Oil Pump & Worm Gear Tool Fit for Stihl 066 MS660 MS650 Chainsaw 1122 640 3205 p
(Compatible With: fit for Stihl 066 MS650 MS660 Chainsaw. 1 x worm gear with spring. 2) Perfect match for the original one. Other Part Number: 1122 640 7105, 1122 647 2401. 4) Stable characteristics, high reliability.