Homelite
Gas Line Trimmer

Model # 74112 Official Homelite trimmer

Here are the diagrams and repair parts for Official Homelite 74112 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.

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 215 parts  |

Clamp 98752
#20

Figure 1 diagram

Clamp

Part #98752

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

Switch 93653
Switch

Part #93653

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

Switch Button 98769
#84

Figure 1 diagram

Switch button

Part #98769

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

String 03959-03
#30

Figure 5 diagram

String

Part #03959-03

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

Handle A-98525
Handle

Part #A-98525

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

Handle Bar A-03552
#62

Figure 5 diagram

Handle bar

Part #A-03552

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

Gasket 98766-A
#26

Figure 1 diagram

Gasket

Part #98766-A

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

Conctor Driv 98795-A
#79

Figure 1 diagram

Conctor driv

Part #98795-A

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

Lawn & Garden Equipment Hex Nut 04277
#17

Figure 5 diagram

Lawn & garden equipment hex nut

Part #04277

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

Part DA-02598-A
Part

Part #DA-02598-A

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

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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

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…

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.

Solving 3 common problems with line trimmer cutting lines

Solving 3 common problems with line trimmer cutting lines

Follow these tips to prevent the cutting line on your grass line trimmer from breaking or feeding out too much or too li…

How to replace a line trimmer fuel line video

How to replace a line trimmer fuel line video

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

How to tune up a grass line trimmer video

How to tune up a grass line trimmer video

Tune of your grass line trimmer, following the steps in this video.…