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Homelite 74121 trimmer Parts

Here are the diagrams and repair parts for Homelite 74121 trimmer, as well as links to manuals and error code tables, if available.

Homelite 74121 trimmer
By Schematic
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This is the number corresponding to the part on the diagram / schematic

Browse Parts for 74121 Line Trimmers

  • Handle for Homelite 74121 - Part A-00736

    Figure 5 diagram

    Handle

    Part #A-00736

    The manufacturer no longer makes this part, and there's no substitute part

  • Warning Decal for Homelite 74121 - Part 00588

    Figure 2 diagram

    Warning Decal

    Part #00588

    The manufacturer no longer makes this part, and there's no substitute part

  • Warning Decal for Homelite 74121 - Part 04154

    Figure 4 diagram

    Warning Decal

    Part #04154

    The manufacturer no longer makes this part, and there's no substitute part

  • Spool/str for Homelite 74121 - Part DA-98912-C

    Figure 4 diagram

    Spool/str

    Part #DA-98912-C

    The manufacturer no longer makes this part, and there's no substitute part

  • Throttle Switch for Homelite 74121 - Part A-00738

    Figure 5 diagram

    Throttle Switch

    Part #A-00738

    The manufacturer no longer makes this part, and there's no substitute part

  • Thread Form Screw for Homelite 74121 - Part 82549-1

    Figure 1 diagram

    Thread Form Screw

    Part #82549-1

    The manufacturer no longer makes this part, and there's no substitute part

  • D/s Hsg Asm for Homelite 74121 - Part A-03488-1

    Figure 5 diagram

    D/s Hsg Asm

    Part #A-03488-1

    The manufacturer no longer makes this part, and there's no substitute part

  • Screw for Homelite 74121 - Part 80869

    Screw

    Part #80869

    The manufacturer no longer makes this part, and there's no substitute part

  • Washer for Homelite 74121 - Part 83061

    Washer

    Part #83061

    The manufacturer no longer makes this part, and there's no substitute part

  • Screw for Homelite 74121 - Part 00606

    Figure 5 diagram

    Screw

    Part #00606

    The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your 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 carbure…

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 time and Difficulty

 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 time and Difficulty

 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 time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your line trimmers

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

Line trimmer: Preventing fuel vapor lock in hot summer conditions

Line trimmer: Preventing fuel vapor lock in hot summer conditions

Vapor lock can stop your trimmer cold in summer heat. Learn how to prevent it and keep your lawn looking sharp…

Straight shaft vs curved shaft trimmers: What’s the difference?

Straight shaft vs curved shaft trimmers: What’s the difference?

Trying to decide between a straight shaft and curved shaft trimmer? This guide compares both designs to help you underst…

Can you cut grass with a weed whacker?

Can you cut grass with a weed whacker?

Wondering if your weed whacker can pick up the slack for your broken lawn mower? You're not alone. In this guide, we bre…

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