NGK Laser Iridium Spark Plug: Chrysler 300 (09-20) / Dodge Challenger / Charger / Dakota (08-11) / Durango / Ram 1500 / 2500 / 3500 (08-20) / Jeep Grand Cherokee (08-20)

NGK Laser Iridium Spark Plug

2008–2020 Dodge Dakota / Durango / Ram 1500 / 2500 / 3500 / Jeep Grand Cherokee / Chrysler 300 / Dodge Challenger / Charger

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Overview:

The NGK Laser Iridium Spark Plug (LZFR5CI-11) is engineered to deliver superior ignition performance and long-lasting durability for a wide range of popular Dodge, Jeep, Chrysler, and Ram vehicles. Designed for drivers who demand reliable starts, smooth engine operation, and improved fuel efficiency, this spark plug is an ideal upgrade or replacement for factory-installed plugs.

Featuring advanced iridium technology, the NGK Laser Iridium spark plug offers enhanced ignitability and a longer service life compared to conventional plugs. It is perfectly suited for performance-oriented vehicles such as the Dodge Challenger and Charger, as well as heavy-duty trucks like the Ram 2500 and 3500, ensuring consistent combustion under various driving conditions.

Key Features:

NGK’s Laser Iridium spark plug incorporates cutting-edge design and materials to optimize engine performance and reliability. Key features include:

• Ultra-fine 0.4mm iridium center electrode for precise spark and improved ignitability
• Laser-welded iridium tip for exceptional durability and wear resistance
• Optimized ground electrode design to reduce quenching and enhance combustion efficiency
• Heat range 5 specification for balanced thermal performance across compatible engines
• Corrosion-resistant nickel-plated shell for extended service life
• Resistor type to minimize radio frequency interference (RFI) and ensure smooth electronics operation
• Compatible with a broad range of gasoline engines from Chrysler, Dodge, Jeep, and Ram
• Precision manufacturing ensures consistent gap and fitment for reliable installation

Construction & Design:

The NGK Laser Iridium spark plug is crafted with premium materials and advanced engineering to meet the demands of modern engines. The iridium center electrode is laser-welded to a nickel alloy core, providing exceptional strength and resistance to electrode erosion. This fine electrode design reduces voltage requirements for ignition, promoting more complete combustion and better fuel economy.

The ground electrode is shaped to minimize spark quenching, allowing for a more efficient flame kernel development. The shell is treated with a corrosion-resistant coating to withstand harsh under-hood environments, while the integrated resistor helps suppress electrical noise that can interfere with vehicle electronics.

Installation & Fitment:

Installation of the NGK Laser Iridium spark plug is straightforward and requires no modifications. It is designed as a direct fit replacement for factory spark plugs on a wide range of vehicles, including Dodge Dakota (2008–2010), Dodge Durango (2008–2020), Dodge Ram 1500 (2008–2010 and 2011–2020), Ram 2500 (2009–2010 and 2011–2018), Ram 3500 (2009 and 2011–2018), Jeep Grand Cherokee (2008–2020), Chrysler 300 (2009–2020), Dodge Challenger (2009–2020), and Dodge Charger (2009–2020).

Always consult your vehicle’s service manual for proper torque specifications and gap settings before installation to ensure optimal performance and longevity.

What’s Included

• NGK Laser Iridium Spark Plug (LZFR5CI-11)

Ideal For:

This spark plug is ideal for drivers seeking enhanced ignition reliability, improved throttle response, and extended service intervals. It suits daily drivers, performance enthusiasts, and owners of heavy-duty trucks who require dependable spark plugs capable of handling demanding conditions without sacrificing efficiency or engine smoothness.