This Ignition Module is a genuine replacement for Stihl MS311 and MS391 chainsaws, with Manufacturer Part Number 1140 400 1307. Designed to generate and regulate a reliable high-voltage spark, it ensures consistent starting and smooth engine performance. The module features an epoxy-potted coil around a laminated steel core, along with an insulated high-tension lead and a robust rubber spark plug boot for secure connection. Built to withstand the demands of forestry and garden work, it resists heat, vibration, and moisture for long-lasting reliability.
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