Features 1. OE Number: The OE number for this ignition coil is 573935701, designed based on original equipment specifications. 2. Fitment: This chainsaw ignition coil is compatible with Jonsered CS2240, Jonsered CS2245, Husqvarna 435, and Husqvarna 445 models. 3. Function: Increases ignition energy intensity for easier starting, improves combustion efficiency, and enhances electrical performance. 4. High Quality: Constructed with high-quality copper for durability and reliable performance, helping restore chainsaw operation. 5. Easy Installation: Replace the old or damaged igniter by removing the original unit and installing the new coil in the same manner. Specification Item Type: Ignition Coil Module OE Number: 573935701 Material: Copper Fitment: Compatible with Jonsered CS2240 Chainsaw Compatible with Jonsered CS2240 S Chainsaw Compatible with Jonsered CS2245 Chainsaw Compatible with Jonsered CS2245 S Chainsaw Compatible with Jonsered CS2250 S Chainsaw Compatible with Husqvarna 435 E Chainsaw Compatible with Husqvarna 435 Chainsaw Compatible with Husqvarna 440 E Chainsaw Compatible with Husqvarna 445 Chainsaw Compatible with Husqvarna 445 E Chainsaw Compatible with Husqvarna 450 Chainsaw Compatible with Husqvarna 450 E Chainsaw Package List 1 x Ignition Coil