✓【 DIRECT FIT FOR MULTIPLE VEHICLE MODELS 】 This kit fits your 4.6L/5.4L V8 – for Ford (Crown Victoria 1998-2011, E-150/E-250/E-350 1997-2014, Excursion 2000-2005, Expedition 1997-2004, Explorer 2002-2005, F-150 1997-2010, F-150 Heritage 2004, F-250 1997-1999, F-250/F-350/F-450/F-550 Super Duty 1999-2004, Mustang 1999-2004), for Lincoln (Navigator 1998-1999, Town Car 1998-2011), and for Mercury (Grand Marquis 1998-2011, Mountaineer 2002-2005). Also fits 6.8L V10 applications where equipped. Replace all 10 coils and plugs at once to stop misfires, rough idle, stalling, check-engine lights – restore lost power and throttle response.
✓【 OEM-PERFECT FIT WITH A TWIST 】 Precision-molded to meet OEM specs – no modifications, no splicing wires. Coils directly replace DG508, DG457, DG472, 1L2U12029AA, 1L2U12A366AA, 1L2Z12029AA, 1L2Z12029AC, 3W7Z12029AA, 13062237, 1972290, 21941483, 21941485, 21941505, 71HM12300AA, 72HF12300AA, and more. Spark plugs directly replace SP479. Pull them out of the box and install immediately.
✓【 BUILT FOR UNDER-HOOD HELL 】 We didn't just copy the OEM; we upgraded the guts. Coils are wound with German-imported enameled copper wire and potted in Japanese epoxy resin to withstand extreme vibration. Silicone boots resist the brutal 105°C (peak 125°C) heat that cooks cheaper coils. Say goodbye to cracked boots leaving you stranded on the highway – these are tested from -40°C to survive Alaskan winters and Arizona summers.
✓【 WHY IRIDIUM? 】 The ultra-fine iridium electrode fires a concentrated, powerful spark even under heavy load – whether you're towing with your F-250 or hauling with your Expedition. The isostatic ceramic insulator prevents carbon tracking and flashover, ensuring consistent combustion for 60,000+ miles. Expect fewer fuel-wasting misfires, smoother idle, and noticeably quieter engine at highway speeds.
✓【 WE'VE GOT YOUR BACK – LITERALLY 】 Buying ignition parts online is risky – we get it. That's why we back this kit with a 1-Year No-Questions-Asked Replacement Promise (failed coil or plug? we ship a new one ASAP – no hassle, no runaround). Before installation, send us your VIN or Year/Make/Model and we'll double-check fitment within 12 hours (avg. real reply: 6.2 hrs). We've verified over 2,000 vehicle builds – ask us first, install with confidence.