The Cylinder Kit for Husqvarna brushcutters is a genuine Husqvarna replacement part designed to restore compression and top-end performance on two-stroke engines. Built from durable, finned aluminium alloy to aid heat dissipation, it is engineered for a precise fit and reliable sealing in demanding cutting conditions. This OEM kit suits professional and domestic users maintaining machines that see regular use in forestry, landscaping, and grounds care. It is designed specifically for Husqvarna models 345FR and 545FR, and replaces OEM reference 577 27 49 01. Using genuine parts helps maintain output, fuel efficiency, and starting performance, and supports long service life when combined with correct lubrication and air filtration. Ideal for routine overhauls or repairs following loss of power, scoring, or wear on the top end.

Key Features:
– Genuine Husqvarna part for assured compatibility and performance- Precision fit to maintain correct compression and power delivery- Durable aluminium alloy construction with cooling fins for heat control- Direct replacement for OEM ref. 577 27 49 01 on specified models- Helps restore easy starting, idle stability, and cutting efficiency- Made for two-stroke brushcutter engines used in tough environments- Consistent quality supports engine reliability over long service intervals- Suitable for professional and DIY maintenance to minimise downtime- Works with existing engine hardware on the listed Husqvarna models- Clear OEM specification reduces the risk of mismatch or rework

Typical Applications:
Used to refurbish the top end of Husqvarna brushcutters that have reduced power, poor starting, or visible cylinder wear. Suitable for regular maintenance in forestry thinning, overgrown brush clearing, verge and estate upkeep, commercial landscaping, and farm or site maintenance where dependable performance is required.

Also known as:
Brushcutter cylinder kit, cylinder and piston kit, top-end kit, engine cylinder replacement, pot and piston set, OEM cylinder assembly for Husqvarna brushcutters, 2-stroke cylinder kit for Husqvarna.

Fits Models:
345FR, 545FR, 545FX, 545FXT, 545RX, 545RXT

Alternate Part Numbers:
577 27 49-01, 577274901

Product Specifications