes: saw dust build up, blade elevating and tilting mechanisms need lubrication…

Main causes: blade alignment needs adjustment, worn blade, bevel positive stops need adjustments, bevel pointer needs ad…

Main causes: worn motor brushes, bad drive motor, faulty overload switch, using an improper extension cord, binding saw …

Main causes: dirty saw blade, dull or damaged saw blade, blade alignment needs adjustment…

Repair guides for table saws

These step-by-step repair guides will help you safely fix what’s broken on your table saw.

How to adjust a table saw blade

How to adjust a table saw blade

If the table saw isn’t cutting parallel to the miter gauge groove, adjust the cutting blade following the instructions i…

Repair difficulty
Time required
 30 minutes or less
How to replace a table saw drive motor

How to replace a table saw drive motor

You can replace a table saw drive motor that is weak or won't run. Here’s how.…

Repair difficulty
Time required
 45 minutes or less
How to replace a table saw blade

How to replace a table saw blade

If the table saw blade is dull or damaged, use these simple steps to replace it.…

Repair difficulty
Time required
 15 minutes or less

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

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