Tecumseh
Lawn & Garden Engine

Model # H35-45349H Official Tecumseh 4-cycle engine

Here are the diagrams and repair parts for Official Tecumseh H35-45349H 4-cycle engine, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 174 parts  |

O-ring 631028
#25

Carburetor no. 631070a diagram

O-ring

Part #631028

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

Needl/seat 631021
#12

Carburetor no. 631070a diagram

Needl/seat

Part #631021

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

Gasket 27110
#21

Carburetor no. 631070a diagram

Gasket

Part #27110

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

/carb Float 631023
#14

Carburetor no. 631070a diagram

/carb float

Part #631023

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

Plug Cover 27276
#27

Basic engine diagram

Plug cover

Part #27276

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

Fitting 631038
#26

Carburetor no. 631070a diagram

Fitting

Part #631038

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

Element 31410
#40

Basic engine diagram

Element

Part #31410

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

Spring 31426
#59

Basic engine diagram

Spring

Part #31426

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

Spring 31672
#8

Basic engine diagram

Spring

Part #31672

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

Gasket 27554
#18

Carburetor no. 631070a diagram

Gasket

Part #27554

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

Symptoms for treadmills

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

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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.

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Top questions about Sears and Sears PartsDirect

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What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…