AUTOLITE
More Information for AUTOLITE AI5245
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AUTOLITE AI5245  
($6.58/Each)
Price
$0.00
Core
+ Sold in packs of 4x4
Pack
$26.32
Total
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AUTOLITE AI5245 Specifications
Center Electrode Core MaterialCopper
Center Electrode DesignFine Wire
Center Electrode Tip MaterialIridium
Electrical Terminal TypeStud
Gap Size0.044"
Gap Size1.10mm
Ground Electrode Core MaterialNickel
Ground Electrode Quantity1
Ground Electrode Tip DesignTapered
Ground Electrode Tip MaterialPlatinum
Hex Size16mm
Hex Size5/8"
Insulator MaterialCeramic
Reach0.679"
Reach17.0mm
Resistance4000 82
Resistor TypeYes
Seat TypeTapered
Thread Diameter14.0mm
Tip ConfigurationLong Projection
Iridium Ultra
When looking for a spark plug replacement to optimize the performance for the most technologically advanced engines, you need the most technologically advanced spark plug. The Autolite Iridium Ultra Spark Plug utilizes an ultra 0.5 mm finewire iridium centerwire tip design with laser-welded technology for optimal performance, durability*, ignitability** and fuel efficiency.

Features & Benefits:
  • Includes an ultra finewire iridium centerwire tip design with laser-welded technology providing a focused ignition for optimal ignitability and maximum performance
  • Optimal fuel efficiency, acceleration and focused ignitability provided by extra (0.5 mm diameter) center electrode (versus standard copper core)
  • Provides durability for more than 100,000 miles
  • Laser-welded iridium finewire center electrode tip with true iridium alloy
*Compared to 0.8 mm finewire, multi-electrode design and standard spark plugs.
**Compared to average of other premium brands.

This spark plug is pre-gapped, but may require minor adjustments with a Spark Plug Gap Tool / Feeler Gauge to match your engine's specifications. For proper engine performance, gaps should be within ±0.004" of OE-Recommended value.
Which AUTOLITE Spark Plug Is Right For You?

Material / Series Lifespan / Durability Performance / Ignitability Efficiency / Fuel Economy
Copper / Nickel
 Copper
Platinum
 Platinum
★★★ ★★
Double Platinum
Double Platinum
★★★★ ★★
Iridium XP
Iridium XP
★★★★★ ★★★★★ ★★
Iridium Ultra
Iridium Ultra
★★★★★★ ★★★★★ ★★

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