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
Lauson
Lawn & Garden Engine

Model # HM80-155374L Official Lauson engine

Here are the diagrams and repair parts for Official Lauson HM80-155374L 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 137 parts  |
Rope 590451A
#9

Rewind starter 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
Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#292

Replacement parts 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 Air Filter (replaces 28424l) 28424
#171

Replacement parts 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 Fuel Tank Cap 35355
#301

Replacement parts diagram

Lawn & garden equipment engine fuel tank cap

Part #35355

Replaced by #37845

?
Manufacturer substitution
This part replaces 35355. Substitute parts can look different from the original.
BEST SELLER
$9.59 | 
9% OFF Phone Price : $10.59
In Stock
Lawn & Garden Equipment Engine Carburetor Manifold Gasket 33263
#224

Replacement parts 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
Plug Cover 27276
#101A

Replacement parts diagram

Plug cover

Part #27276

Replaced by #610118

?
Manufacturer substitution
This part replaces 27276. Substitute parts can look different from the original.
This item is not returnable
$5.24 | 
22% OFF MSRP : $6.70
In Stock
Lawn & Garden Equipment Engine Locking Plate 31588
#276

Replacement parts 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 Throttle Link 33878
#207

Replacement parts diagram

Lawn & garden equipment engine throttle link

Part #33878

This item is not returnable
$7.86
In Stock
Lawn & Garden Equipment Engine Intake Gasket 27915A
#184

Replacement parts diagram

Lawn & garden equipment engine intake gasket

Part #27915A

This item is not returnable
$6.29
In Stock
Screw 28820
#222

Replacement parts diagram

Screw

Part #28820

Replaced by #651081

?
Manufacturer substitution
This part replaces 28820. Substitute parts can look different from the original.
This item is not returnable
$4.60
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