More Information for AUTOLITE XP3924
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AUTOLITE XP3924  
$4.50
Price
 $0.00
Core
 $4.50
Total
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AUTOLITE XP3924 Specifications
Center Electrode Core MaterialCopper
Electrical Terminal TypeStud
Center Electrode Tip MaterialIridium
Center Electrode DesignFine Wire
Ground Electrode Core MaterialNickel
Ground Electrode ConfigurationSingle
Ground Electrode DesignTapered
Ground Electrode Tip MaterialPlatinum
Insulator MaterialCeramic
Insulator TypeMid
Reach (IN).750"
Resistance4000
Gap (Factory Preset).044" (1.1mm)
Thread Size14mm X 1.25
Drive Size5/8" (16mm)
Seat StyleGasket
ResistorResistor
Iridium XP
When you're passionate about performance, you need a technologically advanced plug. Autolite Iridium XP utilizes an iridium-enhanced 0.6 mm finewire and proprietary platinum sidewire for improved durability* and a more focused ignition for better overall ignitability** providing optimum performance.

Features & Benefits:
  • Better durability* and a more focused ignition for optimum performance.
  • Iridium enhanced 0.6mm finewire design for optimal durability and performance
  • Platinum protected ground wire for maximum efficiency in all ignition types including DIS systems
  • V-trimmed ground electrode for improved ignitability
*Compared to 0.8mm finewire, multi-electrode design and standard plugs.
**Compared to average of other premium brands.

How To Install Autolite Spark Plugs



Which Spark Plug Is Right For You?

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

Installation and Service Suggestions
Spark Plug Torque Specfications

Alternate/OEM Part Number(s): XP3924DP2

Closeout Inventory Warranty Information:
Wholesaler Closeout items have a 30 day warranty (but still are covered by our Return Policy).

AUTOLITE Regular Inventory 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