Autolite Platinum Spark Plug AP5325
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Autolite Platinum Spark Plug AP5325

Part # AP5325
SKU # 454835
Notes: 2 plugs per cylinder



Part #AP5325
SKU #454835
Notes2 plugs per cylinder
Ground Electrode DesignTapered
Seat StyleGasket
Metal TypePlatinum
Gap - Factory Preset1.1 mm = 0.044 in
Electrical Terminal TypeStud
Resistance (Ω)4000
Reach (in)0
Center Electrode DesignStandard / Regular
Insulator TypeProjected
Center Electrode Core MaterialCopper
Thread Size14mm X 1.25
Drive Size5/8 in
Ground Electrode ConfigurationSingle
Center Electrode Tip MaterialIridium
Ground Electrode Core MaterialNickel
Insulator MaterialCeramic
Ground Electrode Tip MaterialNickel
Package Quantity1


Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite double platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Warrantied for 5 years. Consider upgrading to Autolite Iridium XP spark plugs for increased performance.

  • checkmarkHigh nickel alloy side electrode maintains precise gap
  • checkmarkFull platinum tip assures virtually no gap erosion for long life
  • checkmarkPlatinum ball welding process provides a consistent point of contact for enhanced adhesion
  • checkmarkNecked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)