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McCulloch
Gas Line Trimmer

Model # MC125 TYPE 2 Official McCulloch trimmer

Here are the diagrams and repair parts for Official McCulloch MC125-TYPE-2 trimmer, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 86 parts  |
Ignition Module 530039229
#22

Cylinder/fuel tank/crankcase diagram

Ignition module

Part #530039229

Replaced by #501092801

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Manufacturer substitution
This part replaces 530039229. Substitute parts can look different from the original.
BEST SELLER
$30.33 | 
17% OFF Phone Price : $36.33
In Stock
Start Spring 545054901
#32

Cylinder/fuel tank/crankcase diagram

Start spring

Part #545054901

Replaced by #545008014

?
Manufacturer substitution
This part replaces 545054901. Substitute parts can look different from the original.
This item is not returnable
$13.00 | 
13% OFF Phone Price : $15.00
In Stock
Lawn & Garden Equipment Screw 530015814
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
Lawn & Garden Equipment Engine Piston And Ring Kit (replaces 530071357) 530071833
#10

Cylinder/fuel tank/crankcase diagram

Lawn & garden equipment engine piston and ring kit (replaces 530071357)

Part #530071833

$30.33 | 
17% OFF Phone Price : $36.33
In Stock
Weed Eater Line Trimmer Recoil Starter Pulley Kit 545050407
#33

Cylinder/fuel tank/crankcase diagram

Weed eater line trimmer recoil starter pulley kit

Part #545050407

This item is not returnable
$17.33 | 
10% OFF Phone Price : $19.33
In Stock
Line Trimmer Clutch Assembly (replaces 545008038) 530055122
#29

Cylinder/fuel tank/crankcase diagram

Line trimmer clutch assembly (replaces 545008038)

Part #530055122

This item is not returnable
$26.00 | 
19% OFF Phone Price : $32.00
In Stock
Line Trimmer Gearbox 530096099
#16

Drive shaft/shield/handle diagram

Line trimmer gearbox

Part #530096099

$41.17 | 
13% OFF Phone Price : $47.17
In Stock
Lawn & Garden Equipment Screw 530016429
#19

Cylinder/fuel tank/crankcase diagram

Lawn & garden equipment screw

Part #530016429

This item is not returnable
$5.76 | 
15% OFF Phone Price : $6.76
In Stock
Lawn & Garden Equipment Head Bolt 530015953
#4

Cylinder/fuel tank/crankcase diagram

Lawn & garden equipment head bolt

Part #530015953

This item is not returnable
$5.76 | 
15% OFF Phone Price : $6.76
In Stock
Wing Nut Plate 530016152
Wing nut plate

Part #530016152

Replaced by #530091373

?
Manufacturer substitution
This part replaces 530016152. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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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 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 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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Top 10 electric lawn and garden tools for 2023

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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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Grass line trimmer maintenance checklist

Grass line trimmer maintenance checklist

Find out how to take care of your grass line trimmer from the start of the trimming season until the end, with this help…

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