Tecumseh
Lawn & Garden Engine

Model # OH140-160009B Official Tecumseh 4-cycle engine

Here are the diagrams and repair parts for Official Tecumseh OH140-160009B 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 208 parts  |

Gasket 27110
#20

Carburetor no. 632032 diagram

Gasket

Part #27110

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

Fuel Line 29774
#143

Basic engine diagram

Fuel line

Part #29774

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

Fuel Tank 33979
#162

Basic engine diagram

Fuel tank

Part #33979

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

Screw 30564
#34

Basic engine diagram

Screw

Part #30564

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

Valve Spring 33507
#23

Basic engine diagram

Valve spring

Part #33507

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

/carb Float 27105
#14

Carburetor no. 632032 diagram

/carb float

Part #27105

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

Start Pulley 31980
#125

Basic engine diagram

Start pulley

Part #31980

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

Washer 30590A
#29

Basic engine diagram

Washer

Part #30590A

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

Retainng Rng 33842
#2

Starter motor no. 33835 diagram

Retainng rng

Part #33842

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

Cleanr Cover 32810
#116

Basic engine diagram

Cleanr cover

Part #32810

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Repair guides for treadmills

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

How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair difficulty
Time required
 15 minutes or less

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

Use the advice and tips in these articles and videos to get the most out of your treadmill.

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.…