Tecumseh
Lawn & Garden Engine

Model # TYPE 670-36 Official Tecumseh 2-cycle engine - 670-36 670-36a

Here are the diagrams and repair parts for Official Tecumseh TYPE-670-36 2-cycle engine - 670-36 670-36a, 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 140 parts  |

Fuel Line 29774
#68

Basic engine diagram

Fuel line

Part #29774

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

Spring Retainer 630731
#2

Caburetor no. 631312 diagram

Spring retainer

Part #630731

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

Seal 510105
#29

Basic engine diagram

Seal

Part #510105

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

Diap/gaskt 630978
#22

Caburetor no. 631312 diagram

Diap/gaskt

Part #630978

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

Fuel Fitting 631803
#16

Caburetor no. 631312 diagram

Fuel fitting

Part #631803

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

Dog Sprng Rh 590412
#5

Rewind starter no. 590420 diagram

Dog sprng rh

Part #590412

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

Cover 630751
#23

Caburetor no. 631312 diagram

Cover

Part #630751

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

Spring 510109
#31

Basic engine diagram

Spring

Part #510109

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

Washer 630739
#12

Caburetor no. 631312 diagram

Washer

Part #630739

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

Retainer 510106
#30

Basic engine diagram

Retainer

Part #510106

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.…