{"product_id":"ignition-coil-and-iridium-spark-plugs-for-cadillac-dts-2006-2011-4-6l","title":"Ignition Coil and Iridium Spark Plugs for Cadillac DTS (2006-2011) 4.6L","description":"\u003ch2\u003eDirect-Replacement Ignition Coil \u0026amp; Iridium Spark Plug Kit for 2006-2011 Cadillac DTS\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect-Fit Ignition Overhaul:\u003c\/strong\u003e Replaces degraded factory coil packs and worn electrodes to eliminate high-load misfires, stabilize idle fluctuations, and restore balanced combustion across all eight cylinders.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock DTS Thermal Breakdown\u003c\/h3\u003e\n\u003cp\u003eTransversely mounted in the GM G-body engine bay, the 4.6L Northstar V8 generates significant underhood thermal loads. Extended thermal cycling causes factory coil epoxy insulation to crack, leading to internal winding short-circuits and secondary voltage arcing. Concurrently, factory spark plugs suffer from gap widening and electrode erosion, drastically increasing the required ignition firing voltage and straining the primary ignition circuit.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis 8-cylinder direct-replacement kit pairs 8 heavy-duty coil-on-plug units with 8 fine-wire iridium spark plugs. The ignition coils feature dense, high-grade internal copper windings and direct-fit blade terminals to guarantee rapid saturation and reliable high-voltage output. The paired iridium plugs feature corrosion-resistant center electrodes that lower firing voltage requirements, resist fouling, and ensure crisp throttle response under hard acceleration.\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;\"\u003e2006-2011 Cadillac DTS\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;\"\u003e4.6L Northstar V8 (LD8 \/ L37) \/ GM G-Body\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;\"\u003e275-292 hp \/ 288-295 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;\"\u003eUF564, 12597745, 12602862, 12670154, D596A, C1556\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2006-2011 Cadillac DTS Base 4.6L V8\u003c\/li\u003e\n  \u003cli\u003e2006-2011 Cadillac DTS Luxury 4.6L V8\u003c\/li\u003e\n  \u003cli\u003e2006-2011 Cadillac DTS Premium 4.6L V8\u003c\/li\u003e\n  \u003cli\u003e2006-2011 Cadillac DTS Performance 4.6L V8\u003c\/li\u003e\n  \u003cli\u003e2006-2011 Cadillac DTS Livery \/ Hearse \/ Limousine 4.6L V8\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Cadillac Luxury Standard\u003c\/h3\u003e\n\u003cp\u003ePrecision-matched to original factory signaling and dwell profiles, this complete ignition refresh restores the quiet, vibration-free power delivery and smooth low-RPM operation expected of premium American luxury sedans.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50447750201592,"sku":"DS-E9M5H5UJE","price":169.95,"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-cadillac-dts-2006-2011-4-6l-1.jpg?v=1788623023","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-and-iridium-spark-plugs-for-cadillac-dts-2006-2011-4-6l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}