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
In Stock
Lawn & Garden Equipment Engine Carburetor Rebuild Kit (replaces 632760a, 632809) 632760B
#60

Carburetor diagram

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

Part #632760B

BEST SELLER
$23.60
17% OFF Phone Price : $28.60
In Stock
Lawn & Garden Equipment Engine Carburetor (replaces 640052, 640054) 640349
Lawn & garden equipment engine carburetor (replaces 640052, 640054)

Part #640349

BEST SELLER
$66.60
31% OFF MSRP : $96.00
In Stock
Lawn & Garden Equipment Engine Fuel Line Clamp 26460
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
$6.11
23% OFF MSRP : $7.90
In Stock
Gasket 27110
#44

Carburetor 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
Lawn & Garden Equipment Engine Fuel Tank Cap (replaces 35355, 35650) 37845
#301

Cylinder/crankshaft/fuel tank diagram

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

Part #37845

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

Cylinder/crankshaft/fuel tank diagram

Lawn & garden equipment engine air filter (replaces 28424l)

Part #28424

BEST SELLER
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

BEST SELLER
This item is not returnable
$4.14
19% OFF Phone Price : $5.14
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.…