NGK 7994 Spark Plug

NGK Laser Iridium Spark Plug Overview

The NGK Laser Iridium Spark Plug 7994 is engineered for reliable ignition performance across a wide range of vehicles including Acura, Honda, Nissan, and Volkswagen models. Designed with precision materials and specifications, this spark plug supports efficient combustion and consistent engine operation.

• Iridium center electrode tip for enhanced durability and ignition
• Copper core center electrode for improved conductivity
• Standard ground electrode with nickel core material
• Non-removable nut electrical terminal type for secure connection
• Pre-gap size of 0.044 inches optimized for ignition efficiency
• Flat seat type and 14mm thread diameter for proper fitment
• Compatible with multiple makes and models including 300ZX, Altima, and Sonata

Detailed Product Features and Specifications

The NGK Laser Iridium Spark Plug (part number 7994) features a single ground electrode with a standard tip design made from nickel, providing a balance of durability and performance. The center electrode core is copper, which enhances electrical conductivity, while the iridium tip ensures a stable spark and longer service life. The spark plug has a resistance rating of 5000 ohms, which helps reduce radio frequency interference. Its pre-gap size is set at 0.044 inches, supporting optimal ignition timing and combustion efficiency. The spark plug’s hex size is 5/8 inch, with a reach of 0.75 inches and an insulator height of 50.50 mm, designed to fit a variety of engine configurations. The flat seat type and 14 mm thread diameter ensure proper sealing and fitment in compatible engines.

About the NGK Laser Iridium Spark Plug Line

The Laser Iridium Spark Plug line from NGK is designed to provide precise ignition performance with advanced electrode materials. Iridium tips offer enhanced wear resistance and consistent spark delivery, which contributes to improved fuel efficiency and engine responsiveness. This product line is suitable for a broad range of vehicles, including many Acura, Ford, and Subaru models, making it a versatile choice for secondary ignition needs.

Compatible Vehicles and Common Applications

• Replacement for spark plugs in Acura 3.2 TL and Honda Accord
• Suitable for Nissan 300ZX and Altima engines
• Compatible with Volkswagen Beetle and Jetta models
• Fits Subaru Forester and Outback ignition systems
• Applicable for Ford Taurus and Lincoln LS vehicles

Installation Notes and Tips

• Ensure the spark plug gap is set to 0.044 inches before installation
• Use a torque wrench to tighten to manufacturer specifications to avoid damage
• Check for proper thread engagement and seat type compatibility
• Inspect ignition wires and connectors for wear during replacement
• Apply anti-seize compound sparingly if recommended by vehicle manufacturer

Quality Assurance and Warranty

NGK spark plugs, including the Laser Iridium Spark Plug 7994, are manufactured to meet strict quality standards. The use of iridium and copper materials ensures durability and consistent performance. While specific warranty details may vary, NGK products typically come with manufacturer-backed quality assurance to support reliable ignition system operation.