Nos Phelon part # 4036201, fit 3.7 cube saws. weedeater trimmer used this coil on XR -series trimmers, oem # 39106 subs to 530-069181, same phelon #4036201 numbers on the poulan #530-39093 coil, fits saw model 3400/ 3700/3800/ 4000
on one of these coils the spark plug lead is shorter and would need to be swapped out if going to use on saw
on one of these coils the spark plug lead is shorter and would need to be swapped out if going to use on saw