Tecumseh
Lawn & Garden Engine

Model # LH318SA-156554G Official Tecumseh engine

Here are the diagrams and repair parts for Official Tecumseh LH318SA-156554G 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

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 198 parts  |

Needle Valve 631021A
#30

Carburetor 640309 diagram

Needle valve

Part #631021A

Replaced by #631021B

?
Manufacturer substitution
This part replaces 631021A. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$9.50
10% OFF Phone Price : $10.50
In Stock
Troybilt Lawn & Garden Equipment Engine Carburetor Rebuild Kit (replaces 632760a, 632809) 632760B
#60

Carburetor 640309 diagram

Troybilt lawn & garden equipment engine carburetor rebuild kit (replaces 632760a, 632809)

Part #632760B

BEST SELLER
$22.91
21% OFF Phone Price : $28.91
In Stock
Craftsman Lawn & Garden Equipment Engine Carburetor (replaces 640052, 640054) 640349
Craftsman lawn & garden equipment engine carburetor (replaces 640052, 640054)

Part #640349

BEST SELLER
$66.60
8% OFF Phone Price : $72.60
In Stock
Gasket 27110
#44

Carburetor 640309 diagram

Gasket

Part #27110

Replaced by #27110A

?
Manufacturer substitution
This part replaces 27110. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Snowblower Ignition Key (replaces 35593, Tc-35062) 35062
#328

Cylinder/crankshaft/fuel tank diagram

Snowblower ignition key (replaces 35593, tc-35062)

Part #35062

BEST SELLER
This item is not returnable
$4.09
20% OFF Phone Price : $5.09
Back Order
Craftsman Lawn & Garden Equipment Engine Fuel Tank Cap (replaces 35355, 35650) 37845
#301

Cylinder/crankshaft/fuel tank diagram

Craftsman lawn & garden equipment engine fuel tank cap (replaces 35355, 35650)

Part #37845

BEST SELLER
$9.59
9% OFF Phone Price : $10.59
In Stock
Cook Top Side Trim Kit Lawn & Garden Equipment Engine Air Filter (replaces 28424l) 28424
#171

Cylinder/crankshaft/fuel tank diagram

Cook top side trim kit lawn & garden equipment engine air filter (replaces 28424l)

Part #28424

This item is not returnable
$4.14
19% OFF Phone Price : $5.14
In Stock
Lawn & Garden Equipment Engine Throttle Control Knob 35440
#215

Cylinder/crankshaft/fuel tank diagram

Lawn & garden equipment engine throttle control knob

Part #35440

This item is not returnable
$4.14
19% OFF Phone Price : $5.14
In Stock
Cook Top Side Trim Kit Lawn & Garden Equipment Engine Carburetor Manifold Gasket 33263
#184

Cylinder/crankshaft/fuel tank diagram

Cook top side trim kit lawn & garden equipment engine carburetor manifold gasket

Part #33263

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
El Start Kit 33329D
El start kit

Part #33329D

Replaced by #33329H

?
Manufacturer substitution
This part replaces 33329D. Substitute parts can look different from the original.
$203.45
6% OFF Phone Price : $215.45
In Stock

Repair guides for side-by-side refrigerators

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

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

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

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

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.…