Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
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 | 
16% OFF Phone Price : $12.82
In Stock
Cook Top Side Trim Kit Lawn & Garden Equipment Engine Air Filter (replaces 28424l) 28424
#171

Tecumseh 4-cycle engine 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
Cook Top Side Trim Kit Lawn & Garden Equipment Engine Carburetor Manifold Gasket 33263
#184

Tecumseh 4-cycle engine 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
Cook Top Side Trim Kit Lawn & Garden Equipment Engine Air Filter 33268
#245

Tecumseh 4-cycle engine diagram

Cook top side trim kit lawn & garden equipment engine air filter

Part #33268

This item is not returnable
$16.59 | 
11% OFF Phone Price : $18.59
In Stock
Lamination 35135
#100

Tecumseh 4-cycle engine diagram

Lamination

Part #35135

Replaced by #35135B

?
Manufacturer substitution
This part replaces 35135. Substitute parts can look different from the original.
$58.79 | 
9% OFF Phone Price : $64.79
In Stock
Generac Lawn & Garden Equipment Engine Air Filter Housing Gasket 27272A
#239

Tecumseh 4-cycle engine diagram

Generac lawn & garden equipment engine air filter housing gasket

Part #27272A

This item is not returnable
$3.64 | 
22% OFF Phone Price : $4.64
In Stock
Lawn & Garden Equipment Engine Recoil Starter Handle (replaces 590443, 590452) 590701
Lawn & garden equipment engine recoil starter handle (replaces 590443, 590452)

Part #590701

This item is not returnable
$7.80 | 
11% OFF Phone Price : $8.80
Back Order
Cook Top Side Trim Kit Lawn & Garden Equipment Engine Throttle Link 33878
#207

Tecumseh 4-cycle engine diagram

Cook top side trim kit lawn & garden equipment engine throttle link

Part #33878

This item is not returnable
$7.86
In Stock
Generac Generator Engine Breather Tube 35350
#173

Tecumseh 4-cycle engine diagram

Generac generator engine breather tube

Part #35350

This item is not returnable
$7.26
In Stock
Cook Top Side Trim Kit Lawn & Garden Equipment Engine Screw 650729
#277

Tecumseh 4-cycle engine diagram

Cook top side trim kit lawn & garden equipment engine screw

Part #650729

This item is not returnable
$2.16
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