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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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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Showing 10 of 42 parts  |

Line Trimmer Spark Plug 199999001291
#NI36

Engine parts diagram

Line trimmer spark plug

Part #199999001291

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Line Trimmer Air Filter 202999001663
#NI28

Engine parts diagram

Line trimmer air filter

Part #202999001663

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Line Trimmer Cutting Head Assembly 199023000068
#NI06

Body parts diagram

Line trimmer cutting head assembly

Part #199023000068

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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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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.
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Line Trimmer Curved Drive Shaft Housing 199999001325
#NI09

Body parts diagram

Line trimmer curved drive shaft housing

Part #199999001325

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Line Trimmer Air Filter Base And Choke Button 199077000008
#NI25

Engine parts diagram

Line trimmer air filter base and choke button

Part #199077000008

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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.
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Line Trimmer Recoil Starter Rope 207440100002
#NI41

Engine parts diagram

Line trimmer recoil starter rope

Part #207440100002

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Line Trimmer Throttle Cable 199081000107
#NI03

Body parts diagram

Line trimmer throttle cable

Part #199081000107

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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.

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Top 10 electric lawn and 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.…

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…