{"product_id":"ngk-spark-plugs-iridium-ix-dpr9eix-9-spark-plug-part-number-5545","title":"NGK Spark Plugs Iridium IX DPR9EIX-9 Spark Plug, Part Number 5545","description":"Iridium IX Spark Plug - DPR9EIX-9\n\u003cp\u003eThe NGK Spark Plugs Iridium IX DPR9EIX-9 spark plug is designed to deliver dependable ignition performance, efficient combustion, and long service life. Built with a fine iridium center electrode, this spark plug supports a lower voltage requirement than conventional designs while helping reduce wear on ignition system components. The DPR9EIX-9 model is a practical replacement for applications requiring consistent spark delivery and reliable engine operation.\u003c\/p\u003e\u003cp\u003eIts ultra-small diameter iridium electrode is approximately 25% smaller than a platinum electrode and about one-quarter the size of a conventional nickel electrode. This focused electrode design promotes efficient ignition and can help improve throttle response and overall combustion stability. A newly plated metal shell also provides enhanced resistance to corrosion, supporting durability in demanding engine environments.\u003c\/p\u003e\u003cp\u003eDesigned for compatible powersports and automotive applications, the NGK Spark Plugs Iridium IX DPR9EIX-9 fits vehicles and equipment specified for this heat range, plug style, and application. Always verify the original equipment specifications and application requirements before installation. This product is manufactured by NGK Spark Plugs and is identified by manufacturer part number 5545 and vendor part number DPR9EIX9.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIridium center electrode: Provides reliable ignition performance with a fine electrode design\u003c\/li\u003e\n\u003cli\u003eReduced voltage requirement: Helps ease demand on the ignition system and may extend component life\u003c\/li\u003e\n\u003cli\u003eCompact electrode profile: Measures approximately 25% smaller than a platinum electrode and one-quarter the size of a conventional nickel electrode\u003c\/li\u003e\n\u003cli\u003eEnhanced corrosion resistance: Plated metal shell helps protect against corrosion in demanding conditions\u003c\/li\u003e\n\u003cli\u003eApplication-specific fitment: Designed for vehicles and equipment requiring the NGK Spark Plugs DPR9EIX-9 spark plug specification\u003c\/li\u003e\n\u003cli\u003eBrand and part identification: NGK Spark Plugs Iridium IX model, manufacturer part number 5545, vendor part number DPR9EIX9\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NGK SPARK PLUGS","offers":[{"title":"Default Title","offer_id":67567922708715,"sku":"DPR9EIX9","price":14.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/52209.png?v=1790799276","url":"https:\/\/ctracingservices.com\/products\/ngk-spark-plugs-iridium-ix-dpr9eix-9-spark-plug-part-number-5545","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}