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Husqvarna
Gas Line Trimmer

Model # 125LDX Official Husqvarna trimmer

Here are the diagrams and repair parts for Official Husqvarna 125LDX 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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ALL PARTS
Showing 10 of 88 parts  |
Line Trimmer Primer Bulb 530058709

#NI05

All parts diagram

Line trimmer primer bulb

Part #530058709

BEST SELLER
$10.11 | 
17% OFF Phone Price : $12.11
In Stock
Line Trimmer Air Filter 530150253
#1

Cylinder/fuel tank/starter diagram

Line trimmer air filter

Part #530150253

This item is not returnable
$4.31 | 
19% OFF Phone Price : $5.31
In Stock
Starter 545029801
#27

Cylinder/fuel tank/starter diagram

Starter

Part #545029801

Replaced by #545008015

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Manufacturer substitution
This part replaces 545029801. Substitute parts can look different from the original.
This item is not returnable
$10.11 | 
17% OFF Phone Price : $12.11
In Stock
Lawn & Garden Equipment Screw 530016449
Lawn & garden equipment screw

Part #530016449

This item is not returnable
$7.40
In Stock
Lawn & Garden Equipment Engine Carburetor Nozzle Screw 530016101
#2

Cylinder/fuel tank/starter diagram

Lawn & garden equipment engine carburetor nozzle screw

Part #530016101

This item is not returnable
$9.26
In Stock
Cutting Head 5373383-02
#24

Drive shaft/handle/shield diagram

Cutting head

Part #5373383-02

Replaced by #537338310

?
Manufacturer substitution
This part replaces 5373383-02. Substitute parts can look different from the original.
$33.20 | 
15% OFF Phone Price : $39.20
In Stock
Line Trimmer Fuel Cap 530150350
#18

Cylinder/fuel tank/starter diagram

Line trimmer fuel cap

Part #530150350

Replaced by #578931503

?
Manufacturer substitution
This part replaces 530150350. Substitute parts can look different from the original.
This item is not returnable
$13.00
In Stock
Lawn & Garden Equipment Screw 530016448
Lawn & garden equipment screw

Part #530016448

This item is not returnable
$5.54
In Stock
Line Trimmer Throttle Cable Assembly 545125301
#1

Drive shaft/handle/shield diagram

Line trimmer throttle cable assembly

Part #545125301

$28.89 | 
17% OFF Phone Price : $34.89
In Stock
Line Trimmer Cutting Head Drive Disc 537234901
#28

Drive shaft/handle/shield diagram

Line trimmer cutting head drive disc

Part #537234901

$28.89
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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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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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.…

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