Part Number: 92-100-216 Old Part Number(s): 2-100-215, 2-100-216, 92-100-215, Core 215, Core 216 Minn Kota 101# Thrust Armature Assembly for 4" Diameter Lower Units Fits all 101# thrust Minn Kota Motors from 2005 - Present (Excluding the EM101 and RT/EM 101) This armature assembly will come with the sealed ball bearing and the e clip already installed.