1. Part Number: The engine ignition module coil replacement part number is 1130 400 1302 for reference, please check the part number of your original one before purchasing. 2. Ideal Application: The heavy duty ignition coil module is specially designed to replace 017 018 MS170 MS 180 chainsaw to meet your demands perfectly. 3. Superior Electrical Performance: The ignition coil is designed to improve combustion efficiency and strengthen electrical performance, bringing better using experience. 4. Fast Response: The reliable ignition coil of the chainsaw can provide higher intensity spark with faster recovery and response, providing you with more convenience. 5. Good Replacement: The coil part of the engine module can greatly increase the ignition energy intensity for easy starting and smooth driving, you can replace your original one with OEM standards. Specification: Item Type: Chainsaw Ignition Coil. Material: ABS, Steel Replacement Part Number: 1130 400 1302 Compatibility: Replacement for 017 018 MS170 MS 180 Chainsaw. Package List: 1 x Chainsaw Ignition Coil 2 x Harness Note: 1. Please check the part number of your item, the corresponding information is provided for informational purposes only. 2. If you are not sure about the item, please contact us before purchasing to avoid unnecessary returns, thank you