We have used efco chainsaw parts for newer models on hand.
efco 947, 952 chainsaw oil pump worm gear new pn 50070025 (new efco bin)
Part: worm drive gear for the oil pump. Part # 50070025 Condition: new Fits: Efco 947, 952, 152, 147 Location: new Efco bin
efco 962, 165, 156 chainsaw worm gear pn 50010036AR (efco bin 1)
Part: worm gear Condition: new Part # 50010036AR Fits: Efco 156, 165, 962 Location: Efco bin 1
efco 962, 165, 156 chainsaw worm gear pn 50010036AR
Part: worm gear Condition:good used, usable Part # 50010036AR Fits: Efco 156, 165, 962,John Deere CS56, CS62