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AUTOLITE AP5224 Specifications
Center Electrode Core MaterialCopper
Electrical Terminal TypeStud
Center Electrode Tip MaterialPlatinum
Center Electrode DesignStandard / Regular
Ground Electrode Core MaterialNickel
Ground Electrode ConfigurationSingle
Ground Electrode DesignTapered
Ground Electrode Tip MaterialNickel
Insulator MaterialCeramic
Insulator TypeLong
Reach (IN).750"
Gap (Factory Preset).044" (1.1mm)
Thread Size14mm X 1.25
Drive Size5/8" (16mm)
Seat StyleGasket
Step up to platinum. A center wire platinum firing tip provides improved performance and durability*. They fire quicker and cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy versus standard plugs.

Features & Benefits:
  • Platinum center wire firing tip for improved performance.
  • Super conductive Yttrium enhanced ground electrode provides superior heat transfer
  • Full platinum tip assures virtually no gap erosion for longer plug life
  • Leak proof, heat fused resistor for durability
*Compared to standard copper plugs

How To Install Autolite Spark Plugs

Which Spark Plug Is Right For You?

Material Cost Performance Lifespan Highlights
$$$ · Ultimate Ignitability & Durability
· Fast Throttle Response & Best Cold Starts
$$ · Improved Starts & Acceleration
· More Power & Better Fuel Economy
Double Platinum
$$ · Improved Efficiency
· Good For Waste Spark Systems
$ · Reduced Carbon Build-Up
· Good for Coil-On-Plug Systems
$ · Good Conductor
· Least Durable

Installation and Service Suggestions
Spark Plug Torque Specfications

Alternate/OEM Part Number(s): AP5224DP2

AUTOLITE Warranty Information:
2 years for Copper Spark Plugs; 4 years for Platinum Spark Plugs; 5 years for Double Platinum Spark Plugs; Limited Lifetime years for Iridium XP Spark Plugs; 5 years for Professional Series Wire Sets; 1 year for Glow Plugs
Warranty Details