NGK 4122 Spark Plug (Standard Nickel)

NGK Spark Plugs

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MSRP: $4.49
$2.19
(You save $2.30 )
SKU:
NGK-BR7HS
UPC:
087295141229
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Product Overview

NGK Standard Nickel Plug 4122

Keep your marine engine purring like a kitten with the NGK Standard Nickel Plug 4122 (BR7HS). This reliable and durable spark plug is engineered for optimal performance and extended life, ensuring smooth starts, efficient fuel combustion, and reduced emissions. Built with superior anti-corrosion and anti-seizing properties, the 4122 is designed to withstand the harsh marine environment, giving you peace of mind on the water.

Key Features

  • **Reliable Performance:** Provides consistent spark for smooth starts and efficient engine operation.
  • **Enhanced Durability:** Nickel center and ground electrodes offer reliable performance and long life.
  • **Corrosion Resistance:** Trivalent metal plating protects against corrosion and seizing in the harsh marine environment.
  • **Optimal Heat Transfer:** Pure alumina silicate ceramic insulator ensures superior strength and efficient heat dissipation.
  • **Prevents Flashover:** Corrugated ribs prevent flashover for consistent performance.
  • **Improved Heat Removal:** Copper core aids in heat removal, extending plug life.
  • **Leak-Free Design:** Triple seals prevent leakage for reliable operation.
  • **5k Ohm Resistor:** Suppresses RFI interference for improved electronics performance.

What's in the Box

  • 1 x NGK Standard Nickel Plug 4122

Specifications

Shell Thread Diameter14mm
Thread Pitch1.25mm
Seat TypeGasket
Reach12.7mm (1/2")
Hex Size13/16" (21mm)
Terminal TypeRemovable Nut
Overall HeightNone
ISO Gap.028" (0.7mm)
Center Electrode MaterialNickel
TypeStandard
Size2.5mm
ProjectionNon-Projected
Ground Electrode MaterialNickel
ResistorYes
Resistor Value5k Ohm
Heat Range7
Torque SpecsCast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
Quantity1
Longevity30k Miles

The Captain's Take

I've been relying on NGK spark plugs for years, and the 4122 is a staple in my engine maintenance kit. These plugs deliver consistent performance, start after start, season after season. They're built tough to handle the saltwater and vibration, and the peace of mind they offer is invaluable. Don't compromise on reliability – choose NGK.

Warranty Information

60 Days

Reviews

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