Lauson
Lawn & Garden Engine

Model # H22J-2038P Official Lauson 4-cycle engine

Here are the diagrams and repair parts for Official Lauson H22J-2038P 4-cycle 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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ALL PARTS
Showing 10 of 185 parts  |

Fuel Line 29774
#118

Basic engine diagram

Fuel line

Part #29774

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

Plug 27625
#25

Basic engine diagram

Plug

Part #27625

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

Spring Retainer 630731
#25

Carburetor no.30146 (power products no. 0234-16) diagram

Spring retainer

Part #630731

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

Screw 28820
#80

Basic engine diagram

Screw

Part #28820

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

Diaphragm 630749
#22

Carburetor no.30146 (power products no. 0234-16) diagram

Diaphragm

Part #630749

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

Screw 28403
Screw

Part #28403

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

Spring 630735
#8

Carburetor no.30146 (power products no. 0234-16) diagram

Spring

Part #630735

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

Washer 630739
#12

Carburetor no.30146 (power products no. 0234-16) diagram

Washer

Part #630739

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

Cover 630751
#23

Carburetor no.30146 (power products no. 0234-16) diagram

Cover

Part #630751

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

Ring 20381
#16

Basic engine diagram

Ring

Part #20381

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

Symptoms for gas snowblowers

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Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

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Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Repair guides for gas snowblowers

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

How to replace a snowblower fuel filter

How to replace a snowblower fuel filter

Replace the fuel filter on your snowblower if it's clogged or damaged.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower shave plate

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower chute control gearbox assembly

How to replace a snowblower chute control gearbox assembly

Replace the chute control gearbox on your snowblower if it's stripped or damaged.…

Repair difficulty
Time required
 15 minutes or less

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

Use the advice and tips in these articles and videos to get the most out of your snowblower.

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Top questions about Sears and Sears PartsDirect

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

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What are the main components of a lawn mower?

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