42mm piston and cylinder block kit for Husqvarna 345 petrol chainsaw, compatible cylinder/piston ring assembly

This product was specifically developed for the Husqvarna 345. It meets the original factory specifications for this chainsaw series. 42mm piston and cylinder unit (cylinder block kit). This component is an essential part of engine repair. It includes key components such as a precision-machined cylinder block, a matching piston, and piston rings. Manufactured to the original manufacturer's stringent technical standards, this component addresses issues such as cylinder wear, piston ring failure, cylinder seizure, or compression loss caused by prolonged use, insufficient lubrication, or overheating. Replacing this component can fully restore the engine's compression, power, and efficiency. It effectively resolves problems such as starting difficulties, power loss, and blue smoke.