Genuine Stihl Filler Cap Part number 0000-350-0527 which is the same part as 0000-350-0500 Fits TS400 | MM 56 MultiSystem | FC 56 | FC 70, FC 70 C | FC 90, 95 | FC 100 | FC 111 | SR 200 | SR 200-D | SR 200-Z | SR 340, SR 420 | SR 430, SR 450 | SR 430-Z | SR 440 | SR 450-Z | BT 130 | BT 131 | BT 130 Z | FC 91, 96 Please check photos and part numbers to ensure this is the required part as I am unable to accept returns due to incorrectly ordered items. Listed at a great price with free postage. Any questions just ask.