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Weed Eater
Gas Line Trimmer

Model # MX557 Official Weed Eater line trimmer

Here are the diagrams and repair parts for Official Weed Eater MX557 line 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 71 parts  |
Lawn & Garden Equipment Engine Fuel Filter (replaces 530010811, 530014199, 530-014199, 530014362, 530-014362, 530014815, 530023364, 530047004, 5300956-46, 530095649) 530095646
#58

Cylinder/crankshaft/crankcase 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
$8.93
| 
10% OFF Phone Price : $9.93
In Stock
Lawn & Garden Equipment Fuel Line, Small (replaces 530021058, 530-021058, 530021076, 5300692-47, 530-069247, 530-069751, 530071404) 530069247
#56

Cylinder/crankshaft/crankcase diagram

Lawn & garden equipment fuel line, small (replaces 530021058, 530-021058, 530021076, 5300692-47, 530-069247, 530-069751, 530071404)

Part #530069247

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$10.11
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17% OFF Phone Price : $12.11
In Stock
Lawn & Garden Equipment Fuel Line, Large (replaces 530021017, 530-021025, 530021026, 530-021026, 530021028, 530-021028, 530-021035, 530021042, 530021132, 530028505, 530-028505, 5300692-16, 530-069216) 530069216
#57

Cylinder/crankshaft/crankcase diagram

Lawn & garden equipment fuel line, large (replaces 530021017, 530-021025, 530021026, 530-021026, 530021028, 530-021028, 530-021035, 530021042, 530021132, 530028505, 530-028505, 5300692-16, 530-069216)

Part #530069216

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$14.44
| 
12% OFF Phone Price : $16.44
In Stock
Ignition Module 530039234
#23

Cylinder/crankshaft/crankcase diagram

Ignition module

Part #530039234

Replaced by #501092801

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Manufacturer substitution
This part replaces 530039234. Substitute parts can look different from the original.
BEST SELLER
$31.24
| 
16% OFF Phone Price : $37.24
In Stock
Lawn & Garden Equipment Engine Air Filter (replaces 5300365-75, 530-036575) 530036575
#21

Cylinder/crankshaft/crankcase diagram

Lawn & garden equipment engine air filter (replaces 5300365-75, 530-036575)

Part #530036575

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This item is not returnable
$7.20
| 
12% OFF Phone Price : $8.20
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Piston Kit 530071357
#10

Cylinder/crankshaft/crankcase diagram

Piston kit

Part #530071357

Replaced by #530071833

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Manufacturer substitution
This part replaces 530071357. Substitute parts can look different from the original.
$30.33
| 
17% OFF Phone Price : $36.33
In Stock
Lawn & Garden Equipment Screw 530016429
#20

Cylinder/crankshaft/crankcase diagram

Lawn & garden equipment screw

Part #530016429

This item is not returnable
$5.76
| 
15% OFF Phone Price : $6.76
In Stock
Line Trimmer Gearbox 530096099
#20

Driveshaft/handle/shield diagram

Line trimmer gearbox

Part #530096099

$41.17
| 
13% OFF Phone Price : $47.17
In Stock
Lawn & Garden Equipment Screw 530016391
#28

Cylinder/crankshaft/crankcase diagram

Lawn & garden equipment screw

Part #530016391

Replaced by #530016080

?
Manufacturer substitution
This part replaces 530016391. Substitute parts can look different from the original.
This item is not returnable
$5.54
In Stock
Carburetor 530071752
#17

Cylinder/crankshaft/crankcase diagram

Carburetor

Part #530071752

Replaced by #530071822

?
Manufacturer substitution
This part replaces 530071752. Substitute parts can look different from the original.
$41.17
| 
13% OFF Phone Price : $47.17
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...

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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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