Tecumseh
Lawn & Garden Engine

Model # LH318SA-156554H Official Tecumseh engine

Here are the diagrams and repair parts for Official Tecumseh LH318SA-156554H 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 201 parts  |

Lawn Mower O-ring 631028
#29

Carburetor diagram

Lawn mower o-ring

Part #631028

Replaced by #631028A

?
Manufacturer substitution
This part replaces 631028. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
Back Order
Needle Valve 631021A
#30

Carburetor 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 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
Lawn & Garden Equipment Engine Recoil Starter Rope, 98-in (replaces 1258, 28288, 28358, 28528, 30971, 31285, 31395, 31396, 31696, 590451a, 590456, 590527, 730608, 740032) 590535
#5

590733 rewind starter diagram

Lawn & garden equipment engine recoil starter rope, 98-in (replaces 1258, 28288, 28358, 28528, 30971, 31285, 31395, 31396, 31696, 590451a, 590456, 590527, 730608, 740032)

Part #590535

BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Troybilt Lawn & Garden Equipment Engine Fuel Line Clamp 26460
Troybilt lawn & garden equipment engine fuel line clamp

Part #26460

BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Engine Fuel Line (replaces 32180, 32180a, 32180b, 500236, Tc-32180c) 32180C
#351

Cylinder/crankshaft/fuel tank diagram

Lawn & garden equipment engine fuel line (replaces 32180, 32180a, 32180b, 500236, tc-32180c)

Part #32180C

BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
Back Order
Lawn & Garden Equipment Engine Carburetor Primer Assembly (replaces 570682, Tc-570682a) 570682A
#350

Cylinder/crankshaft/fuel tank diagram

Lawn & garden equipment engine carburetor primer assembly (replaces 570682, tc-570682a)

Part #570682A

BEST SELLER
$11.79
15% OFF Phone Price : $13.79
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
Lamination 35135A
#100

Cylinder/crankshaft/fuel tank diagram

Lamination

Part #35135A

Replaced by #35135B

?
Manufacturer substitution
This part replaces 35135A. Substitute parts can look different from the original.
$58.79
9% OFF Phone Price : $64.79
In Stock

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.…