Spark Plug BP8HS-15 @4 (8M0114746)

Keep your outboard running smoothly with the genuine Mercury Spark Plug BP8HS-15. This OEM spark plug delivers reliable ignition and consistent engine performance. It creates a strong spark for efficient fuel combustion. The result is easier starting, smoother idling, and dependable power every time you head onto the water.

Spark plugs wear with normal use. Heat, carbon buildup, and engine deposits can reduce ignition performance over time. A worn spark plug may cause hard starting, rough idle, poor acceleration, or reduced fuel efficiency. Replacing it with a genuine BP8HS-15 Spark Plug helps restore engine performance and maintain reliable operation.

Mercury engineers this spark plug to meet original factory specifications. It provides the correct fit, heat range, and ignition performance for compatible Mercury outboard engines. The durable construction withstands demanding marine conditions and delivers dependable service throughout the boating season. Choosing a genuine OEM spark plug also helps protect your engine from the fit and performance issues that can occur with some aftermarket alternatives.

Routine spark plug replacement forms an important part of regular engine maintenance. Fresh spark plugs support cleaner combustion, better throttle response, and more consistent engine performance. They also help reduce misfires and improve overall engine efficiency. Replacing worn spark plugs at the recommended service interval can help extend engine life and keep your outboard performing as designed.

Always check your engine’s model and serial number before ordering. This ensures you select the correct spark plug for your application.

Key Features

• Genuine OEM Mercury spark plug
• Part Number: BP8HS-15
• Delivers reliable ignition and efficient combustion
• Promotes easy starting and smooth idle
• Supports strong throttle response and consistent engine performance
• Built to Mercury factory specifications
• Durable design for marine environments
• Ideal for routine maintenance and scheduled service

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