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Lycoming 66K4F3Sn-02 EIS Electronic Ignition System

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Lycoming 66K4F3Sn-02 EIS Electronic Ignition System

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Part numbers : RX1-07-25427 , 66K4F3SN-02 , 07-25427
Unit of Measure: EA

2819.68 EUR / EA 2819.68 EUR 2,819.68 € excl. VAT

2819.68 EUR / EA excl. VAT

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The Lycoming EIS Electronic Ignition System, part number 66K4F3SN-02, is a solid-state electronic ignition unit configured for 25° fixed timing and replacement of an impulse-coupled (IC) magneto.

Designed by Lycoming as an electronic ignition solution, the EIS uses a solid-state design with no moving parts. This unit is identified in Lycoming’s approved EIS application table for specific engine models and ignition positions.

  • Manufacturer: Lycoming Engines
  • Manufacturer part number: 66K4F3SN-02
  • Configuration: impulse-coupled (IC) drive
  • Fixed ignition timing: 25° BTDC
  • Unit weight: 3.175 kg

Please confirm the engine model, ignition position, drive type and required timing against the current Lycoming documentation and the applicable aircraft maintenance data before installation.

Relevant documentation: Lycoming Service Instruction SI 1443.

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