Premium FK16HR-A8 Spark Plug

High-performance iridium alloy center electrode ensures superior durability and consistent ignition. Laser-welded construction prevents misfires under extreme engine conditions.

OEM-Approved Precision Fit

Direct replacement for Toyota RAV4/Lexus ES350 (OE# 90919-01259) with exact thread pitch and heat range specifications. Seamless integration with factory ECU systems.

Engineered for Efficiency

Micro-grooved ground electrode design reduces voltage requirements by 15% while improving fuel combustion. Ideal for urban stop-start driving and highway cruising.

Military-Grade Materials

Corrosion-resistant nickel-plated shell withstands high-temperature environments. Ultra-fine iridium tip maintains optimal gap for 60,000+ miles.

Wholesale Advantage

Factory-direct pricing with bulk discounts for auto repair shops and fleet managers. Worldwide shipping with no minimum order quantity.