{"product_id":"ignition-coil-iridium-spark-plugs-for-buick-terraza-2006-2007-3-9l-v6","title":"Ignition Coil \u0026 Iridium Spark Plugs for Buick Terraza (2006-2007) 3.9L V6","description":"\u003ch2\u003eHigh-Voltage Ignition Coil \u0026amp; Iridium Spark Plugs for 2006-2007 Buick Terraza\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This complete ignition tune-up kit replaces worn factory coils, plugs, and wires to restore optimal spark timing, resolve misfire conditions, and improve combustion efficiency in the 3.9L V6.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Terraza Ignition Weakness\u003c\/h3\u003e\n\u003cp\u003eThe factory ignition coil pack and standard spark plugs on the 3.9L GM High Value V6 are highly susceptible to thermal degradation due to the enclosed engine bay architecture of the U-body platform. Over time, prolonged heat soak causes the internal epoxy potting within the OEM coil pack to micro-crack. This structural failure leads to internal arcing, voltage leakage, and inconsistent primary coil saturation. Mechanical symptoms manifest as stubborn P0300 random misfire codes, rough idle, and sluggish throttle response under load. Furthermore, aging OEM spark plug wires develop high electrical resistance and carbon tracking, severely hindering the voltage required to bridge the spark gap.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive ignition overhaul mitigates thermal failure by utilizing high-dielectric epoxy resin and upgraded primary\/secondary copper windings in the coil pack, guaranteeing maximum voltage output and rapid recovery times across all operating temperatures. The inclusion of Iridium spark plugs provides a significant metallurgical upgrade over factory platinum units. Iridium's extreme melting point allows for an ultra-fine center electrode, requiring less firing voltage while providing a highly concentrated, stable spark front. The accompanying heavy-duty silicone spark plug wires feature suppressed electromagnetic interference (EMI) cores, preventing voltage drop and protecting sensitive ECM electronics. Together, these upgraded materials ensure complete cylinder combustion, restoring smooth operation and factory power delivery.\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;\"\u003e2006-2007 Buick Terraza\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;\"\u003e3.9L LZ9 V6 \/ GM U-Body Platform\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;\"\u003e240 hp \/ 240 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eUF434, SP432, 12568185, 12595088, GN10408\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2006 Buick Terraza 3.9L V6 (All Trims)\u003c\/li\u003e\n  \u003cli\u003e2007 Buick Terraza 3.9L V6 (All Trims)\u003c\/li\u003e\n  \u003cli\u003eCross-Reference OEM Parts: UF434, SP432, 3165, D599A, 5C1564, E914, 52-1826, IC554, 12568185, 12579177, 12587153, 12595088, 48714, GN10408, 6737001, IGC0068, C-740, C1521\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Buick Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eBecause family haulers and passenger minivans demand unfailing reliability during extended road trips and heavy payloads, ensuring your engine has a robust, consistent spark is non-negotiable for maximum longevity, fuel economy, and driving confidence.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50142758240504,"sku":"DS-EX20FY3SM","price":134.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-iridium-spark-plugs-for-buick-terraza-2006-2007-3-9l-v6-1.webp?v=1786463806","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-iridium-spark-plugs-for-buick-terraza-2006-2007-3-9l-v6","provider":"Performance Chip Tuning","version":"1.0","type":"link"}