What makes NGK Laser Platinum spark plugs different from standard plugs?

NGK Laser Platinum plugs feature dual platinum surfaces on both the center and ground electrodes. This design promotes slower wear, leading to a longer service life and more consistent performance compared to conventional nickel spark plugs.

Are these spark plugs suitable for all vehicles?

These spark plugs are recommended for vehicles that originally came equipped with OE fine wire platinum alloy plugs. They are engineered for OE applications and offer benefits like stable idling and improved fuel efficiency.

What is the benefit of the copper core in these spark plugs?

The copper core within the spark plug acts as a heat sink. It helps to efficiently remove excess heat from the firing tip, which prevents the plug from overheating and ensures reliable operation.

NGK Ignition Spark Plugs PGR5A-11 (3573)

Name: NGK Laser Platinum Spark Plug Box of 4 (PGR5A-11)
Brand: NGK
Price: 42.32 USD
Availability: InStock

NGK Laser Platinum Spark Plug Box of 4 (PGR5A-11)

$42.32

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

NGK Laser Platinum Spark Plug Box of 4 (PGR5A-11). Offers high ignitability and longer service life for many vehicles.

Key Features

Fits a wide range of vehicles including Chrysler, Dodge, Daihatsu, and Mitsubishi models.
Pure alumina silicate ceramic insulator provides superior strength and better heat transfer.
Trivalent metal plating offers superior anti-corrosion and anti-seizing properties.
Laser welded dual platinum surfaces ensure slow wear rate for stable idling.
Copper core aids in heat removal to prevent overheating.
Corrugated ribs on the insulator prevent flashover.

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Will this fit your vehicle?

Product Details

NGK is well-known for making reliable ignition components, and their Laser Platinum spark plugs are a solid choice for many vehicles. These plugs are designed to offer high ignitability, meaning they help your engine start up and run smoothly, and they're built to last longer than standard nickel plugs. They are engineered specifically for OE applications, so you can expect them to perform as the original equipment did.

What sets these apart is the dual platinum surface on both the center and ground electrodes. This design helps them wear down slowly, which contributes to stable idling and improved fuel efficiency over time. The pure alumina silicate ceramic insulator is strong and helps transfer heat away from the plug's tip, preventing it from overheating. Plus, the trivalent metal plating on the threads makes them resistant to corrosion and seizing, which is a big help during installation and removal.

This box contains four spark plugs, enough for most 4-cylinder engines. They are a good option if your vehicle originally came with fine wire platinum alloy plugs and you're looking for a direct replacement that offers improved performance and durability.