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- 4149 400 1312 STIHL Ignition Module – Genuine OEM Part
Description
4149 400 1312 STIHL Ignition Module – Genuine OEM Part
The STIHL Ignition Module (4149 400 1312) is a genuine OEM ignition coil/module designed for use on select STIHL trimmers and brushcutters. This ignition module is responsible for generating the electrical spark required to ignite the air/fuel mixture and ensure proper engine operation. Serial number ranges apply (see compatibility below).
Replacing a faulty ignition module can help resolve issues such as no spark, hard starting, misfiring, or intermittent engine shutdown. Installing a genuine STIHL OEM module ensures correct fitment, reliable spark output, and long-lasting performance.
Manufactured to STIHL factory specifications, this ignition module provides dependable ignition timing and consistent engine operation.
Product Details
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OEM Part Number: 4149 400 1312
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Brand: STIHL (Genuine OEM)
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Part Type: Ignition Module / Ignition Coil
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Application: Engine ignition system
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Condition: New Genuine OEM Part
Function
This OEM ignition module is designed to:
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Generate spark for engine combustion
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Maintain correct ignition timing and reliable starting
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Replace faulty or damaged ignition coils/modules
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Help restore consistent engine performance
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Prevent misfires, no-start conditions, or engine stalling
⚠️ A failing ignition module may cause loss of spark, poor running, or sudden engine shutdown.
Verify Fitment (Recommended)
Before ordering, confirm:
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OEM part number 4149 400 1312
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Your STIHL model is listed below
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Your engine serial number matches the range shown
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Part location matches your OEM parts diagram
⚠️ Always verify fitment by OEM part number and engine serial number for best accuracy.
Compatibility (Fits STIHL Models)
(Serial number range applies)
Trimmers / Brushcutters
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FS 94 R — Engine from serial number 516962085
Installation Notes
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Turn off engine and disconnect spark plug
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Remove engine shroud/covers to access ignition module
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Disconnect wiring and remove the old module
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Install STIHL OEM ignition module 4149 400 1312
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Set proper air gap to flywheel per STIHL specifications
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Reassemble and test for spark and smooth operation
⚠️ Proper air gap adjustment is critical for correct ignition performance.
Maintenance Tips
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Inspect ignition wiring regularly for wear or damage
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Keep flywheel and ignition area clean and free of debris
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Replace faulty modules promptly to prevent starting issues
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Use genuine STIHL OEM ignition parts for best reliability
