What is the main benefit of the iridium center electrode?

The iridium center electrode is much harder than platinum, offering significantly improved durability. This means it can maintain a consistent, stable spark for longer periods, contributing to better engine performance and longevity.

Does this spark plug come with anti-seize pre-applied?

These NGK spark plugs feature trivalent metal plating on the threads, which helps resist corrosion and makes them easier to install and remove without needing additional anti-seize compound. Always refer to your vehicle's service manual for specific installation recommendations.

How do I know if these are the right spark plugs for my specific vehicle?

While these plugs fit a wide range of Mazda vehicles, it's always best to confirm fitment using the provided vehicle compatibility list or by checking your vehicle's owner's manual. This ensures you get the exact plug designed for your engine's specifications.

NGK Laser Iridium Spark Plug (TR5AI-13)

Name: NGK Laser Iridium Spark Plug (TR5AI-13)
Brand: NGK
SKU: ngk-ngk-laser-iridium-spark-plug-tr5ai-13-pa-ng90813
Price: 8.94 USD
Availability: InStock

$8.94

In Stock

NGK Laser Iridium Spark Plug Box of 4 (TR5AI-13). Offers improved performance and longevity with a durable iridium center electrode.

Key Features

Fits a range of Mazda vehicles including the 6, MPV, and Tribute.
Iridium-tipped center electrode offers six times the durability of platinum for a stable spark.
Platinum pad on the ground electrode promotes even wear in distributorless ignition systems.
Pure alumina silicate ceramic insulator provides superior strength and heat transfer.
98 percent pure copper core aids in heat removal to prevent overheating.
Trivalent metal plating offers superior corrosion and anti-seizing resistance.

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Save with a bulk case

Get 4 units for $38.82

View Case of 4 →

Product Details

NGK Laser Iridium spark plugs are a solid option for a wide range of vehicles, including many Mazda models like the 6, MPV, and Tribute. These plugs are built to last and offer a stable spark, which is key for keeping your engine running smoothly. They are designed as a direct OE replacement, meaning they are made to the same standards as the original plugs your vehicle came with.

What makes these stand out is the iridium-tipped center electrode, which is significantly harder than platinum and provides a very consistent spark. This advanced material has a high melting point, making it well-suited for today's engines. You'll also find a platinum pad on the ground electrode, which helps ensure even wear, especially in modern ignition systems that don't use a distributor. The pure alumina ceramic insulator helps with heat transfer, and the pure copper core inside helps prevent the plug from overheating.

For installation, you'll want to make sure you have the correct socket size for your vehicle and a torque wrench to tighten them to the manufacturer's specifications. The trivalent metal plating on the threads helps resist corrosion and makes them easier to remove down the road.