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DG508 ignition coil & SP479 spark plug for Ford 4.6L/5.4L

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$70 USD
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DG508 Ignition Coil & SP479 Double Iridium Spark Plug for Ford F150 F250 F350 E150 E250 E350 Expedition Mustang Lincoln Mercury 4.6L 5.4L Replaces#DG491 FD503 DG457 DG472 1L2U12029AA C1454 C1417 FD503

Ignition coil and double iridium spark plug kit for Ford 4.6L/5.4L vehicles. Improves function and fuel efficiency with easy installation. Customers note precise fit and quick setup

Highlights

  • compatible with 1997-2012 Ford v8s
  • double iridium spark plugs included
  • easy install and good fit

Pros

  • fits a wide range of Ford vehicles
  • easy installation
  • improved fuel efficiency

Cons

  • durability reports are mixed
  • spark plugs occasionally noted as included out of the box
  • some customers experienced short lifespan

Best For

  • repairing ignition system on Ford 4.6L/5.4L engines
  • replacing worn/aging coils and plugs
  • restore smooth engine performance in F-Series
  • prepping vehicles for better fuel economy
  • maintenance for Expedition and Mustang models

Features

  • Compatible with Ford 4.6L, 5.4L, and 6.8L engines across 1997-2012 models
  • Replaces DG491, FD503, DG457, DG472 and related part numbers
  • Helps prevent engine misfire and rough idle by ensuring proper ignition
  • Designed for ignition coil and spark plug performance in multiple Ford vehicles

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