Premium SP-411 AYFS22FM Spark Plugs for Cadillac

High-performance iridium core ensures precise ignition and extended durability. Advanced laser-welded construction minimizes voltage loss for optimal fuel efficiency.

Precision-engineered ceramic insulator prevents misfires under extreme temperatures. Nickel-plated shell resists corrosion in humid or salty environments.

Direct OEM replacement for Cadillac models requiring SP-411 specification. Ideal for luxury vehicle maintenance and performance tuning applications.

Bulk purchase available with wholesale pricing for auto repair shops and dealerships. Globally shipped with guaranteed quality assurance.

Exclusive high-conductivity alloy electrode outperforms standard copper plugs. Seamless compatibility with gasoline direct injection systems.