NGK Iridium IX Spark Plug - DPR8EIX-9

The fine iridium tip provides exceptional durability and a consistently stable spark, leading to more reliable ignition and prolonged engine life compared to standard plugs.

You must consult your vehicle's owner's manual or a reputable auto parts catalog to confirm that the NGK DPR8EIX-9 is listed as the correct replacement part for your specific make, model, and year.

The NGK DPR8EIX-9 often comes pre-gapped. However, it is always recommended to check the gap against your vehicle manufacturer's specifications using a proper gap tool before installation.

The Iridium IX spark plugs are designed for extended service life. Replacement intervals depend on your vehicle manufacturer's recommendations and driving conditions, but they generally last longer than standard copper or platinum plugs.

This plating provides superior resistance to corrosion and seizing, which helps to extend the plug's life and makes removal easier during maintenance.

The optimized ignition provided by the iridium tip can contribute to more efficient combustion, potentially leading to improved fuel efficiency, especially when combined with proper engine maintenance.

Iridium IX plugs use a fine iridium alloy tip for superior durability and a more consistent spark, leading to better performance and longevity compared to standard copper or platinum plugs.

Ensure the spark plug is correctly gapped and fully seated. Check the spark plug wire or coil for proper connection and integrity. Verify the spark plug is the correct type for the vehicle.

Confirm the spark plug is properly installed and the ignition system is functioning. Inspect the plug for fouling or damage. Ensure a strong spark is being delivered.

Verify the spark plug is the correct specification and properly gapped. Check for other potential engine issues that could affect fuel economy, such as air filter condition or fuel system problems.