NGK 6240 Spark Plug

NGK Laser Platinum Spark Plug Overview

The NGK Laser Platinum Spark Plug 6240 is engineered for reliable ignition performance in a range of Nissan and INFINITI vehicles. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation.

• Part Number: 6240 (Plfr5a-11)
• Center Electrode Tip Material: Platinum for enhanced durability
• Center Electrode Core Material: Copper for optimal conductivity
• Ground Electrode Core Material: Nickel with standard tip design
• Resistance: 5000 ohms to reduce electrical interference
• Pre-Gap Size: 0.044 inches for precise spark delivery
• Thread Diameter: 14.00 mm with 26.5 mm reach
• Hex Size: 5/8 inch for standard installation tools
• Electrical Terminal Type: Non-removable nut
• Seat Type: Flat for secure fitment
• Manufacturer Heat Range: 5

About the NGK Laser Platinum Spark Plug Line

The Laser Platinum Spark Plug line from NGK combines platinum-tipped electrodes with copper cores to provide a balance of durability and efficient electrical conductivity. This design helps maintain stable ignition performance over extended service intervals, making it suitable for vehicles requiring consistent spark quality under various driving conditions.

Detailed Product Description

The NGK Laser Platinum Spark Plug 6240 features a platinum center electrode tip that resists wear and erosion, extending the service life compared to conventional spark plugs. The copper core center electrode enhances thermal conductivity and electrical performance, ensuring reliable ignition. The ground electrode is made from nickel with a standard tip design, providing a stable spark gap and consistent firing. With a resistance of 5000 ohms, this spark plug helps minimize radio frequency interference, protecting vehicle electronics. The pre-gap size of 0.044 inches is factory set to optimize spark efficiency and combustion. Designed with a flat seat and a 14 mm thread diameter, it fits securely in compatible engines. The 5/8 inch hex size allows for straightforward installation using common tools.

Compatible Vehicles and Applications

• Compatible with Nissan models including 350Z, Altima, Armada, Frontier, Maxima, Murano, Pathfinder, Quest, Sentra, TITAN, X-Trail, and Xterra
• Compatible with INFINITI models such as FX35, FX45, G35, I35, M35, M45, Q45, QX4, and QX56
• Ideal for secondary ignition system replacement or maintenance
• Suitable for addressing ignition misfires, rough idling, and poor fuel economy

Installation Notes and Tips

• Ensure the spark plug gap is set to 0.044 inches before installation if adjustment is necessary
• Use a torque wrench to tighten the spark plug to manufacturer specifications to avoid damage
• Inspect the spark plug threads and cylinder head for debris before installation
• Replace spark plugs in sets to maintain consistent engine performance

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Laser Platinum Spark Plug 6240 undergoes rigorous testing for material integrity and electrical resistance. While specific warranty details may vary, NGK typically offers coverage against manufacturing defects. Consult vehicle or part documentation for exact warranty terms.