NGK Spark Plugs

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NGK Spark Plugs: Powering Marine Engines with Precision


Fisheries Supply, your marine equipment provider, offers a selection of NGK spark plugs to keep your boat's engine running smoothly. As a leader in ignition technology, NGK has been at the forefront of spark plug innovation since 1937.

The Evolution of NGK

Founded in Nagoya, Japan, NGK Spark Plug Co., Ltd. began manufacturing spark plugs in 1937. In a recent development, the company rebranded as Niterra Co., Ltd. in April 2023, reflecting its commitment to continuous improvement and innovation in the automotive and marine industries.

Understanding Spark Plug Seat Types

NGK spark plugs come in two primary seat configurations:
  • Gasket (Flat) Seat: These plugs utilize a crushable gasket to create a seal against the cylinder head.
  • Tapered Seat: This design relies on a conical shape to achieve a secure seal with the cylinder head.

Proper Installation Techniques

Correct installation is crucial for optimal spark plug performance. Our Fisheries Supply representatives can guide you through the process:
  • For gasket seat spark plugs:
    • Tighten finger-tight until the gasket contacts the cylinder head.
    • Apply the manufacturer-specified torque.
  • For tapered seat spark plugs:
    • Tighten finger-tight until the plug contacts the cylinder head.
    • Apply the manufacturer-specified torque.

Why Choose NGK Spark Plugs from Fisheries Supply?

NGK spark plugs are renowned for their reliability and performance in marine engines.
By purchasing from Fisheries Supply, you benefit from:
  • Expert advice from our knowledgeable representatives
  • Genuine NGK products ensuring optimal engine performance
  • A wide selection of spark plugs to fit various marine engine models

Enhancing Your Boat's Performance

Regularly replacing your spark plugs can significantly improve your boat's engine efficiency. Consider upgrading to NGK spark plugs for:
  • Improved fuel economy
  • Smoother engine operation
  • Reduced emissions
  • Enhanced overall performance