Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Tecumseh
Lawn & Garden Engine

Model # TYPE 650-18A Official Tecumseh 2-cycle engine

Here are the diagrams and repair parts for Official Tecumseh TYPE-650-18A 2-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 155 parts  |
Generac Lawn & Garden Equipment Engine Fuel Line (replaces 14306, 34357) 29774
#68

Replacement parts diagram

Generac lawn & garden equipment engine fuel line (replaces 14306, 34357)

Part #29774

BEST SELLER
This item is not returnable
$5.99 | 
14% OFF Phone Price : $6.99
In Stock
Primer Line 32180A
#78

Replacement parts diagram

Primer line

Part #32180A

Replaced by #32180C

?
Manufacturer substitution
This part replaces 32180A. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Spring Retainer 630731
#2

Carburetor diagram

Spring retainer

Part #630731

Replaced by #631767

?
Manufacturer substitution
This part replaces 630731. Substitute parts can look different from the original.
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Seal Crankshaft 510242
#10

Replacement parts diagram

Seal crankshaft

Part #510242

This item is not returnable
$4.14
In Stock
Lauson Lawn & Garden Equipment Engine Carburetor Diaphragm 630978
#22

Carburetor diagram

Lauson lawn & garden equipment engine carburetor diaphragm

Part #630978

This item is not returnable
$6.79 | 
13% OFF Phone Price : $7.79
In Stock
Seal 510105
#29

Replacement parts diagram

Seal

Part #510105

Replaced by #510319

?
Manufacturer substitution
This part replaces 510105. Substitute parts can look different from the original.
$8.20
In Stock
Lawn & Garden Equipment Washer 630739
#12

Carburetor diagram

Lawn & garden equipment washer

Part #630739

This item is not returnable
$2.16
In Stock
Screw 650645
#61

Replacement parts diagram

Screw

Part #650645

Replaced by #650767

?
Manufacturer substitution
This part replaces 650645. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Spring 510109
#31

Replacement parts diagram

Spring

Part #510109

Replaced by #510109A

?
Manufacturer substitution
This part replaces 510109. Substitute parts can look different from the original.
This item is not returnable
$4.14
In Stock
Spring 630972
#8

Carburetor diagram

Spring

Part #630972

Replaced by #630735

?
Manufacturer substitution
This part replaces 630972. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Symptoms for top-mount refrigerators

Why is there water in the bottom of the fridge under vegetable drawers?

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Read more

Repair guides for top-mount refrigerators

How to replace the electronic control board inside a top-freezer refrigerator

How to replace the electronic control board inside a top-freezer refrigerator

The electronic control board is the "brains" of the refrigerator. Replace the electronic control board if it fails.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator temperature control thermostat

How to replace a refrigerator temperature control thermostat

This helpful refrigerator repair guide explains how to replace the temperature control thermostat in a refrigerator.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace the condenser fan motor in a top-freezer refrigerator

How to replace the condenser fan motor in a top-freezer refrigerator

The condenser fan is in the machine compartment of the refrigerator next to the compressor. It moves air across the cond…

Read more
Repair difficulty
Time required
 15 minutes or less

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

View all
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.…

Read more
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.…

Read more

Parts & More