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Double Platinum
Double Platinum Spark Plugs feature platinum-to-platinum firing. Virtually eliminates gap erosion, reduces misfires, and provides 100K mile durability. It's the superior-performing spark plug providing preferred technology for DIS engines.

Features & Benefits:
  • High nickel alloy side electrode
  • Full platinum tips
  • Necked-down center electrode
  • Full copper core center electrode
Spark Plug Type Performance Differences



How to Install Autolite Spark Plugs



Autolite Spark Plug Types
Spark Plug Firing Tips Tech Info
Alternate/OEM Part Number(s): APP103DP2

AUTOLITE Warranty Information:
2 years for Copper; 4 years for Platinum; 5 years for Double Platinum; Limited Lifetime years for Iridium XP; 5 years for Professional Series Wire Sets
Warranty Details