The Husqvarna 506500903 Pulley is an authentic OEM replacement component designed to ensure optimal performance and durability in compatible Husqvarna equipment. This genuine pulley is commonly found in chainsaws, contributing to their efficient operation. With precise dimensions of 38.1 mm in length, 38.1 mm in width, and 12.7 mm in height, and weighing 0.0227 kg, it provides a perfect fit. It is compatible with a range of Husqvarna chainsaw models including the 540 XP, T540 XP, 535i XP, T535i XP, 540i XP, T540i XP, 550 XP, and 545 series.