Craftsman
Lawn & Garden

Model # 143100-029 Official Craftsman differential

Here are the diagrams and repair parts for Official Craftsman 143100-029 differential, 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 15 parts  |

Thrust Washer 780096
#7

Parts list diagram

Thrust washer

Part #780096

Replaced by #780096

?
Manufacturer substitution
This part replaces 780096. Substitute parts can look different from the original.
This item is not returnable
In Stock
Bushing 780077
#13

Parts list diagram

Bushing

Part #780077

Replaced by #780077

?
Manufacturer substitution
This part replaces 780077. Substitute parts can look different from the original.
In Stock
Housing 774463
#1

Parts list diagram

Housing

Part #774463

Replaced by #774463

?
Manufacturer substitution
This part replaces 774463. Substitute parts can look different from the original.
In Stock
Drive Pin 786040
#6

Parts list diagram

Drive pin

Part #786040

Replaced by #786040

?
Manufacturer substitution
This part replaces 786040. Substitute parts can look different from the original.
In Stock
Bevel Gear 778067
#4

Parts list diagram

Bevel gear

Part #778067

Replaced by #778132

?
Manufacturer substitution
This part replaces 778067. Substitute parts can look different from the original.
In Stock
Gear 778068
#5

Parts list diagram

Gear

Part #778068

Replaced by #778131

?
Manufacturer substitution
This part replaces 778068. Substitute parts can look different from the original.
$32.71
15% OFF Phone Price : $38.71
In Stock
Bushing 780124
#13A

Parts list diagram

Bushing

Part #780124

Replaced by #780124

?
Manufacturer substitution
This part replaces 780124. Substitute parts can look different from the original.
In Stock
Washer 780001
#8

Parts list diagram

Washer

Part #780001

Replaced by #780001

?
Manufacturer substitution
This part replaces 780001. Substitute parts can look different from the original.
This item is not returnable
In Stock
Screw 792041
#11

Parts list diagram

Screw

Part #792041

Replaced by #792041

?
Manufacturer substitution
This part replaces 792041. Substitute parts can look different from the original.
This item is not returnable
In Stock
Housing 774344
#1A

Parts list diagram

Housing

Part #774344

Replaced by #774659

?
Manufacturer substitution
This part replaces 774344. Substitute parts can look different from the original.
$55.79
10% OFF Phone Price : $61.79
In Stock

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

Repair guides for gas line trimmers

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

How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas line trimmers

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

Top 10 electric lawn and garden tools for 2023

Top 10 electric lawn and garden tools for 2023

Learn about the top 10 must-have electric lawn & garden tools for 2023…

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Grass line trimmer maintenance checklist

Grass line trimmer maintenance checklist

Find out how to take care of your grass line trimmer from the start of the trimming season until the end, with this help…