JDLLONG Ignition Coil for Stihl 4180 400 1313 — Direct-Fit, Bench-Tested Replacement

High-quality JDLLONG replacement ignition coil 4180 400 1313 designed to restore spark and reliable starting for compatible Stihl brushcutters, trimmers and hedge trimmers.

If your Stihl-powered tool is slow to start, misfiring, or has no spark, the JDLLONG 4180 400 1313 ignition coil is a direct-fit replacement part engineered to meet OEM-style specifications. This part number corresponds to several OEM references (4180-400-1313, 4180 1312, 41801312, 41804001320 armature magneto) and is compatible with many Stihl models including FS, HT, KM, BT, FR and FC series machines. The unit is sold new, bench-tested for continuity, and supplied with clear fitment guidance so you can swap it in without guessing.

Which Stihl models will this ignition coil fit and replace?

This JDLLONG coil is compatible with a long list of Stihl handheld engines—especially common brushcutters, trimmers and hedge trimmers. It replaces the listed part numbers and fits both older and some “-Z” variation model codes used by Stihl.

• Fits FS89, FS89R, FS91, FS91R, FS111, FS111R, FS111RX, FS131, FS131R
• Fits KM91R, KM111R, KM131, KM131R, BT131, FR131T, FC91, FC96, FC111
• Fits HT101, HT102, HT103, HT105, HT130, HT131, HT132, HT133, HT134, HT135 and their -Z variants

How difficult is the installation and what basic tools do I need?

Installation is straightforward for anyone comfortable with small-engine maintenance. Typical steps include removing the engine cover, unplugging the old coil lead and spark plug, unbolting the coil, and transferring any mounting hardware before fitting the new unit.

• Common tools: screwdriver set, socket wrench, torque wrench (optional)
• Estimated time: 20–40 minutes depending on model and access
• No advanced tuning required—align gap per Stihl spec and secure mounting

Will this ignition coil improve performance or reliability?

Replacing a worn or faulty coil restores proper voltage delivery to the spark plug, which helps consistent starting and reduces misfires. While it won’t change engine power, it stabilizes ignition timing so the engine runs as the manufacturer intended.

• Delivers consistent spark for reliable starting and smoother idling
• Manufactured to professional specification for long life under normal use
• Helps eliminate weak-spark symptoms like stalling or poor throttle response

How can I verify the part before purchase and troubleshoot if problems continue?

Confirm fitment by matching your original part number to 4180 400 1313 and checking model compatibility. If issues persist after installation, test spark with a plug tester and inspect wiring, ignition switch, and kill circuit for continuity.

• Match part numbers: 4180-400-1313, 4180 1312, 41801312, 41804001320
• If no spark: re-check gap, wiring, kill switch, and spark plug condition
• Contact JDLLONG support for fitment help or replacement questions

Who is this for: The JDLLONG 4180 400 1313 ignition coil is intended for DIY mechanics, landscaping professionals, and anyone who maintains Stihl handheld engines and needs an affordable, reliable replacement coil. It’s ideal if you own one of the compatible Stihl models listed above and want a direct-fit part that meets professional specifications without the wait or cost of dealer-only components. For peace of mind, JDLLONG provides customer support to answer fitment and installation questions within 24 hours.