Double Platinum


Autolite® Double Platinum Spark Plugs

Better materials to give your engine better performance. Platinum-to-platinum design greatly decreases gap erosion, reduces misfires, and provides improved durability.* It's the superior-performing spark plug, providing preferred technology for DIS engines. Guaranteed for 5 years.** 

*Compared to standard plugs 

**See warranty details

  • Platinum-to-platinum firing for superior durability
  • Super conductive Yttrium enhanced ground electrode provides superior heat transfer
  • Platinum enhanced high nickel alloy side electrode maintains precision gap
  • Platinum tip assures virtually no gap erosion for longer plug life
  • Maintains optimum performance and fuel economy longer
  • 5-year limited warranty

Click on the link below to check out our Spark Plug Metallurgy Comparison Chart.

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Autolite highly recommends that you consult with your vehicle’s owner’s manual for any specific instructions for changing the spark plugs. Engines can vary widely by make and model. These instructions should be considered for general guidance only.
Replacing spark plugs can be a simple job, if you take things one step at a time. Given a basic understanding of mechanical matters, here's a guide to the proper procedures in changing spark plugs.

  • High nickel alloy side electrode
  • Full platinum tips
  • Necked-down center electrode
  • Full copper core center electrode
A quick reference to Double Platinum's part numbers are listed below. Autolite provides OE-equivalent quality and performance to over 95% vehicle applications. If you don't see the part number for your vehicle, don't fret! Our Parts Finder allows quick access to the right part for your engine.

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