This genuine STIHL fuel tank, part number 41343500450, is an authentic OEM replacement component designed for various STIHL trimmers and brushcutters including FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R, FS 300, FS 350, FR 350, FR 450, FR 480, BT 120 C, and BT 121. Manufactured to STIHL's rigorous quality standards, it ensures a perfect fit and reliable performance, maintaining the integrity of your equipment's fuel system. This durable tank provides secure fuel storage, preventing leaks and ensuring consistent fuel delivery to the engine.