{"product_id":"ignition-coil-spark-plugs-for-volkswagen-phaeton-touareg-2004-2006-4-2l","title":"Ignition Coil + Spark Plugs for Volkswagen Phaeton Touareg (2004-2006) 4.2L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eOEM-Grade Ignition Coil and Spark Plug Kit for 2004-2006 Volkswagen Phaeton, Touareg 4.2L (7L \/ Type 3D)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The complete ignition kit replaces worn coil-on-plug units and plugs on the 2004-2006 Volkswagen Phaeton and Touareg 4.2L to restore full spark energy, eliminate misfire codes, and recover lost engine efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Volkswagen Phaeton, Touareg Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe naturally aspirated \u003cstrong\u003e4.2L V8 40V\u003c\/strong\u003e engine produces high underhood temperatures due to its tight packaging in both the \u003cstrong\u003eTouareg (7L)\u003c\/strong\u003e and \u003cstrong\u003ePhaeton (Type 3D)\u003c\/strong\u003e engine bays. Over time, severe thermal cycling causes micro-fractures in the factory epoxy resin potting and breakdown of the coil boots. This insulation degradation induces internal shorting, erratic dwell times, and spark blow-out under load, presenting as P0300 through P0308 diagnostic trouble codes, poor fuel economy, and fouled spark plugs.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis replacement kit resolves ignition breakdown by matching eight heavy-duty coil packs with eight matched-resistance spark plugs. Built with premium magnetic copper wire and high-dielectric epoxy housing, each coil withstands excessive thermal stress without internal arc-over. Heavy-duty silicone boots seal against moisture intrusion and oil vapor contamination in the plug wells. Coupled with matched electrode plugs, this kit stabilizes flame kernel propagation, maintains high-voltage isolation, and ensures clean combustion across the entire RPM band.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\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;\"\u003e2004-2006 Volkswagen Phaeton, Touareg\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;\"\u003e4.2L V8 (AXQ, BHX, BGH, BGJ) \/ 7L, Type 3D\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;\"\u003e310-335 hp \/ 302-317 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;\"\u003eUF521, C-796, C1463, 06C905115M\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2004 Volkswagen Phaeton 4.2L V8 (Type 3D)\u003c\/li\u003e\n  \u003cli\u003e2005 Volkswagen Phaeton 4.2L V8 (Type 3D)\u003c\/li\u003e\n  \u003cli\u003e2006 Volkswagen Phaeton 4.2L V8 (Type 3D)\u003c\/li\u003e\n  \u003cli\u003e2004 Volkswagen Touareg 4.2L V8 (7L)\u003c\/li\u003e\n  \u003cli\u003e2005 Volkswagen Touareg 4.2L V8 (7L)\u003c\/li\u003e\n  \u003cli\u003e2006 Volkswagen Touareg 4.2L V8 (7L)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the Type 3D Phaeton and 7L Touareg?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 2004-2006 Volkswagen Phaeton and Touareg equipped with the 4.2L 40-valve V8 engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this ignition kit clear cylinder misfire check engine lights?\u003c\/strong\u003e\u003cbr\u003e Yes, replacing degraded factory coils and plugs with this kit directly resolves spark-related misfires and clears secondary ignition fault codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Volkswagen Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to satisfy exacting European onboard diagnostic tolerances, this matched coil and plug set prevents secondary circuit impedance variances to ensure zero check engine lights and restore factory-smooth idle quality.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50625918861560,"sku":"DS-E5DTVV3L4","price":214.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-spark-plugs-for-volkswagen-phaeton-touareg-2004-2006-4-2l-1.jpg?v=1790352869","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-spark-plugs-for-volkswagen-phaeton-touareg-2004-2006-4-2l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}