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Husqvarna
Gas Line Trimmer

Model # 122C Official Husqvarna trimmer

Here are the diagrams and repair parts for Official Husqvarna 122C trimmer, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 99 parts  |
Husqvarna Line Trimmer Recoil Starter Assembly 574487401
#1

Starter diagram

Husqvarna line trimmer recoil starter assembly

Part #574487401

$36.11
In Stock
Ignition Module 574375501
#1

Ignition system diagram

Ignition module

Part #574375501

Replaced by #585074103

?
Manufacturer substitution
This part replaces 574375501. Substitute parts can look different from the original.
$43.33
In Stock
Lawn & Garden Equipment Screw 530015814
#5

Accessories diagram

Lawn & garden equipment screw

Part #530015814

Replaced by #503210619

?
Manufacturer substitution
This part replaces 530015814. Substitute parts can look different from the original.
This item is not returnable
$4.31 | 
19% OFF Phone Price : $5.31
In Stock
Husqvarna Line Trimmer Fuel Filter 574603901
#3

Fuel tank diagram

Husqvarna line trimmer fuel filter

Part #574603901

$8.67 | 
10% OFF Phone Price : $9.67
In Stock
Husqvarna Valve Nipple 575484501
#8

Fuel tank diagram

Husqvarna valve nipple

Part #575484501

$9.26
In Stock
Husqvarna Line Trimmer Air Filter 574242701
#3

Carburetor & air filter diagram

Husqvarna line trimmer air filter

Part #574242701

This item is not returnable
$9.26
In Stock
Husqvarna Line Trimmer Knob 537213209
#5

Carburetor & air filter diagram

Husqvarna line trimmer knob

Part #537213209

This item is not returnable
$11.14
In Stock
Husqvarna Insulation 522911201
#9

Carburetor & air filter diagram

Husqvarna insulation

Part #522911201

This item is not returnable
$13.00
In Stock
Line Trimmer Screw 525755101
Line trimmer screw

Part #525755101

This item is not returnable
$7.40
In Stock
Husqvarna Valve Housing 575484401
#7

Fuel tank diagram

Husqvarna valve housing

Part #575484401

This item is not returnable
$7.40
In Stock

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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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 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 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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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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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…

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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.…

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