JDLLONG Ignition Coil 4180 400 1313 – Direct-Fit for Stihl Trimmers & Hedge Tools, Restores Spark

JDLLONG 4180 400 1313 ignition coil is a direct-fit replacement magneto designed to restore spark performance on compatible Stihl trimmers, brushcutters and hedge trimmers.

If your Stihl small engine is hard to start, misfires, or loses power, a worn or damaged ignition coil can be the cause. This JDLLONG coil corresponds to part numbers 4180 400 1313, 4180-400-1313, 4180 1312 and related OEM references and is manufactured to meet professional specifications for consistent ignition and long service life. It’s engineered to match the original mounting points, lead length, and electrical output expected by popular Stihl models so you can swap it in with minimal modification.

Which Stihl models will this ignition coil work with?

This coil fits a wide range of Stihl handheld equipment, including trimmers, brushcutters, combi-tools and hedge trimmers. Compatibility covers many FS, KM, HT, FC and FR series machines commonly used by pros and homeowners.

• FS series: FS89, FS89R, FS91, FS91R, FS111, FS111R, FS111RX, FS131, FS131R
• KM/BT/FR series: KM91R, KM111R, KM131, KM131R, BT131, FR131T
• HT/FC series: HT101, HT102, HT102-Z, HT103, HT103-Z, HT105 series, HT130–HT135 variations, FC91, FC96, FC111

How does this replacement coil affect engine starting and performance?

Replacing a faulty ignition coil restores the high-voltage pulse needed to create a reliable spark at the plug, which helps with cold starts, smoother idling and full-throttle power. The JDLLONG unit is built to deliver consistent output similar to the factory part, reducing missed ignition events and backfires when properly installed.

• Reestablishes stable spark timing for improved ignition
• Helps eliminate intermittent stalling and weak starts
• Designed to fit original mounting and wiring without modification

What should I check before installing the ignition coil?

Confirm part compatibility with your model and inspect surrounding components to ensure a successful repair. While swapping the coil, examine the spark plug, kill switch wiring, airgap and the flywheel key to rule out other ignition or timing issues.

• Verify machine model and the OEM part number match listed references
• Inspect and replace the spark plug if fouled or worn
• Set correct airgap between coil and flywheel as specified by manufacturer
• Check kill-switch wiring for continuity and secure terminal connections

What are the quality and support features of this JDLLONG coil?

The coil is new and constructed to professional tolerances for durability under normal operating conditions. JDLLONG provides customer support to answer fitment or installation questions, with a commitment to respond to inquiries within 24 hours.

• New, unused ignition coil manufactured to meet professional specs
• Matches multiple OEM part numbers for easier sourcing
• Customer service available for installation and compatibility help

Who is this for: This replacement ignition coil is intended for DIY mechanics, landscape professionals and equipment repair shops who maintain Stihl handheld engines. If you own or service the listed FS, KM, HT, FC or FR Stihl models and are experiencing ignition issues, this JDLLONG coil provides a cost-effective, direct-fit option to return your machine to dependable operation.