Mcculloch String Trimmer Engine
Genuine Husqvarna part
By: Husqvarna
Part Number: 530071833
Engine piston kit for gas trimmers and outdoor equipment. Replaces worn, damaged, or corroded pistons that cause poor compression and engine performance.
Do-It-Yourself Stories from Customers like You
My SST25 weed eater had a worn crankshaft and the piston rod on both ends had failed bearings. Benjamin B. • Friendswood , TX • October 04, 2018
I replaced the assembly case and piston and rod. I reinstalled new parts and the weed eater operates fine.
Read more
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$33.95
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$40.40
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$6.45
Genuine Husqvarna part
By: Husqvarna
Part Number: 530012541
Genuine engine cylinder for gas line trimmers and outdoor power equipment. Houses the spark plug and piston to create the combustion chamber. Replace if cracked or worn.
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$33.38
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$39.39
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$6.01
Out Of Stock
Usually ships within 4 - 14 days
Genuine Husqvarna part
By: Husqvarna
Part Number: 545008082
Replacement piston and cylinder kit for string trimmers. Restores engine seal and compression. Needed when original is worn, scored, or damaged.
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$47.66
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$57.19
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$9.53
Out Of Stock
Usually ships within 4 - 14 days
Genuine Husqvarna part
By: Husqvarna
Part Number: 545154001
Piston ring seals the space between piston and cylinder wall in gas-powered outdoor power equipment engines. Replace if worn, cracked, or causing smoke.
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$5.50
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$6.49
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$0.99
Out Of Stock
Usually ships within 4 - 14 days
Genuine Husqvarna part
By: Husqvarna
Part Number: 545081864
Complete piston kit for gas leaf blower engines. Includes piston, ring, needle bearing, and connecting rod. Replace when cracked, scored, or worn.
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$54.95
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$65.94
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$10.99
Out Of Stock
Usually ships within 4 - 14 days
Genuine Husqvarna part
By: Husqvarna
Part Number: 575227901
Piston ring seals the gap between piston and cylinder wall in small engine equipment. Replace if worn, cracked, or causing compression loss.
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$7.73
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$9.20
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$1.47
Out Of Stock
Usually ships within 4 - 14 days
Genuine Husqvarna part
By: Husqvarna
Part Number: 530071785
Replacement piston kit for gas trimmers, blowers, and handheld equipment engines. Includes piston and cylinder components. Needed when worn or damaged.
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$47.68
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$56.74
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$9.06
Out Of Stock
Usually ships within 4 - 14 days
Genuine Husqvarna part
By: Husqvarna
Part Number: 545115301
Cylinder head for gas leaf blowers. Caps the cylinder block to seal the combustion chamber. Replace if cracked, warped, or damaged from overheating.
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$35.71
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$42.49
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$6.78
Out Of Stock
Usually ships within 4 - 14 days
Genuine Husqvarna part
By: Husqvarna
Part Number: 545154009
Piston ring seals the cylinder wall and piston groove in gas trimmers, edgers, and blowers. Replace if cracked, broken, or worn to restore proper seal.
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$5.50
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$6.60
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$1.10
Out Of Stock
Usually ships within 4 - 14 days
Genuine Husqvarna part
By: Husqvarna
Part Number: 577235901
This flywheel assembly is for use with trimmers and pruners. This part is located on the crankshaft on the outside of the case, and it creates a spark from the magnets on its sides. Flywheels can become damaged or worn with use over time and should be replaced if they are no longer functioning as they should.Check for knocking, rattling or other chirping noises when the flywheel is engaged; these are signs that it is failing. Eventually, once this part has failed completely, the garden tool will no longer function at all. Replacing a flywheel assembly is a simple task with the appropriate tools. Wear gloves for protection while making the repair. Be sure the device is entirely cooled before attempting to work on it.This flywheel assembly is an authentic OEM replacement part. It is made from high-quality, solid, metal materials. The flywheel assembly is sold as an individual unit. The replacement part is sourced directly from the manufacturer. It can be installed in both Husqvarna and Poulan brand lawn equipment. It is used in over 25 different models of trimmers and pruners.
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$13.46
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$15.06
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$1.60
Out Of Stock
Usually ships within 4 - 14 days
Genuine Husqvarna part
By: Husqvarna
Part Number: 585415401
Crankshaft assembly for gas line trimmers. Installs inside the engine housing. Replace if cracked, bent, worn, or damaged to restore proper operation.
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$25.51
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$30.61
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$5.10
Out Of Stock
Usually ships within 4 - 14 days