Since 1936, Autolite has been a trusted leader and innovator in spark plug technology. You can count on Autolite copper plugs for performance and value, backed by decades of experience and passion.
Features & Benefits:
Guaranteed to deliver quick starts, good fuel economy and smooth acceleration.
Copper core center electrode for higher thermal conductivity
Specially engineered high nickel alloy center and ground electrode for extended life
High alumina ceramic for high dielectric strength
Leak proof, heat fused internal seal for durability
Multi-rib insulator prevents flash-over
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
★★★★★★
★★★★★
★★
OEM / Interchange Numbers: 8U2J12405FA
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