Oil Pump Worm Drive Gear And Spring Fits Stihl MS170 MS171 MS180 1123 640 7102
A quality non genuine worm gear drive and spring to fit Stihl chainsaw models 021, 023, 025, MS170, MS171, MS180, MS181, MS190T, MS191T, MS210, MS211, MS230, MS231, MS250 & MS251. Part Number.