Amazon.com: ProPart Fuel Tank Cap For Stihl FS55 FS62 FS66 FS72 FS74 FS75 FS76 FS80 FS81 FS88 Trimmers Also Replacement for Stens # 125-207 Replacement for Part # 4128 350 0505 and 4128 350 0504 : Patio, Lawn & Garden
Stihl Smart Connector
Proline® Fuel Cap O-Ring For Stihl Flip Fuel Cap 9645 948 7734