{"product_id":"ignition-coil-and-iridium-spark-plugs-for-honda-civic-2003-2005-1-3l-hybrid","title":"Ignition Coil and Iridium Spark Plugs for Honda Civic (2003-2005) 1.3L Hybrid","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2003-2005 Honda Civic\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The ignition coil and iridium spark plug kit replaces aged ignition components on the 2003-2005 Civic Hybrid to restore factory spark delivery, eliminate misfires, and improve fuel efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Honda Civic Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eES9\u003c\/strong\u003e chassis equipped with the \u003cstrong\u003eLDA1\u003c\/strong\u003e 1.3L lean-burn engine runs high duty cycles under continuous lean air-fuel conditions. Over time, OEM coil packs suffer severe thermal degradation, leading to cracked silicone boots and dielectric breakdown within the internal epoxy potting. This causes micro-arcing, intermittent spark dropouts, and diagnostic trouble codes such as P0300 through P0304. Concurrently, factory plugs suffer electrode erosion, widening the gap and placing excessive electrical strain on the primary ignition driver circuits.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis complete secondary ignition kit engineered for the \u003cstrong\u003eLDA1\u003c\/strong\u003e features high-grade thermoplastic coil bodies vacuum-potted in premium dielectric epoxy to withstand high underhood thermal cycling. Highly conductive copper windings generate maximum secondary voltage reserve, ensuring rapid dwell saturation and complete fuel combustion across the rev band. Paired with fine-wire laser-welded iridium spark plugs, this kit stabilizes idle quality, improves flame kernel development, and resists corrosion under high cylinder pressures.\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; margin-bottom: 20px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2003-2005 Honda Civic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e\n\u003cstrong\u003eLDA1\u003c\/strong\u003e \/ \u003cstrong\u003eES9\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e85 hp \/ 87 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e\n\u003cstrong\u003e30521PWA003\u003c\/strong\u003e, \u003cstrong\u003eUF373\u003c\/strong\u003e, \u003cstrong\u003eUF374\u003c\/strong\u003e, \u003cstrong\u003e30521PWAS01\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2003-2005 Honda Civic Hybrid Sedan 4-Door 1.3L l4 ELECTRIC\/GAS (ES9 Chassis)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the ES9 Civic?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 2003-2005 Honda Civic equipped with the \u003cstrong\u003eLDA1\u003c\/strong\u003e engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo these iridium spark plugs require manual gapping before installation?\u003c\/strong\u003e\u003cbr\u003e No, these plugs come pre-gapped to OEM specification; manual adjustments can fracture the fine-wire iridium electrode.\u003c\/p\u003e\n\n\u003ch3\u003eThe Honda Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to match Japanese OEM standards, this ignition package ensures seamless communication with the factory ECU and IMA hybrid assist system for uncompromised fuel economy and smooth throttle response without check engine lights.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50594784870648,"sku":"DS-EKZSGF7HX","price":140.95,"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-honda-civic-2003-2005-1-3l-hybrid-1.jpg?v=1790059439","url":"https:\/\/performancechiptuning.com\/fr\/products\/ignition-coil-and-iridium-spark-plugs-for-honda-civic-2003-2005-1-3l-hybrid","provider":"Performance Chip Tuning","version":"1.0","type":"link"}