Boat Motor DPR6EB-9 Premium Spark Plug Made in Taiwan Copper Core Compatible with Yamaha Marine Outboard F15C F20 F25 F40 3108 IX22B / X22EPR-U9 4-stroke

PREMIUM TAIWAN QUALITY: Precision manufactured in Taiwan with high-grade automated machinery to match or exceed OEM structural durability and rigorous field tolerances.
EXACT FIT DESIGN:Seamless drop-in replacement designed explicitly for 4-Stroke Yamaha Outboards (including popular F15C, F20, F25, F40, F50, and F60 marine platforms). NGK Part Number: DPR6EB-9 (NGK Stock Code: 3108), Yamaha Genuine OE Numbers: 94702-00418, 94709-00418, DPR-6EB90-00-00, Denso Competitor Fitment: X22EPR-U9 / IX22B
ANTI-CORROSIVE FINISH: Features heavy-duty trivalent metal zinc plating across the shell body to safeguard the thread surfaces against severe corrosion, rust, and salt seizing.
OPTIMIZED HEAT CORE: Built around a highly thermal-conductive solid copper inner core that transfers heat away rapidly to stop hot-spotting, pre-ignition, and heavy carbon fouling.
BUILT-IN RESISTOR: Integrates a built-in 5k-ohm electronic shielding resistor system to block electromagnetic noise and preserve on-board boat telemetry and electronics.