NGK 5118 Spark Plug

Reliable Ignition Performance for Nissan and Suzuki Vehicles

The NGK Laser Platinum Spark Plug 5118 is engineered to deliver consistent ignition performance for select Nissan and Suzuki models. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Part Number: 5118 (Plzkar6a-11)
• Compatible with Nissan Equator, Frontier, Sentra, Versa, Versa Note
• Center electrode with platinum tip and copper core for enhanced conductivity
• Standard ground electrode design with nickel core material
• Pre-gap size of 0.044 inches for optimal spark gap
• Flat seat type with 12 mm thread diameter and 26.5 mm reach
• Non-removable nut electrical terminal type
• Manufacturer heat range rating of 6
• Hex size 14 mm for installation

About the NGK Laser Platinum Spark Plug Line

The Laser Platinum Spark Plug line from NGK combines platinum-tipped center electrodes with copper cores to provide stable ignition and longer service life. This design reduces electrode wear and maintains consistent spark performance, making it suitable for vehicles requiring precise ignition components. The 5118 spark plug benefits from this technology, ensuring compatibility and durability for Nissan and Suzuki models.

Technical Details and Features

This NGK spark plug features a platinum center electrode tip paired with a copper core, which enhances electrical conductivity and heat dissipation. The ground electrode uses a nickel core with a standard tip design, providing reliable spark grounding. The plug’s resistance is rated at 5000 ohms, helping to reduce electrical noise and interference. With a pre-gap size of 0.044 inches and a flat seat type, it ensures proper sealing and spark gap consistency. The thread diameter of 12 mm and reach of 26.5 mm match OEM specifications for the listed Nissan and Suzuki vehicles.

Common Applications and Problem Solving

• Restores proper ignition in Nissan Equator and Frontier engines
• Improves fuel efficiency and reduces misfires in Nissan Sentra and Versa models
• Addresses rough idling and starting issues in Suzuki vehicles
• Helps maintain engine performance by preventing electrode wear
• Reduces electrical interference with 5000 ohm resistance

Installation Notes and Tips

When installing the NGK Laser Platinum Spark Plug 5118, ensure the spark plug gap is set to the specified 0.044 inches if adjustment is necessary. Use a 14 mm socket for proper torque application to avoid damage to the flat seat. The non-removable nut terminal requires compatible ignition wiring connectors. Always follow vehicle manufacturer torque specifications and replace spark plugs in sets for balanced engine performance.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable ignition and durability. The Laser Platinum Spark Plug 5118 undergoes rigorous testing for heat range, electrode wear, and electrical resistance. While specific warranty details may vary, NGK products typically come with manufacturer-backed quality assurance to support long-term vehicle operation.