Troybilt
Gas Line Trimmer

Model #41ADT57C766 Troybilt gas trimmer

Here are the diagrams and repair parts for Troybilt 41ADT57C766 gas trimmer, 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.

Save to my profileOwner’s manual

Showing 10 of 60 parts

Lawn & Garden Equipment Engine Air Filter

#26

Cylinder/fuel tank/crankcase Diagram

Lawn & garden equipment engine air filter

Part #753-05254
This item is not returnable
$4.56
29% OFFMSRP:$6.40

In Stock

Lawn & Garden Equipment Engine Fuel Tank

#28

Cylinder/fuel tank/crankcase Diagram

$23.44

In Stock

Line Trimmer Drive Shaft Housing, Lower

#14

Drive shaft/handle/shield Diagram

$17.28
18% OFFMSRP:$21.00

In Stock

Lawn & Garden Equipment Clutch Assembly

#32

Cylinder/fuel tank/crankcase Diagram

$16.28

In Stock

Line Trimmer Throttle Trigger Spring

#3

Drive shaft/handle/shield Diagram

Line trimmer throttle trigger spring

Part #791-182690
This item is not returnable
$5.08
21% OFFMSRP:$6.40

In Stock

Lawn & Garden Equipment O-Ring

#24

Cylinder/fuel tank/crankcase Diagram

Lawn & garden equipment o-ring

Part #791-181751
This item is not returnable
$3.00

In Stock

Line Trimmer Drive Shaft Housing, Upper

#6

Drive shaft/handle/shield Diagram

$70.24

In Stock

Line Trimmer Drive Shaft Coupler

#9

Drive shaft/handle/shield Diagram

$14.22
11% OFFMSRP:$16.00

In Stock

Lawn & Garden Equipment Carburetor Gasket

#22

Cylinder/fuel tank/crankcase Diagram

$12.13
13% OFFMSRP:$14.00

In Stock

Lawn & Garden Equipment Screw

#34

Cylinder/fuel tank/crankcase Diagram

Lawn & garden equipment screw

Part #791-182519
This item is not returnable
$3.15
15% OFFMSRP:$3.70

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: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank
Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carburetor

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.

October 1, 2013
By Lyle Weischwill
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 yourself, following these instructions.

Repair difficulty
Time required
 30 minutes or less
October 1, 2013
By Lyle Weischwill
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 these instructions to do the job in under 30 minutes.

Repair difficulty
Time required
 30 minutes or less
October 1, 2013
By Lyle Weischwill
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 instructions to replace the carburetor in under 30 minutes.

Repair difficulty
Time required
 30 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.

June 1, 2016

Tips for a hard-to-start grass line trimmer

By Sears PartsDirect staff

These tips may help you get your hard-to-start gas line trimmer running.

June 1, 2015

How to replace a line trimmer fuel line video

By Sears PartsDirect staff

Follow the steps in this video to replace a leaking fuel line in a line trimmer.

March 1, 2015

Easy DIY grass line trimmer repairs

By Sears PartsDirect staff

Learn about some very easy do-it-yourself repairs for a grass line trimmer.