The Pump Piston is a genuine Stihl component designed specifically for the bar and chain oiling system in selected professional chainsaws, including the MS 341 and MS 361. This precision-machined metal part plays a crucial role in actuating the oil pump, ensuring a steady flow of bar oil to the guide bar and chain. By restoring consistent lubrication, the Pump Piston helps prevent overheating and wear, ultimately supporting smooth cutting performance and extending the dependable service life of your chainsaw.
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