Applicable to Husqvarna 450 and 445 petrol engines, crankshaft and connecting rod assembly, essential parts for engine overhaul, original spare parts, part numbers 544290001 and 544290002.

Optimal precision, powerful heart: The crankshaft is the heart of the engine, converting piston movement into rotational energy. This crankshaft and connecting rod assembly was specifically developed for Husqvarna 445 and 450 series gasoline chainsaws. Precision forged and precision ground, it meets all manufacturer (OEM) specifications. Perfect fit: Designed specifically for Husqvarna 445 and 450 series gasoline chainsaws, it fits perfectly on various models such as the 445, 445e, 445II, 450, 450e, 450II, and 450 Rancher, and is suitable for different models with the same engine.