W16FS-U – Nippondenso (Denso) Spark Plug

The W16FS‑U Spark Plug by Nippondenso (Denso) is a premium ignition component that delivers reliable engine performance and lasting durability. Under the Denso brand, this plug features a nickel-alloy center electrode and a platinum ground electrode for enhanced combustion efficiency and wear resistance

This spark plug fits a wide range of vehicles, with OEM references including Subaru 880287802, Toyota 90098-16225 & 90098-16645, and Yamaha 947-03001-73 Size-wise, it uses a 14 mm thread diameter, 12.7 mm reach, 20.6 mm hex, and requires a 22 Nm tightening torque

With its resin-type insulator and robust steel body, the W16FS‑U withstands high temperatures and corrosion, making it ideal for demanding environments. Whether you’re maintaining older vehicles or classic engines, this spark plug offers dependable performance and long-term value.

Key Features:

• OEM Part: W16FS-U (also Denso 3034, D57)

• Nickel center and platinum ground electrodes for reliable ignition

• Durable resin insulator and steel body

• Specs: 14 mm thread, 12.7 mm reach, 20.6 mm hex, 22 Nm torque

• OEM cross-references: Subaru, Toyota, Yamaha

• Built for performance and endurance in tough conditions

At Arizona Outboard Dismantlers, we offer quality OEM ignition parts, including the Nippondenso W16FS-U Spark Plug, for those who value engine reliability and performance.