SPARK PLUG BM7A NGK (DENSO W22M-U)

Equivalent DENSO W22M-U

Standard nickel-alloy, compact-style spark plug designed for small engines, such as chainsaws, lawnmowers, and brushcutters

• Compact Design: Ideal for restricted space in small engine cylinders.
• Durable Construction: Features a solid copper core for better heat removal, trivalent metal plating for anti-corrosion, and a pure alumina silicate ceramic insulator for strength.
• Reliable Ignition: Corrugated ribs prevent flashover, while triple seals eliminate combustion gas leakage.
• Thread Diameter: 14mm
• Thread Pitch: 1.25mm
• Reach: 9.5mm (3/8 inch).
• Seat Type: Gasket.