learn e.g
for most Stihl chainsaw models,
e.g. models; MS261, MS260, MS251, MS250, MS231, MS230, MS211, MS210, MS200, MS181, MS180, MS170(newer), 026, 025, 024, 023, 021, 018, 017(newer)
~8mm fuel hose outlet.
replace Original numbers
Stihl 00003503504, 00003503500, 0000-350-3504, 0000-350-3500