General description Ignition Coil with Spark Plug designed for various Stihl models, providing reliable performance for your chainsaw needs. This replacement part ensures optimal ignition and efficient operation. Technical specifications Replaces part number: 4140 400 1308 Includes: 1 ignition coil + 1 spark plug Compatibility and accessories Compatible with: STIHL FS38, FS55, FC55, FC55Z, FC55-DZ, FS46, FS45, HL45, HL45Z, HL45-DZ, HS45, HS45Z, KM55, KM55RZ, KM55C, KM55R Not compatible with: Stihl 41401308A, 414 0 1306A, 4140 1305, 140 1303A, KM55 RC-E DZ, or R-DZ Coil models