NGK
NGK Genuine B8HS Spark Plug
Professional-grade marine product — trusted by boaters across the UK.
Tax included. View shipping policy
Klarna & PayPal available at checkout
NGK Genuine B8HS Spark Plug offers reliable performance and durability for marine engines. Designed for optimal ignition and fuel efficiency, it's perfect for boats and marine applications requiring high-quality spark plugs for consistent operation. Description The NGK Genuine...
NGK Genuine B8HS Spark Plug offers reliable performance and durability for marine engines. Designed for optimal ignition and fuel efficiency, it's perfect for boats and marine applications requiring high-quality spark plugs for consistent operation.
Description
The NGK Genuine B8HS Spark Plug is designed specifically for marine engines, ensuring optimal performance and reliability in demanding marine environments. This spark plug features a copper core for superior heat conductivity, facilitating efficient combustion and consistent engine ignition. The nickel alloy electrodes provide enhanced durability and resistance to wear, making it an ideal choice for both recreational boaters and commercial marine operators. With a standard 19 mm thread size and 14 mm hex, the NGK B8HS is compatible with a variety of outboard motors and marine applications, including both two-stroke and four-stroke engines. Its robust construction is engineered to withstand the corrosive nature of saltwater, providing longevity and reducing the frequency of maintenance. This spark plug efficiently transfers heat away from the combustion chamber, helping to prevent fouling and ensuring a smooth operation even under high-stress conditions. Typical use cases include installation in outboard engines, personal watercraft, and small marine generators. Marine users will benefit from its reliable starting capabilities and improved fuel efficiency, resulting in lower operational costs and reduced emissions. The NGK B8HS is a trusted choice for marine professionals seeking dependable engine performance and longevity, making it essential for anyone operating in a marine setting.
Specification
| Product Name | NGK B8HS Spark Plug |
| Type | Spark Plug |
| Thread Size | 14 mm |
| Reach | 19 mm (3/4 inch) |
| Hex Size | 20.8 mm (13/16 inch) |
| Socket Size | 16 mm |
| Heat Range | 8 |
| Insulator Material | Ceramic |
| Shell Material | Nickel-Plated Steel |
| Electrode Material | Copper |
| Weight | Approximately 0.05 kg (0.11 lbs) |
| Factory Gap | 0.7 mm (0.028 inch) |
| Certification | ISO 9001 |
| Applications | Used in various marine engines |
Why buy from Marine Chandlery?
- UK marine specialists, based in North Shields
- Next-day UK delivery available
- Same-day collection from our store
- Expert advice before and after purchase
- Carefully selected marine-grade products
- Secure checkout & trusted payment options










