



⚡ Ignite your engine’s potential with NGK 6431 – the spark plug pros trust!
The NGK 6431 Spark Plug features a 98% pure copper core for enhanced heat dissipation, a high-grade alumina silicate ceramic insulator for durability, and cold rolled threads to prevent installation damage. Its trivalent plating eliminates the need for anti-seize, while corrugated ribs protect against flashover, making it a reliable, maintenance-free ignition solution for watercraft engines.














| Manufacturer | AutoMotion Factors Limited |
| Brand | NGK |
| Model | 6431 |
| Product Dimensions | 0.8 x 1 x 3.2 cm; 40.82 g |
| Item model number | 6431 |
| Exterior | Machined |
| Manufacturer Part Number | BU8H |
| OEM Part Number | 6431 |
| Position | Unknown |
| Item Weight | 40.8 g |
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