NGK Genuine B7HS Spark Plug
Next-day UK delivery available
Order before 3pm — from £3.95
Same-day collection
Available from our North Shields store
Free returns within 30 days
Unused & original packaging

NGK

NGK Genuine B7HS Spark Plug

Professional-grade marine product — trusted by boaters across the UK.

SKU: B7HS-NGK Out of stock
£2.40

Tax included. View shipping policy

Next-day UK delivery available — order before 3pm
Same-day collection from our North Shields store
Expert advice — call 0191 414 0065

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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 ...

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
Next-day UK delivery
Available on most items — order before 3pm. From £3.95.
Same-day collection — North Shields
Order online or call ahead — collect from our North Shields store today.
Free delivery over £100
Free standard delivery on all qualifying orders to UK mainland addresses.
Returns — 30 days
Unused, original packaging. Full returns policy →
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