Tecumseh
Lawn & Garden Engine

Model # H50-65166K Official Tecumseh 4-cycle engine

Here are the diagrams and repair parts for Official Tecumseh H50-65166K 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 177 parts  |

Gasket 27110
#21

Carburetor diagram

Gasket

Part #27110

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

Fuel Line 30962
#118

Basic engine diagram

Fuel line

Part #30962

Replaced by #30962

?
Manufacturer substitution
This part replaces 30962. Substitute parts can look different from the original.
This item is not returnable
$6.76
13% OFF Phone Price : $7.76
In Stock
/fuel Bowl 631025
#16

Carburetor diagram

/fuel bowl

Part #631025

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

Spring Retainer 630731
#2

Carburetor diagram

Spring retainer

Part #630731

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

Screw 28820
#88

Basic engine diagram

Screw

Part #28820

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

Gas Tank 33120
#114

Basic engine diagram

Gas tank

Part #33120

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

Plug 631027
#11

Carburetor diagram

Plug

Part #631027

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

Clip 631022
#13

Carburetor diagram

Clip

Part #631022

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

Washer 30590A
#122

Basic engine diagram

Washer

Part #30590A

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

Dog Sprng Rh 590412
#5

Rewind starter diagram

Dog sprng rh

Part #590412

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

Symptoms for upright freezers

Main causes: clogged or frozen defrost drain tube…

Repair guides for upright freezers

How to replace a freezer control panel

How to replace a freezer control panel

A freezer control panel that doesn’t show the temperature or respond when you press the buttons could be broken. This DI…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer door switch

How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…

Repair difficulty
Time required
 45 minutes or less

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.…