AUTOLITE AI3922

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.

Which AUTOLITE Spark Plug Is Right For You?

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

CAPA Certified or NSF Certified parts bear the seal of independent, third party organizations guaranteeing fitment and quality equal to original equipment. These parts may be required if your insurance company is paying for the repair.