What makes iridium spark plugs different from standard ones?

Iridium spark plugs feature a very fine tip made of an iridium alloy, which has a higher melting point and is more durable than standard platinum or nickel electrodes. This allows for a more consistent and powerful spark, leading to improved engine performance and efficiency.

Does this set include everything needed to replace spark plugs on a 4-cylinder engine?

Yes, this is a box of four NGK Iridium IX spark plugs. This is the correct quantity for most 4-cylinder engines. If your vehicle has more cylinders, you will need to purchase additional sets.

How do I know if these spark plugs are the right ones for my car?

While these plugs fit many vehicles, it's crucial to confirm compatibility with your specific car's year, make, and model. You can use the fitment checker on our site or consult your vehicle's owner's manual for the correct spark plug type.

NGK Iridium IX Spark Plug LFR6AIX-11 (6619)

Name: NGK Iridium Spark Plug Box of 4 (LFR6AIX-11)
Brand: NGK
Price: 8.04 USD
Availability: InStock

NGK Iridium Spark Plug Box of 4 (LFR6AIX-11)

$8.04

In Stock

NGK Iridium IX spark plugs (6619) offer improved acceleration and fuel efficiency. Box of 4.

Key Features

Fits a wide range of vehicles including Acura, BMW, Honda, Lexus, Subaru, and Toyota models.
Fine iridium tip ensures a durable and consistent spark for improved starting, idling, and throttle response.
Trivalent metal plating offers superior anti-corrosion and anti-seizing properties.
Iridium alloy's high melting point is ideal for today's high-temperature engines.
Provides outstanding acceleration, high fuel efficiency, and durability.
This is a box of 4 spark plugs.

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Will this fit your vehicle?

Product Details

When you're looking to get the most out of your engine, especially if it's been modified or you're aiming for better performance, upgrading your spark plugs is a smart move. These NGK Iridium IX spark plugs are built with a fine iridium tip, which is known for its durability and ability to create a consistent spark. This helps your engine start more reliably, idle smoother, and respond better when you hit the gas.

The iridium alloy used in the center electrode has a very high melting point, making it well-suited for today's higher-temperature engines. NGK also applies a trivalent metal plating to the plug's shell, which helps prevent corrosion and makes them easier to remove down the road, avoiding seized plugs. This set comes with four plugs, enough for most 4-cylinder engines, and is a popular choice for those looking to improve their vehicle's overall performance and efficiency.

These plugs fit a wide range of vehicles, including many Acura, BMW, Honda, Lexus, Subaru, and Toyota models. It's always a good idea to double-check the fitment for your specific year and model to ensure you're getting the right part.