
NGK Genuine B7HS Spark Plug
NGK Genuine B7HS Spark Plug provides reliable ignition and performance for marine engines. Engineered for durability and efficiency, this spark plug ensures optimal combustion, making it essential for a smooth sailing experience.
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NGK Genuine B7HS Spark Plug
Marine Chandlery: North Shields
Unit G4 Narvik Way
Tyne Tunnel Trading Estate
North Shields NE29 7XJ
United Kingdom

NGK Genuine B7HS Spark Plug provides reliable ignition and performance for marine engines. Engineered for durability and efficiency, this spark plug ensures optimal combustion, making it essential for a smooth sailing experience.
NGK Genuine B7HS Spark Plug provides reliable ignition and performance for marine engines. Engineered for durability and efficiency, this spark plug ensures optimal combustion, making it essential for a smooth sailing experience.
Description
The NGK Genuine B7HS Spark Plug is a high-performance ignition component specifically designed for marine engines. Recognized for its reliable spark delivery, the B7HS is an essential part of maintaining optimal engine performance in a variety of marine applications, including outboard motors and inboard engines. This spark plug features a copper core for efficient heat dissipation and a zinc-plated shell to prevent corrosion, making it ideal for the demanding marine environment. Its standard thread size and hex fit ensure easy installation and compatibility with a wide range of engine models. The design includes a resistor that minimizes interference with other electronic components on board, maintaining smooth function of all navigational and communication equipment. Typical use cases for the NGK B7HS Spark Plug include powering small to medium-sized outboard motors, as well as two-stroke or four-stroke marine engines. This spark plug performs exceptionally in both freshwater and saltwater conditions, providing reliable starting and consistent engine performance under varying load conditions. By choosing the NGK B7HS, marine users benefit from enhanced engine efficiency, reduced emissions, and improved fuel economy. Regular replacement of spark plugs like the B7HS is crucial for maintaining peak engine operation, ensuring that marine vessels function smoothly and reliably. Trust NGK’s proven track record in ignition technology to keep your marine engine working at its best.
Specification
| Model | B7HS |
| Type | Spark Plug |
| Thread Size | 14mm |
| Wrench Size | 21mm (13/16 inch) |
| Heat Range | 7 |
| Center Electrode Material | Nickel |
| Insulator Height | 26.5mm |
| Overall Length | 63.5mm |
| Weight | 35g |
| Electrode Gap | 0.7mm |
| Certification | ISO 9001 |
| Application | Marine Two-Stroke Engines |
Delivery information
Standard delivery: 3-5 working days
Express delivery: 1-2 working days
Free delivery on orders over £100








