Stihl 1123 640 7102 Worm

The Oil Pump Worm Gear is a genuine Stihl replacement part specifically designed for small and mid-size chainsaws, including the MS 170 and MS 180 models. Constructed from durable polymer and featuring a steel drive spring, this component effectively transfers rotation to the oil pump, ensuring a consistent flow of lubricant to the bar and chain. Replacing a worn or stripped worm gear with the Stihl Oil Pump Worm Gear restores proper chain oiling, which helps prevent premature wear and supports smooth, reliable cutting performance. Keep your chainsaw operating at its best with this essential replacement part.

Stihl 021, 023, 025, MS 162, MS 162 C, MS 170, MS 170 C, MS 171, MS 171 C, MS 172, MS 172 C, MS 180, MS 180 C, MS 181, MS 181 C, MS 182, MS 182 C, MS 190 T, MS 191 T, MS 210, MS 210 C, MS 211, MS 211 C, MS 230, MS 230 C, MS 231, MS 231 C, MS 250, MS 250 C, MS 251, MS 251 C