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Craftsman
Gas Line Trimmer

Model # 154740920 Official Craftsman gas line trimmer

Here are the diagrams and repair parts for Official Craftsman 154740920 gas line trimmer, as well as links to manuals and error code tables, if available.

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  • 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”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 42 parts  |
Line Trimmer Spark Plug 199999001291
#NI36

Engine parts diagram

Line trimmer spark plug

Part #199999001291

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$3.89 | 
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Line Trimmer Air Filter 202999001663
#NI28

Engine parts diagram

Line trimmer air filter

Part #202999001663

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$2.49 | 
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Line Trimmer Carburetor 861398200101
#NI30

Engine parts diagram

Line trimmer carburetor

Part #861398200101

Replaced by #199064000051

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Manufacturer substitution
This part replaces 861398200101. Substitute parts can look different from the original.
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$29.02 | 
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Line Trimmer Air Filter Cover Knob 202999001664
#NI27

Engine parts diagram

Line trimmer air filter cover knob

Part #202999001664

Replaced by #202999001789

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Manufacturer substitution
This part replaces 202999001664. Substitute parts can look different from the original.
This item is not returnable
$2.37
In Stock
Line Trimmer Air Filter Cover 202012000415
#NI26

Engine parts diagram

Line trimmer air filter cover

Part #202012000415

Replaced by #202012000479

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Manufacturer substitution
This part replaces 202012000415. Substitute parts can look different from the original.
This item is not returnable
$2.37
In Stock
Line Trimmer Air Filter Base And Choke Button 199077000008
#NI25

Engine parts diagram

Line trimmer air filter base and choke button

Part #199077000008

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
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Line Trimmer Throttle Cable 199081000107
#NI03

Body parts diagram

Line trimmer throttle cable

Part #199081000107

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
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Control Lvr 202042000194
#NI04

Body parts diagram

Control lvr

Part #202042000194

This item is not returnable
$2.16
In Stock
Line Trimmer Torx Wrench 826190210100
#NI24

Body parts diagram

Line trimmer torx wrench

Part #826190210100

This item is not returnable
$2.16
In Stock
Line Trimmer Engine Stop Wire 199999001318
#NI42

Engine parts diagram

Line trimmer engine stop wire

Part #199999001318

This item is not returnable
$2.16
In Stock

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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Why won't my gas line trimmer start?

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

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Why does my gas line trimmer run rough?

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

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Why does my gas line trimmer leak gas?

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

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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.

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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…

Read more
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 …

Read more
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…

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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.

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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…

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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.…

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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…

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