Product Overview
NGK Standard Nickel Plug 4551

Keep your Yamaha outboard purring like a kitten with the NGK Standard Nickel Plug 4551 (BR9HS-10). This reliable spark plug is engineered for long-lasting performance and optimal ignition, ensuring smooth starts and efficient fuel combustion. Built with durable nickel construction and corrosion-resistant plating, this plug stands up to the harsh marine environment, delivering dependable power when you need it most. Upgrade your ignition system today and experience the difference a quality spark plug makes.
Key Features
- **Reliable Performance:** Provides consistent ignition for smooth starts and efficient fuel combustion.
- **Durable Nickel Construction:** Built to withstand the demanding marine environment and resist wear.
- **Corrosion-Resistant Plating:** Ensures easy installation and removal, even after prolonged exposure to saltwater.
- **Superior Heat Dissipation:** The copper core efficiently removes heat, extending the plug's lifespan.
- **Optimal Heat Range:** Heat range '9' provides versatile performance across various operating conditions.
- **5k Ohm Resistor:** Suppresses radio frequency interference for clean, reliable electrical signals.
- **Removable Nut Terminal:** Offers flexibility for various wiring connections.
- **OEM Standard:** Engineered to meet or exceed Yamaha's original equipment specifications.
What's in the Box
- 1 x NGK Standard Nickel Plug 4551 (BR9HS-10)
Specifications
The Captain's Take
I've been relying on NGK spark plugs in my charter boat for years, and the 4551 is a staple. They offer the reliable performance I need to keep my engines running smoothly, even during long days out on the water. The corrosion resistance is a huge plus, considering the constant saltwater spray. For a dependable spark plug that won't let you down, choose NGK.