Are these spark plugs copper ones?

It's been a while since installation. Seems they were copper core, but don't quote me on that please ! OEM type plug for my neighbor's 2006 Jeep Liberty 3.7L. I've always had good service from NGK plugs for many years now. Hope that helps.

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6 pc NGK V-Power Spark Plugs compatible with Jeep Liberty 3.7L V6 2002-2012 | Patented V-cut nickel electrode concentrates spark for better fuel economy. 30,000-60,000 mile copper-grade value.

6 pc NGK V-Power Spark Plugs compatible with Jeep Liberty 3.7L V6 2002-2012 | Patented V-cut nickel electrode concentrates spark for better fuel economy. 30,000-60,000 mile copper-grade value.

Product ID: 39786370

Details

Brand
Sixity Auto
Core Material
Copper
Thread Size
M14x1.5
Top Material Type
Ceramic Metal
Vehicle Service Type
Car Truck

⚡Patented V-cut nickel electrode for sharper spark

⛽Boosts fuel economy with efficient combustion

🛠️Durable copper-grade design lasts 30,000-60,000 miles

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Description

⚡ Ignite your Jeep’s potential — Spark smarter, drive stronger!

TRUSTED NGK QUALITY - Backed by the world leader in spark plug technology, delivering consistent power and fewer misfires for a smoother drive.
PRECISION SPARK FOCUS - Patented V-cut nickel electrode concentrates spark energy for maximum ignition efficiency.
FUEL SAVVY PERFORMANCE - Optimized combustion reduces fuel consumption and emissions, keeping your Jeep Liberty running cleaner and longer.
LONG LASTING DURABILITY - Copper-grade construction ensures reliable performance for up to 60,000 miles, minimizing maintenance hassle.
ENGINEERED FOR JEEP LIBERTY - Specifically designed to fit 3.7L V6 models from 2002-2012, guaranteeing perfect compatibility and peak performance.

This 6-piece set of NGK V-Power spark plugs features a patented V-cut nickel electrode that enhances spark concentration for improved fuel economy and combustion efficiency. Designed specifically for Jeep Liberty 3.7L V6 models (2002-2012), these copper-grade plugs offer durable performance lasting between 30,000 to 60,000 miles, reducing misfires and emissions while ensuring reliable ignition backed by NGK’s industry-leading expertise.

Specifications

ASIN	B01N6UIB28
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#147,493 in Automotive ( See Top 100 in Automotive ) #896 in Automotive Replacement Spark Plugs
Brand Name	Sixity Auto
Compatible with Vehicle Type	Car, Truck
Core Material	Copper
Customer Reviews	4.8 4.8 out of 5 stars (501)
Gap Size	0.04 inches
Item Weight	10.56 ounces
Manufacturer	Sixity Auto
Manufacturer Part Number	4024190487
Model Number	4024190487
Thread Size	M14x1.5
Top Material Type	Ceramic, Metal
Unit Count	6 Count

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₩101334

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Korea.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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