A genuine Jonsered chainsaw bar screw nut that restores the secure fit of your guide bar in seconds. This single‑piece replacement nut is engineered to match the original specifications, ensuring reliable torque and a tight seal every time you tighten the bar.
Why choose this nut?
– Exact fit: Designed for Jonsered models 2139T, 2153, 2156, 2159 and a full range of compatible series (2041, 2045, 2050, 2054, 2188, 2234, 2240, 2245, 2255).
– Durable construction: Made from hardened steel to resist wear and corrosion under tough cutting conditions.
– Easy installation: Threaded design slides onto the bar’s screw hole without the need for special tools—just tighten with a standard wrench.
Pack details: One (1) authentic replacement nut per package.
Keep your Jonsered chainsaw performing at its best with a part that meets OEM standards. Whether you’re a professional arborist or a weekend DIYer, this bar screw nut delivers the confidence you need for safe and efficient cutting. Search terms like “Jonsered bar nut replacement,” “chainsaw guide bar screw,” and “compatible Jonsered chainsaw parts” will guide you straight to this reliable solution.





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