
Spark Plug BUH – Nickel V‑groove for Marine Engines | 4Boats
BUH-NGK
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Regular price£7.20
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Tax included.
NGK BUH spark plug — nickel spark plug featuring a V‑groove centre electrode to improve ignitability and ensure reliable starting in marine petrol engines and outboards.
- Model: BUH
- Construction: nickel alloy
- Centre electrode: V‑groove design for improved ignitability
- Intended use: marine petrol engines and outboards
- Compatible with 2‑stroke and 4‑stroke small engines
- Recommended spark gap: approx 0.6–0.7 mm (0.024–0.Ø 28 in); verify the correct gap in your owner's manual
- Confirm thread size, reach, heat range and hex size for correct fit — specifications can vary by application
- Resistor requirement: check your ignition system and part number to determine if a resistor-type plug is needed
- Maintenance: easy to replace and set gap as required; always torque to manufacturer recommendations
- Check fitment against your engine manual or part number before purchase and see our Spark Plugs collection for alternatives and cross references
For the products under £150 the shipping is £6.99.
Free delivery for the most items over £150.