Tecumseh
Lawn & Garden Engine

Model # HM80-155141C Official Tecumseh 4-cycle engine

Here are the diagrams and repair parts for Official Tecumseh HM80-155141C 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  |

Gasket 27110
#21

Carburetor no. 631924 diagram

Gasket

Part #27110

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

Primer Line 32180A
#138

Basic engine diagram

Primer line

Part #32180A

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

Gasket 33861
#75

Basic engine diagram

Gasket

Part #33861

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

Cover 610118
#49

Basic engine diagram

Cover

Part #610118

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

Plate 31588
#121

Basic engine diagram

Plate

Part #31588

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

Governor Linkage 33878
#85

Basic engine diagram

Governor linkage

Part #33878

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

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.…