Lauson
Lawn & Garden Engine

Model # H22H-1307T Official Lauson gas engine

Here are the diagrams and repair parts for Official Lauson H22H-1307T gas 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 188 parts  |

Plug 27625
#25

Basic engine diagram

Plug

Part #27625

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

Screw 28403
#28

Basic engine diagram

Screw

Part #28403

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

Screw 28820
#83

Basic engine diagram

Screw

Part #28820

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

Screw 28553
#48

Basic engine diagram

Screw

Part #28553

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

Gasket 27234
#38

Basic engine diagram

Gasket

Part #27234

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

Groove Pin 29783
#12

Basic engine diagram

Groove pin

Part #29783

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

Washer 28563
#55

Basic engine diagram

Washer

Part #28563

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

Screw 28547
#167

Basic engine diagram

Screw

Part #28547

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

Screw 29234
#73

Basic engine diagram

Screw

Part #29234

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

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 walk-behind lawn mower.

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.…