Stihl 021 023 025 MS210 MS230 MS250 Chainsaw. Ignition Coil Module Fits Stihl 020 021 023 025 020T MS210 MS230 MS250 Chainsaw Replace Part Number:1123 400 1301. For Stihl 009, 010, 011, 012, 020, 020T, 021, 023, 025, 020T，MS200, MS210, MS230, MS250 Chainsaws.