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

Efco Olympyk 980 chainsaw piston assembly 52mm 098000033 NEW
Piston w/ rings, wrist pin, and clips Efco part number : 098000033, 098000033B, 098000312B New aftermarket part Fits Efco, Olympic, Oleo Mac, Olympyk 980, 981, MT8200, MT 8200
Efco Olympyk 152 Chainsaw Piston Assembly 45mm 50082014 NEW
45mm diameter, piston kit includes: piston, rings, wrist pin, and clips. Efco part number : 50082014 New aftermarket part Fits Efco, Olympic, Oleo Mac, Olympyk 152, 952, John Deere CS52 CS-52
Efco Olympyk 970 chainsaw piston assembly 50mm 097000205B NEW
50mm bore piston kit w/ rings, wrist pin, and clips. Efco part number : 097000205 B, 097000205B New aftermarket part Fits Efco, Olympic, Oleo Mac, Olympyk 970, MT7200, MT 7200, 971
Efco 962 chainsaw piston kit 50092013a NEW
48mm bore. Piston assembly includes: piston, ring, wrist pin, and keeper clips. 50092013, 50092013A New OEM part Fits Efco, Olympyk, Oleo-Mac 165 162 962
Efco Olympyk 156 Chainsaw Piston Assembly 46mm NEW 50012024
Piston assembly kit includes: piston, rings, wrist pin, and clips. Efco part number : 50012024, 50010320 New aftermarket part Fits Efco, Olympic, Oleo Mac, Olympyk 156, 956

Efco Olympyk 951 chainsaw piston assembly 46mm OL0014 (Box G)
Piston w/ rings, wrist pin, and clips Efco part number : 095100009, 0951.00009 New aftermarket part Fits Efco, Olympic, Oleo Mac, Olympyk 951, 950, 950s
(2 in stock)

Efco Olympyk 147 chainsaw piston assembly 42mm OL0013 (Box H)
Piston w/ rings, wrist pin, and clips Efco part number : 50072032 New aftermarket part Fits Efco, Olympic, Oleo Mac, Olympyk 947, 147
(2 in stock)

Efco Olympyk 940 chainsaw piston assembly 40mm OL0002 (Box Z)
Piston w/ rings, wrist pin, and clips Efco part number 05006027 New aftermarket part Fits Efco, Oleo Mac, Olympyk 940 and others
(2 in stock)

Efco 165 chainsaw piston assy. 50092013a NEW
Piston Assy 48mm 50092013, 50092013A New OEM part Fits Efco 165
(2 in stock)

Efco Olympyk 350 chainsaw piston assembly 46mm OL0012 (Box G)
Piston w/ rings, wrist pin, and clips Efco part number : 035500129 New aftermarket part Fits Efco, Olympic, Oleo Mac, Olympyk 350

Efco 165 Chainsaw Wrist Pin and Bearing
Piston pin, small end rod bearing, and keepers. Efco part number: 50010031R, 3037014 In good used shape Fits Efco 956, 962, 156, 165
(1 in stock)

efco 165 chainsaw wrist pin and clip set
Part: wrist pin and clip set for the piston Condition: good used/working shape Fits: Efco 165