HIPA Ignition Coil 4140 400 1308 for STIHL FC55 FS38 FS45 FS55 HL45 HS45 Trimmer Replacement manufacturer part number: 4140 400 1308 Will work on the following units that are 2001 and newer: STIHL FS38 FS45C FS55T FS55RC HL45 Notice: Please compare it with your old coil carefully, it won't fit ignition coil mark 4140 1306A / 4140 1308A / 4140 1305