NGK-DFH6B-11A
NGK DFH6B-11A (6858) Double Iridium
Three-stage Spark Plug
🔹 Overview
Reliable nickel-alloy spark plug designed for stable ignition, consistent performance, and long service life. Suitable for motorcycles, scooters, ATVs, and small engines.
🔹 Specifications
Thread Diameter: 10 mm
Reach: 19 mm
Hex Size: 12 mm (7/16")
Seat Type: Flat
Electrode Material: Nickel
Heat Range: 6
Resistor: Yes
Gap: 0.7–0.8 mm (pre-set)
🔹 Applications
Commonly used in:
Honda CB125 / CG125 (1970s–1990s)
Yamaha RX100 / YBR125 (1980s–2000s)
Suzuki GN125 / GS125
Scooters, mopeds, ATVs, and other small gasoline engines
Lawnmowers, generators, and portable engines
Note: Verify the engine model or manual for exact fitment.
🔹 Cross References
Denso: W20FS-U
Bosch: W7AC
Champion: L82C
🔹 Order Information
MOQ: 1000 pcs
Shipping: Air/Sea
Warranty: 12 months
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