Premium Spark Plug SP411 AYFS22FM for Mazda CX-9 & Ford Vehicles
High-performance iridium core ensures superior ignition efficiency and extended lifespan. Precision-engineered ceramic insulator prevents voltage leakage and withstands extreme temperatures. Nickel-plated shell resists corrosion for reliable durability in harsh conditions. Direct-fit OE replacement for Mazda CX-9 and select Ford models. Optimized electrode gap design boosts fuel combustion, reducing emissions and improving acceleration. Ideal for daily commuters, performance tuning, and fleet maintenance. Manufactured with ISO-certified quality control for guaranteed compatibility. Bulk order discounts available – global wholesale pricing with no minimum quantity. Ships worldwide with fast logistics from our all-category supply network.