Replace OEM #: 505422601 old part# 544083901 Made to Meet or Exceed OEM Specifications Package Include: 1 x Front Handle fit For 445, 450, 450E Duanxy This is non original aftermarket parts, please carefully check the pictures for compatibility before buy it. Duanxy Front Handle for Husqvarna 445 450 445E 450E Chainsaw # 505422601