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Denso Spark Plug W22FS-U (Equivalent to NGK B7HS 5110)

The Denso W22FS-U Spark Plug is a high-quality ignition component engineered to deliver consistent sparks, smooth engine starts, and dependable performance across a wide range of small engines and motorcycles. Designed as a direct equivalent to NGK B7HS (5110), this spark plug offers a perfect balance of heat range and durability for everyday and high-load riding conditions.

Manufactured with Denso’s precision engineering standards, the W22FS-U features a nickel alloy center electrode that promotes stable combustion, reduces misfires, and supports efficient fuel burning. Its optimized heat dissipation helps prevent overheating while minimizing carbon buildup, extending service life and maintaining reliable ignition over time.

Ideal for motorcycles, scooters, mopeds, ATVs, and other small gasoline engines, the Denso W22FS-U ensures strong throttle response, improved fuel efficiency, and smooth overall engine operation. Whether you’re replacing a worn plug or performing routine maintenance, this spark plug is a trusted choice for riders and mechanics alike.