

⚡ Ignite your marine engine’s full potential with Quicksilver precision!
The Quicksilver NGK BU8H spark plug features a semi-surface discharge design that improves ignition efficiency and prevents carbon fouling. Its trivalent metal plating offers exceptional corrosion resistance, making it ideal for marine engines. Designed with a pure alumina silicate ceramic insulator and ribbed suppressor seal, it ensures durability, heat management, and misfire prevention. This OEM part fits watercraft engines with an M14x1.5 thread size and is backed by Quicksilver’s 65+ years of marine industry expertise.





| Brand | Quicksilver |
| Core Material | Copper |
| Thread Size | M14x1.5 |
| Top Material Type | Metal |
| Vehicle Service Type | Watercraft |
| Global Trade Identification Number | 00087295176498 |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 087295176498 |
| OEM Part Number | 13686Q |
| Manufacturer | Quicksilver |
| Model | 13686Q NGK BU8H Semi-Surface Discharge Design Spark Plug, 1-Pack |
| Product Dimensions | 30.48 x 10.16 x 25.4 cm; 50 g |
| Item model number | 13686Q |
| Manufacturer Part Number | 13686Q |
| Material | Various Materials |
| Colour | multicolour |
| Manufacturer | Quicksilver |
| Country of Origin | USA |
| Item Weight | 50 g |
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