Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Tecumseh
Lawn & Garden Engine

Model # HM100-159409P Official Tecumseh 4-cycle engine

Here are the diagrams and repair parts for Official Tecumseh HM100-159409P 4-cycle 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 147 parts  |
Oil 730225
#420

Tecumseh 4-cycle engine diagram

Oil

Part #730225

Replaced by #25-357-03-S

?
Manufacturer substitution
This part replaces 730225. Substitute parts can look different from the original.
BEST SELLER
$10.82 | 
23% OFF MSRP : $14.00
In Stock
Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#292

Tecumseh 4-cycle engine diagram

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 Recoil Starter Rope, 98-in (replaces 1258, 28288, 28358, 28528, 30971, 31285, 31395, 31396, 31696, 590451a, 590456, 590527, 730608, 740032) 590535
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
Lawn & Garden Equipment Engine Air Filter (replaces 28424l) 28424
#171

Tecumseh 4-cycle engine 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 Carburetor Manifold Gasket 33263
#184

Tecumseh 4-cycle engine diagram

Lawn & garden equipment engine carburetor manifold gasket

Part #33263

BEST SELLER
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Engine Fuel Line (replaces 30241, 430217, 503-1199, 503-1577, Tc-30962) 30962
#290

Tecumseh 4-cycle engine diagram

Lawn & garden equipment engine fuel line (replaces 30241, 430217, 503-1199, 503-1577, tc-30962)

Part #30962

BEST SELLER
This item is not returnable
$6.76 | 
13% OFF Phone Price : $7.76
In Stock
Lawn & Garden Equipment Engine Spark Plug Boot (replaces 27276, Tc-610118) 610118
#101

Tecumseh 4-cycle engine diagram

Lawn & garden equipment engine spark plug boot (replaces 27276, tc-610118)

Part #610118

This item is not returnable
$5.24 | 
22% OFF MSRP : $6.70
In Stock
Lawn & Garden Equipment Torx Screw 30063
#342

Tecumseh 4-cycle engine diagram

Lawn & garden equipment torx screw

Part #30063

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Engine Locking Plate 31588
#276

Tecumseh 4-cycle engine diagram

Lawn & garden equipment engine locking plate

Part #31588

This item is not returnable
$4.27 | 
22% OFF MSRP : $5.50
In Stock
Lawn & Garden Equipment Engine Intake Gasket 27915A
#224

Tecumseh 4-cycle engine diagram

Lawn & garden equipment engine intake gasket

Part #27915A

This item is not returnable
$6.29
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

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

View all
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.…

Read more
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.…

Read more

Parts & More