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Sm21 Parts

Some parts shown may not be for your model. To see parts for your model only, select it from "Matching Model Numbers" list on the left.

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Hub Pulley Si Sm
Genuine Husqvarna part
By: Husqvarna
Part Number: 545052401

 

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$6.70
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$7.52
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$0.82

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Leaf Blower Engine Gasket Kit
Genuine Husqvarna part
By: Husqvarna
Part Number: 545081832

Complete engine gasket kit for gas leaf blowers. Replace when engine runs rough, overheats, or loses power. Includes all essential gaskets. Verify fit.

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$20.95
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$25.14
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$4.19

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Leaf Blower Cylinder Head
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

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Gas Trimmer Piston Ring
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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$5.95
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$7.14
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$1.19

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Leaf Blower Fuel Tank
Genuine Husqvarna part
By: Husqvarna
Part Number: 578943308

Replacement fuel tank for gas leaf blowers. Installs as the main fuel storage container. Replace if cracked, leaking, or damaged from impact or wear.

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$24.39
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$28.78
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$4.39

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Leaf Blower Muffler
Genuine Husqvarna part
By: Husqvarna
Part Number: 525592801

Replacement muffler for gas leaf blowers. Reduces engine noise and maintains proper exhaust pressure. Replace if cracked, rusted, or excessively loud.

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$56.95
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$67.77
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$10.82

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Trimmer Assembly Screw
Genuine Husqvarna part
By: Husqvarna
Part Number: 530015880

Assembly screw for grass line trimmers, leaf blowers, and pruners. Secures internal components and housing panels. Replace if stripped, missing, or damaged.

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$4.77
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$5.72
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$0.95

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Brush Cutter Retaining Ring
Genuine Husqvarna part
By: Husqvarna
Part Number: 530015941

Retaining ring fastener for brush cutters and trimmers. Holds components securely together. Replace if cracked, worn, or missing for proper assembly.

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$2.95
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$3.51
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$0.56

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Screw
Genuine Husqvarna part
By: Husqvarna
Part Number: 530016386

This is a genuine OEM lawn and garden equipment screw that is used in various types of machines. It is a tapping screw that may have several applications depending on the exact equipment in question. A hex key screw is responsible for providing a secure hold for various components. It is made of durable metal, but also exposed to high heat and constant vibrations which can lead to wear, damage, or even breaking. The screw should always be replaced with an OEM replacement. This genuine OEM tapping screw is manufactured by Poulan. It is designed to be used in select outdoor power equipment units from the brand. It can also be used in compatible models from Paramount, Weed Eater, Jonsered, and Husqvarna. It fits trimmers, chain saws, and hedge trimmers from these brands. The tapping screw is sold individually and does not include any additional hardware or parts. A Torx screwdriver or hex key will be required to replace this tapping screw. Be sure to wear gloves when performing engine repairs and allow the machine to cool completely before starting work.

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$12.61
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$14.88
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$2.27

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Spark Plug
Genuine Husqvarna part
By: Husqvarna
Part Number: 530030180

This spark plug is a genuine Husqvarna part, sold individually. This spark plug can be used as a replacement part for tillers, string trimmers, leaf blowers, edgers, hedge trimmers, chainsaws, and pole pruners.Spark plugs in outdoor appliances such as these might have to be replaced if they are not functioning as usual. If the ignition system is not working, if the spark plugs are not igniting in the first place, or if the spark plugs are igniting but the engine is not powering on, it is likely that the spark plugs are damaged and should be replaced by this genuine OEM replacement part. Remember to always wear gloves when handling, repairing, and operating outdoor equipment. This is an OEM part sourced directly from the manufacturer. It is sold individually. This spark plug is compatible with the following outdoor appliance brands: Husqvarna, Stihl, Craftsman, Weed Eater, Toro, Cub Cadet, Ryobi, Homelite, Poulan, Wheel Horse, Tecumseh, Tanaka, Black Max, and Green Machine.

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$6.41
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$7.56
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$1.15

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Leaf Blower Carburetor Primer Bulb
Genuine Husqvarna part
By: Husqvarna
Part Number: 530035497

Replaces cracked or worn primer bulb that covers the carburetor primer base. Installs on gas leaf blowers and line trimmers to pump fuel for starting.

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$11.95
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$14.34
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$2.39

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Trimmer Crankshaft Outer Bearing
Genuine Husqvarna part
By: Husqvarna
Part Number: 530055728

Crankshaft outer bearing creates a flexible joint for moving components. Replace when you notice excessive vibration or noise during operation. Verify fit with your equipment's model number before ordering.

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$11.75
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$13.98
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$2.23

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Leaf Blower Recoil Starter Pulley Kit
Genuine Husqvarna part
By: Husqvarna
Part Number: 545050407

Won't start or rope won't retract? This recoil starter pulley kit restores pull-start function on gas leaf blowers and line trimmers. DIY-friendly.

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$13.39
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$15.93
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$2.54

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Leaf Blower Starter Rope Kit
Genuine Husqvarna part
By: Husqvarna
Part Number: 545050416

Starter rope kit for gas leaf blowers. Includes pull cord and necessary components. Replace when rope is frayed, broken, or won't retract properly.

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$8.35
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$9.94
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$1.59

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Leaf Blower Momentary Switch Kit
Genuine Husqvarna part
By: Husqvarna
Part Number: 545081830

Leaf blower won't turn on or off? This momentary switch kit controls power to your handheld blower. Simple repair for worn or damaged switches.

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$9.34
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$11.02
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$1.68

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Capillary Tube
Genuine Friedrich part
By: Friedrich
Part Number: 01389975

 

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$6.49
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$7.20
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$0.71

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  • boxes images Over 2.1 Million Parts In Stock
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