Feature: 1. OE Number: The chainsaw ignition coil replacement part number is 503639801 for reference, please check the part number of your original one before purchasing. 2. Applicable models: The heavy duty chainsaw ignition coil is specially designed to replace Husqvarna 394 394XP 395 395XP with perfect fitness and high efficiency. 3. High efficiency: The chainsaw ignition coil can effectively improve combustion efficiency and strengthen electrical performance, providing a better using experience. 4. Fast Response: Premium chainsaw ignition coil can provide higher intensity spark with faster recovery and response, providing you with more convenience. 5. Convenient Installation: The chainsaw ignition coil is manufactured with high precision process for exact match, you can directly replace your worn or damaged coils to save your time. Specification: Item Type: Chainsaw Ignition Coil Material: Copper OE: 503639801 Compatibility: Replacement for Husqvarna 394 394XP 395 395XP Package List: 1 x Ignition Coil 1 x Spark Plug 1 x Harness Note: 1. Please check the part number of your item, the relevant information is for reference only. 2. If you are not sure about the item, please contact us before purchasing to avoid unnecessary return, thank you!