Tecumseh
Lawn & Garden Engine

Model # HMSK80-155719X Official Tecumseh engine

Here are the diagrams and repair parts for Official Tecumseh HMSK80-155719X 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 205 parts  |

5w-30 Oil 730226
#420

Engine diagram

5w-30 oil

Part #730226

Replaced by #49028

?
Manufacturer substitution
This part replaces 730226. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable

Get free shipping with Automatic Reorder

$5.57
15% OFF Phone Price : $6.57
In Stock
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
Needle Seat 631021
#30

Carburetor 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
Carburetor 640052
Carburetor

Part #640052

Replaced by #640349

?
Manufacturer substitution
This part replaces 640052. Substitute parts can look different from the original.
BEST SELLER
$66.60
8% OFF Phone Price : $72.60
Back Order
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
Snowblower Ignition Key (replaces 35593, Tc-35062) 35062
#328

Engine 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
#171

Engine 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
Lauson Lawn & Garden Equipment Engine Fuel Line (replaces 30241, 430217, 503-1199, 503-1577, Tc-30962) 30962
#291

Engine diagram

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

Part #30962

This item is not returnable
$6.76
13% OFF Phone Price : $7.76
In Stock
Lamination 35135A
#100

Engine 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
Back Order
Starter 590749
Starter

Part #590749

Replaced by #590789

?
Manufacturer substitution
This part replaces 590749. Substitute parts can look different from the original.
$77.19
7% OFF Phone Price : $83.19
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.…