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Husqvarna
Gas Line Trimmer

Model # 125RJ Official Husqvarna trimmer

Here are the diagrams and repair parts for Official Husqvarna 125RJ 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 99 parts  |
Lawn & Garden Equipment Engine Fuel Filter (replaces 530010811, 530014199, 530-014199, 530014362, 530-014362, 530014815, 530023364, 530047004, 5300956-46, 530095649) 530095646
#16

Cylinder/fuel tank/starter diagram

Lawn & garden equipment engine fuel filter (replaces 530010811, 530014199, 530-014199, 530014362, 530-014362, 530014815, 530023364, 530047004, 5300956-46, 530095649)

Part #530095646

BEST SELLER
$9.20 | 
10% OFF Phone Price : $10.20
In Stock
Line Trimmer Primer Bulb 530058709

#NI06

All parts diagram

Line trimmer primer bulb

Part #530058709

$10.11 | 
17% OFF Phone Price : $12.11
In Stock
Starter 545029801
#27

Cylinder/fuel tank/starter diagram

Starter

Part #545029801

Replaced by #545008015

?
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 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
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
Cutting Head 5373383-02
#35

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 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 Engine Gasket Kit 545008084
Line trimmer engine gasket kit

Part #545008084

This item is not returnable
$26.00
In Stock
Line Trimmer Shield Kit 545030901
#21

Drive shaft/handle/shield diagram

Line trimmer shield kit

Part #545030901

$40.44
In Stock
Lawn & Garden Equipment Screw 530016426
#25

Cylinder/fuel tank/starter diagram

Lawn & garden equipment screw

Part #530016426

$9.26
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…

Read more
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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