We have used efco chainsaw parts for newer models on hand.

Efco 156 165 chainsaw chain cover brake assembly
Chainbrake clutch drive cover, complete with brake assembly. Part number 50012044AR In good used shape Fits Efco Oleo-Mac 156, 165

Efco 156 165 chainsaw chain cover brake assembly 50012044AR
Chainbrake clutch drive cover, complete with brake assembly. Part number 50012044AR New Fits Efco Oleo-Mac 156, 165
(2 in stock)

efco 956, 962 chainsaw chip guard deflector new pn 50010062 (new efco bin)
Part: chip guard deflector for the clutch cover Part # 50010062 Condition: new Fits: Efco 962, 956
(1 in stock)

Efco 156 165 chainsaw chain cover brake assembly #2
Chainbrake clutch drive cover, complete with brake assembly. Part number 50012044AR In good used shape. Has some corrosion and a couple of small holes. Fits Efco Oleo-Mac 156, 165

Efco MT 3500 chainsaw chain cover 50240144R (BOS)
Chain cover Part number 50240144R NEW take off from brand new disassembled saw. May be dusty and have a few skuffs from storage. Fits Efco MT3500