{"product_id":"ignition-coil-and-iridium-spark-plugs-for-suzuki-aerio-2004-2007-2-3l","title":"Ignition Coil and Iridium Spark Plugs for Suzuki Aerio (2004-2007) 2.3L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Service Kit for 2004-2007 Suzuki Aerio\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrimary Function:\u003c\/strong\u003e Restores high-voltage ignition delivery and eliminates secondary circuit misfires across all four cylinders in high-mileage J23A powertrains.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Aerio Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe factory ignition system on the 2.3L Aerio is prone to dielectric breakdown over time due to sustained underhood thermal cycling. As the factory epoxy insulation degrades, internal secondary copper windings develop micro-shorts, leading to severe voltage drop under load, erratic idle, and P0300-P0304 trouble codes. Concurrently, factory standard spark plugs suffer rapid electrode erosion, widening the gap and forcing aging coil packs to work past their rated dielectric threshold.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis complete refresh kit pairs four heavy-duty coil-on-plug assemblies with four fine-wire iridium spark plugs. The coils feature high-conductivity internal copper windings insulated with premium-grade dielectric epoxy potting to resist thermal degradation and internal flashover. Coupled with corrosion-resistant blade terminals and fine-wire iridium spark plugs that require lower ionization voltage, this system ensures reliable arc transfer, rapid flame front propagation, and stable idle.\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;\"\u003e2004-2007 Suzuki Aerio\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;\"\u003e2.3L DOHC Inline-4 (J23A) \/ RD51S, RC51S\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;\"\u003e155 hp \/ 152 lb-ft\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;\"\u003eUF237, UF-237\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2004-2007 Suzuki Aerio Base (2.3L L4 - J23A)\u003c\/li\u003e\n  \u003cli\u003e2004-2007 Suzuki Aerio S (2.3L L4 - J23A)\u003c\/li\u003e\n  \u003cli\u003e2004-2007 Suzuki Aerio GS (2.3L L4 - J23A)\u003c\/li\u003e\n  \u003cli\u003e2004-2007 Suzuki Aerio SX (2.3L L4 - J23A)\u003c\/li\u003e\n  \u003cli\u003e2004-2007 Suzuki Aerio Premium (2.3L L4 - J23A)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Suzuki Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to deliver clean combustion and factory-spec throttle response, this kit restores original JDM engine efficiency and eliminates persistent check engine lights for dependable daily operation.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50451948011768,"sku":"DS-EO1FVAV79","price":106.95,"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-suzuki-aerio-2004-2007-2-3l-1.jpg?v=1788714000","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-and-iridium-spark-plugs-for-suzuki-aerio-2004-2007-2-3l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}