{"product_id":"ignition-coil-and-iridium-spark-plugs-for-mazda-tribute-2009-2011-2-5l","title":"Ignition Coil and Iridium Spark Plugs for Mazda Tribute (2009-2011) 2.5L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2009-2011 Mazda Tribute\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Replaces degrading factory ignition components with high-dielectric coil-on-plug packs and fine-wire iridium spark plugs to restore precise secondary combustion timing, smooth engine idle, and cold-start reliability.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Tribute Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe 2.5L L5-VE engine experiences continuous thermal cycling within the tight cylinder head recess of the CD2 chassis. Over time, factory coil boots suffer dielectric breakdown, micro-arcing, and thermal fatigue, causing high-voltage leakage before the spark reaches the combustion chamber. Combined with electrode erosion on aged spark plugs, this increased resistance overburdens the internal primary windings, resulting in intermittent misfires, engine hesitation under load, poor fuel atomization, and rough idling.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive ignition service kit features four coil-on-plug assemblies engineered with high-conductivity oxygen-free copper internal windings and direct-fit blade terminal connectors. The reinforced epoxy encapsulation prevents moisture intrusion and resists thermal degradation. Matched with four fine-wire iridium spark plugs, the kit reduces the required firing voltage, provides superior thermal conductivity to prevent pre-ignition, and ensures consistent flame kernel propagation for reliable, efficient combustion under all operating loads.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2009-2011 Mazda Tribute (2.5L 4-Cylinder)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2.5L L5-VE MZR \/ CD2 Chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e171 hp \/ 171 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number \/ Interchange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eFD505, FD-505, UF621, UF-621\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2009 Mazda Tribute 2.5L L4 (i Sport, i Touring, i Grand Touring)\u003c\/li\u003e\n  \u003cli\u003e2010 Mazda Tribute 2.5L L4 (i Sport, i Touring, i Grand Touring)\u003c\/li\u003e\n  \u003cli\u003e2011 Mazda Tribute 2.5L L4 (i Sport, i Touring, i Grand Touring)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Mazda Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet rigorous daily-driver and light-utility demands, this complete ignition refresh restores throttle response, eliminates misfire codes, and ensures long-term operational durability in all weather conditions.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50452009976056,"sku":"DS-EU5GUING4","price":74.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-and-iridium-spark-plugs-for-mazda-tribute-2009-2011-2-5l-1.jpg?v=1788716907","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-and-iridium-spark-plugs-for-mazda-tribute-2009-2011-2-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}