Tecumseh
Lawn & Garden Engine

Model # HMSK100-159096L Official Tecumseh engine

Here are the diagrams and repair parts for Official Tecumseh HMSK100-159096L 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 190 parts  |

Lawn Mower O-ring 631028
#25

Carburetor no. 632370 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
Spark Plug 33636
#99

Replacement parts diagram

Spark plug

Part #33636

Replaced by #J19LM

?
Manufacturer substitution
This part replaces 33636. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.80
17% OFF Phone Price : $5.80
In Stock
Needle Seat 631021
#12

Carburetor no. 632370 diagram

Needle seat

Part #631021

Replaced by #631021B

?
Manufacturer substitution
This part replaces 631021. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$9.79
9% OFF Phone Price : $10.79
In Stock
Rope 590451A
#9

Rewind starter no. 590630 diagram

Rope

Part #590451A

Replaced by #590535

?
Manufacturer substitution
This part replaces 590451A. 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
#160

Replacement parts 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
In Stock
Cook Top Side Trim Kit Lawn & Garden Equipment Engine Air Filter (replaces 28424l) 28424
#106

Replacement parts diagram

Cook top side trim kit 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
Float 632019
#14

Carburetor no. 632370 diagram

Float

Part #632019

Replaced by #632019A

?
Manufacturer substitution
This part replaces 632019. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$8.89
10% OFF Phone Price : $9.89
In Stock
Lauson Lawn & Garden Equipment Engine Carburetor Rebuild Kit 632347
#28

Carburetor no. 632370 diagram

Lauson lawn & garden equipment engine carburetor rebuild kit

Part #632347

This item is not returnable
$21.69
22% OFF Phone Price : $27.69
In Stock
Troybilt Lawn & Garden Equipment Engine Carburetor Float Bowl (replaces 631025, 632808) 631867
#16

Carburetor no. 632370 diagram

Troybilt lawn & garden equipment engine carburetor float bowl (replaces 631025, 632808)

Part #631867

This item is not returnable
$3.49
22% OFF Phone Price : $4.49
In Stock
Lamination 35135
#82

Replacement parts 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

Symptoms for gas leaf blowers

Choose a symptom to see related leaf blower repairs.

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank…

Main causes: damaged fan blade, engine needs a tune up, dirty carburetor…

Main causes: stale fuel, dirty air filter, bad spark plug, cracked fuel lines, clogged carburetor…

Main causes: mixing too much 2-cycle oil with the gas, dirty air filter, clogged carburetor, engine needs tune up…

Main causes: bad gas, clogged air filter, cracked fuel lines, clogged fuel filter, dirty carburetor, bad spark plug, wor…

Repair guides for gas leaf blowers

These step-by-step repair guides will help you safely fix what’s broken on your leaf blower.

How to replace a leaf blower carburetor

How to replace a leaf blower carburetor

The carburetor could be the problem If the leaf blower engine won't start even though there's fuel in the tank. Follow t…

Repair difficulty
Time required
 15 minutes or less
How to replace leaf blower fuel lines

How to replace leaf blower fuel lines

Leaf blower fuel lines deteriorate with time and eventually can split or crack. You can remove and replace them yourself…

Repair difficulty
Time required
 60 minutes or less
How to rebuild a leaf blower carburetor

How to rebuild a leaf blower carburetor

If the leaf blower engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow …

Repair difficulty
Time required
 60 minutes or less

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

Use the advice and tips in these articles to get the most out of your leaf blower.

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.…