NGK 4997 Spark Plug

Reliable Ignition with NGK Laser Platinum Spark Plug 4997

The NGK Laser Platinum Spark Plug 4997 is engineered to provide consistent ignition performance for Chrysler, Dodge, and Jeep vehicles. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Platinum center electrode tip for enhanced durability
• Copper core center electrode for improved conductivity
• Standard ground electrode with nickel core material
• Non-removable nut electrical terminal type
• Tapered seat type with 14mm thread diameter and 25mm reach
• Pre-gap size of 0.052 inches for optimal spark
• Hex size of 5/8 inch for easy installation
• Manufacturer heat range of 4 suitable for various driving conditions

Detailed Features and Specifications

This NGK Laser Platinum Spark Plug (part number 4997) features a platinum tip on the center electrode, which enhances wear resistance and maintains a stable spark over time. The copper core center electrode improves electrical conductivity, contributing to efficient ignition and fuel combustion. The ground electrode is constructed with a nickel core and a standard tip design, providing reliable grounding and spark gap consistency. The spark plug includes a non-removable nut electrical terminal, ensuring secure connection within the ignition system.

With a tapered seat type and a thread diameter of 14mm, this spark plug fits securely in the combustion chamber. The 25mm reach and 0.052-inch pre-gap size are optimized for the ignition requirements of compatible vehicles. The hex size of 5/8 inch allows for straightforward installation using common tools. The heat range of 4 is designed to balance heat dissipation and prevent fouling in engines such as the Chrysler 300, Dodge Charger, Jeep Grand Cherokee, and other compatible models.

About the NGK Laser Platinum Spark Plug Line

The Laser Platinum Spark Plug line from NGK is designed to offer a balance of durability and performance. Featuring a platinum center electrode tip, these spark plugs provide longer service life compared to standard plugs by resisting electrode wear. This product line is suitable for a range of vehicles requiring reliable secondary ignition components, including many Chrysler, Dodge, and Jeep models.

Compatible Vehicles and Common Applications

• Chrysler 300, Aspen, Caravan, Sebring, Stratus, Voyager
• Dodge Charger, Magnum, Ram 1500, Ram 2500, Ram 3500
• Jeep Commander, Durango, Grand Cherokee, Liberty, PT Cruiser, TJ, Wrangler

This spark plug is ideal for addressing ignition-related issues such as misfires, rough idling, poor fuel economy, hard starting, and reduced engine performance in these vehicles.

Installation Notes and Tips

• Ensure the engine is cool before removing old spark plugs
• Use a torque wrench to tighten the spark plug to manufacturer specifications
• Verify the pre-gap size of 0.052 inches before installation if adjustment is necessary
• Apply anti-seize compound sparingly on threads if recommended by the vehicle manufacturer
• Inspect ignition wires and boots for wear during replacement

Quality Assurance and Warranty

NGK spark plugs, including the Laser Platinum Spark Plug 4997, are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, NGK products typically come with a limited warranty against manufacturing defects. Always consult vehicle and product documentation for warranty coverage and installation guidelines.