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

₩101000

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Details

Brand
Sixity Auto
Core Material
Copper
Thread Size
M14x1.5

Description

⚡ Ignite your Jeep’s potential with every mile!

TRUSTED OEM QUALITY - Engineered by NGK, the world leader in spark plug innovation, for guaranteed compatibility and excellence.
PRECISION SPARK FOCUS - Patented V-cut electrode concentrates spark energy for fewer misfires and smoother rides.
FUEL SAVVY PERFORMANCE - Optimized combustion enhances fuel economy, saving you money on every mile.
LONG LASTING DURABILITY - Copper-grade construction ensures reliable ignition for up to 60,000 miles of peak performance.
EMISSION REDUCTION BOOST - Sharper spark and efficient burn reduce emissions, keeping your Jeep Liberty greener and cleaner.

This 6-piece set of NGK V-Power spark plugs is engineered specifically for Jeep Liberty 3.7L V6 models (2002-2012). Featuring a patented V-cut nickel electrode, these plugs deliver a focused spark that improves fuel economy and reduces misfires. Built with durable copper-grade materials, they offer reliable performance for 30,000 to 60,000 miles, ensuring your engine runs cleaner and more efficiently with OEM-level quality trusted worldwide.

Specifications

Asin	B01N6UIB28
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#396,429 in Automotive (See Top 100 in Automotive) #2,133 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 (502) 4.8 out of 5 stars
Gap Size	0.04 inches
Item Weight	10.56 ounces
Manufacturer	Sixity Auto
Manufacturer Part Number	4024190487
Model Number	4024190487
Number Of Items	6
Thread Size	M14x1.5
Top Material Type	Ceramic, Metal
Unit Count	6 Count

Reviews

User

worked on my 2010 jeep liberty limited

genuine product no issues

7.10.2025

User

One quality

Genuine plugs

10.05.2026

User

Muy bueno

3xcelenr

26.03.2026

User

Fits 08 jeep liberty

Fits 08 Jeep Liberty 3.7l smooth idle and running good!

20.02.2025

User

Gap was close. .04. not .044 . & 2 were over.05

Make sure double check spark gap for your vehicle.. these said pre gap. .044 but actually I got a 4 pack at .040 and two extra plugs for my jeep were way off at .05+... Always gap own plugs to OEM specs . And if you unplug vehicles neg battery terminal while changing plugs.Car should start just fine .... 👍

12.10.2024

User

gret price

everything went together smoothly!!

26.05.2025

User

Exelente producto

Exelente

5.08.2025

User

2.11.2025

User

Spark plugs for Jeep Liberty 2011.

The spark plugs were perfect! My car was much better after change them. I do recommend the product and the seller. Fast delivery and great product! Thanks

15.01.2025

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₩101000

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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