We have used efco chainsaw parts for newer models on hand.
Part: rear handle trigger cover Part # 50010083 Condition: good used/working order Fits: Efco 165, 156
Rear trigger handle assembly includes trigger, interlock, throttle link rod and AV spring mounts Part numbers 50240023R, 50240024R, 50170248 NEW take off from brand new disassembled saw. May be dusty from storage. Fits Efco MT3500