AUTOLITE AI5325

Product Details Attribute

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	★	★
Platinum	★★★	★★	★
Double Platinum	★★★★	★★	★
Iridium XP	★★★★★	★★★★★	★★
Iridium Ultra	★★★★★★	★★★★★	★★

Alternate/OEM Part Number(s)

OEM / Interchange Numbers: 0041591303, 0948200606, 0948200615, 12290RBJ003, 12290RMX013, 12290RWO003, 12293PHMA01, 1822A022, 1884011051, 1884508200, 1884508201, 1884511160, 1885011050, 22401AA630, 22401AA670, 22401AA751, 22401AA761, 22401ZE01B, 9091901191, 9091901233, 9091901247, 9091901249, 9091901259, 9091901263, 9091901266, 9091901276, 9091901287, 95890560100, LR005483, MN158596, SP143877AB

Warranty Information

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

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.

Specifications
Thread Diameter	14.0mm
Hex Size	16mm
Hex Size	5/8"
Center Electrode Core Material	Copper
Center Electrode Tip Material	Iridium
Gap Size	0.044"
Gap Size	1.10mm
Ground Electrode Core Material	Nickel
Ground Electrode Quantity	1
Ground Electrode Tip Design	Tapered
Ground Electrode Tip Material	Platinum
Insulator Material	Ceramic
Reach	1.000"
Reach	26.5mm
Resistance	4000 82
Seat Type	Flat
Center Electrode Design	Fine Wire
Electrical Terminal Type	Stud
Resistor Type	Yes
Tip Configuration	Mid Projection