{"product_id":"def-ignition-coil-for-husqvarna-435-450-oem-replacement","title":"DEF Ignition Coil for Husqvarna 435–450 (OEM Replacement)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003e DEF ignition coil is a direct replacement part crafted for select Husqvarna chainsaws, including models 435, 435E, 440, 440E, 445, 445E, 450, and 450E. Engineered to mirror original specifications, this coil supports reliable ignition timing and steady engine response, helping you maintain smooth operation between cleanings or during regular use. \u003c\/p\u003e\u003ch2\u003eCompatibility and fit\u003c\/h2\u003e\u003cp\u003eThis coil replaces the following OEM part numbers: 573935702, 505427201, 573935701, and 544243801. It is designed to install with the same mounting points and electrical connector as the original component, so installation is intended to be straightforward for the right Husqvarna saws.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHusqvarna 435 and 435E\u003c\/li\u003e\n\u003cli\u003eHusqvarna 440 and 440E\u003c\/li\u003e\n\u003cli\u003eHusqvarna 445 and 445E\u003c\/li\u003e\n\u003cli\u003eHusqvarna 450 and 450E\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey benefits and features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOEM-equivalent design for compatibility with the factory wiring harness\u003c\/li\u003e\n\u003cli\u003eSolid construction intended to withstand typical outdoor conditions and vibration\u003c\/li\u003e\n\u003cli\u003eCopper windings aimed at efficient spark delivery\u003c\/li\u003e\n\u003cli\u003eReplaces four common Husqvarna part numbers for flexible sourcing\u003c\/li\u003e\n\u003cli\u003eDirect swap-in part to support easier maintenance and quicker repairs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDisconnect the spark plug before starting any replacement\u003c\/li\u003e\n\u003cli\u003eMatch the coil’s connector and mounting position to the original setup\u003c\/li\u003e\n\u003cli\u003eCheck associated ignition components if performance issues persist\u003c\/li\u003e\n\u003cli\u003eFollow your saw’s service manual for torque and seating recommendations\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNote: This DEF ignition coil is presented as a compatible, OEM-equivalent option intended to restore or maintain ignition performance on eligible Husqvarna chainsaws. Results may vary with overall engine condition and maintenance history.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which Husqvarna models is the DEF ignition coil compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with Husqvarna 435, 435E, 440, 440E, 445, 445E, 450, and 450E models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the potential benefits of this replacement ignition coil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It may support reliable spark delivery and smoother starts in compatible chainsaws.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DEF","offers":[{"title":"Default Title","offer_id":43989314732166,"sku":"B082DXTCXC","price":22.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/1602\/5478\/files\/def-ignition-coil-husqvarna-435-440-445-450.jpg?v=1778862827","url":"https:\/\/patiozora.com\/products\/def-ignition-coil-for-husqvarna-435-450-oem-replacement","provider":"PatioZora","version":"1.0","type":"link"}