The Compression Spring for Stihl, part number 0000 997 3100, is a genuine OEM replacement part specifically designed for mowing head assemblies in various Stihl equipment. Made from high-quality spring steel, this spring ensures controlled compression, keeping moving parts properly seated for smooth operation. In the AutoCut 5-2 trimmer head, the Compression Spring is essential for the line-feed mechanism, enabling the spool to return and the bump-feed action to function effectively. It is also used in select TE-series tools as part of the original assembly. With precise dimensions of an inner diameter of 27.4 mm, an outer diameter of 31 mm, and a free length of 32 mm, this spring is engineered to meet factory specifications, making it a reliable choice for maintenance and repairs.
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