Brand New Aftermarket Replacement Trigger Torsion Spring for 017, 018, 019T, 021, 023, 025, 024, 026, 028, 028AV, 029, 030, 031, 032, 039, MS170, MS170C, MS171, MS171C, MS180, MS180C, MS181, MS181C, MS210, MS210C, MS211, MS211C, MS230, MS230C, MS240, MS250, MS250C, MS260, MS260C, MS270, MS270C, MS280, MS280C, MS290., MS310, MS340, MS360, MS360C, MS361, MS361C, MS362, MS362C, MS380, MS390, MS440, MS460, MS640, TS400 Chainsaws. Fits Stihl MS210C, MS211, MS211C, MS230, MS230C, MS240, MS250, MS250C, MS260, MS260C, MS270, MS270C, MS280, MS280C, MS290., MS310, MS340, MS360, MS360C, MS361, MS361C, MS362, MS362C, MS380, MS390, MS440, MS460, MS640 Stihl Throttle Trigger Spring Torsion Spring For Throttle Trigger Interlock Fits Stihl MS 381 MS 38 Ms381 Ms382 TS400 MS380 Spring STIHL 4144 182 4501 Throttle Torsion Spring FITS HT56C, FC70C, FS40 FOEM Throttle Trigger for STIHL TS400 Concrete Cut-Off Saw Replaces 4223 182 1000 and 42231821000 KARBURÁTOR STIHL 038 MS380 MS381 MS 380 381 Replacement for Part Number 1117 182 4500 and 11171824500