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 # HM80-155140C Official Tecumseh 4-cycle engine

Here are the diagrams and repair parts for Official Tecumseh HM80-155140C 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 205 parts  |
Spark Plug 34251
#65A

Basic engine diagram

Spark plug

Part #34251

The manufacturer no longer makes this part, and there's no substitute part

Needl/seat 631021
#12

Carburetor no. 631924 diagram

Needl/seat

Part #631021

The manufacturer no longer makes this part, and there's no substitute part

O-ring 631028
#25

Carburetor no. 631924 diagram

O-ring

Part #631028

The manufacturer no longer makes this part, and there's no substitute part

/carb Float 631023
#14

Carburetor no. 631924 diagram

/carb float

Part #631023

The manufacturer no longer makes this part, and there's no substitute part

Breather Element Air Filter 28424
#67

Basic engine diagram

Breather element air filter

Part #28424

The manufacturer no longer makes this part, and there's no substitute part

Fuel Tank 34156
#124

Basic engine diagram

Fuel tank

Part #34156

The manufacturer no longer makes this part, and there's no substitute part

Float Bowl 631867
#16

Carburetor no. 631924 diagram

Float bowl

Part #631867

The manufacturer no longer makes this part, and there's no substitute part

Plate 31588
#121

Basic engine diagram

Plate

Part #31588

The manufacturer no longer makes this part, and there's no substitute part

/fuel Clamp 26460
#79

Basic engine diagram

/fuel clamp

Part #26460

The manufacturer no longer makes this part, and there's no substitute part

Screw 650765
#102

Basic engine diagram

Screw

Part #650765

The manufacturer no longer makes this part, and there's no substitute part

Repair guides for bottom-mount refrigerators

How to replace a flipper mullion on a French-door refrigerator

How to replace a flipper mullion on a French-door refrigerator

If the flipper mullion breaks or its heater quits working, replace it in 15 minutes using these 4 easy steps.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a door gasket in a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Read more
Repair difficulty
Time required
 15 minutes or less

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