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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Sixity Auto 6 pc NGK V-Power Spark Plugs compatible with Jeep Liberty 3.7L V6 2002-2012

Sixity Auto 6 pc NGK V-Power Spark Plugs compatible with Jeep Liberty 3.7L V6 2002-2012

Product ID: 515510958

Details

Brand
Sixity Auto
Core material
Ceramic &
Thread size
M14x1.5
Top material type
Metal
Vehicle service type
Jeep Liberty

⚡Advanced ignition tech

🔥Sharper spark electrodes

🛡️Durable, damage-resistant housing

€ 113.45

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Description

⚡ Ignite your Jeep’s true power with Sixity Auto’s precision spark plugs!

VEHICLE SPECIFIC FIT - Tailored M14x1.5 thread size perfectly compatible with Jeep Liberty 3.7L V6 (2002-2012) for hassle-free installation.
LONG LASTING DURABILITY - Robust metal housing shields against wear, ensuring consistent performance over time.
PRECISION ENGINE IGNITION - Optimized ceramic & iridium core for maximum spark efficiency and faster combustion.
EMISSION FAULT REDUCTION - Engineered to reduce emissions and minimize fire faults, keeping your Jeep Liberty running clean and smooth.
TRUSTED PERFORMANCE LEADER - Powered by NGK’s world-class design, the #1 spark plug supplier trusted by professionals worldwide.

Sixity Auto’s 6-pack NGK V-Power spark plugs deliver superior ignition performance and durability for Jeep Liberty 3.7L V6 models (2002-2012). Featuring advanced ceramic and iridium cores with precision electrodes, these plugs reduce emissions and fire faults while ensuring faster, stronger combustion. Designed with a vehicle-specific M14x1.5 thread size and protected by a durable metal housing, they guarantee a perfect fit and long-lasting reliability. Backed by NGK’s industry-leading technology and a 4.8-star rating from 478 users, these spark plugs are the ultimate upgrade for Jeep enthusiasts seeking peak engine efficiency.

Specifications

ASIN	B01N6UIB28
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#74,051 in Automotive ( See Top 100 in Automotive ) #453 in Automotive Performance Spark Plugs
Brand	Sixity Auto
Brand Name	Sixity Auto
Compatible with Vehicle Type	Jeep Liberty
Core Material	Ceramic & Iridium
Core material	Ceramic & Iridium
Country of Publication	USA
Customer Reviews	4.8 out of 5 stars 478 Reviews
Gap Size	0.04 Inches
Item Weight	299 g
Manufacturer	Sixity Auto
Manufacturer Part Number	4024190487
Model Number	4024190487
Number of Items	1
Thread Size	M14x1.5
Thread size	M14x1.5
Top Material Type	Metal
Top material type	Metal
Unit Count	6 Count
Vehicle service type	Jeep Liberty

Reviews

P**S

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

W**N

worked on my 2010 jeep liberty limited

genuine product no issues

7.10.2025

K**.

One quality

Genuine plugs

10.05.2026

C**I

Muy bueno

3xcelenr

26.03.2026

M**E

Fits 08 jeep liberty

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

20.02.2025

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€ 113.45

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered 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 Slovakia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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