NGK 7090 Spark Plug

NGK G-Power Spark Plug 7090 for OE-Style Ignition Performance

NGK G-Power Spark Plug 7090 is built for drivers who want a dependable ignition tune-up part with OE-focused construction. It combines a platinum center electrode tip, copper core center electrode, and nickel ground electrode to support consistent spark delivery across a wide range of import and domestic applications.

Compatible With select Mitsubishi Outlander Sport, Toyota Yaris, Hyundai Sonata, Kia Sedona, and Subaru Forester applications, this spark plug is a fitment-based replacement for many vehicles that call for a 14 mm thread, flat seat, 0.75 reach, and 0.040 pre-gap. Part number 7090 is also identified as BKR5EGP.

Key Features

• Platinum center electrode tip for stable ignition performance
• Copper core center electrode for efficient heat transfer
• Nickel ground electrode with standard configuration
• 5000 ohm resistance for ignition system compatibility
• 0.040 pre-gap with a flat seat design
• 14 mm thread diameter, 0.75 reach, 5/8 hex size
• NGK G-Power Spark Plug line for OE-style replacement needs

Product Details

NGK is a long-established OE supplier and manufacturer with broad coverage across automotive, motorcycle, marine, and small engine applications. The G-Power Spark Plug line focuses on original-equipment-style durability and operational consistency, making this plug a practical choice for routine maintenance on vehicles such as the Mitsubishi Lancer, Toyota Corolla, and Hyundai Accent. The part number 7090 is engineered around common OE dimensions and ignition requirements, helping maintain proper spark delivery when the correct gap and application are used.

This part cross-references Bosch 3980 and Autolite AP3924 for the same application.

Common Issues This Spark Plug Can Address

• Hard starting caused by worn or fouled spark plugs
• Rough idle from inconsistent ignition firing
• Misfire conditions related to plug wear or incorrect gap
• Reduced throttle response from weak spark output
• Maintenance intervals due for ignition tune-up service

Installation Notes and Tips

• Verify vehicle-specific fitment before installation, especially on applications with different gap requirements.
• Set the spark plug gap to the specification listed for the vehicle; some applications require 0.044, 0.040, 0.039, 0.032, 0.028, or 0.050 inches.
• Use the correct torque procedure for the cylinder head material and plug seat type.
• Inspect ignition coils, wires, and boots during replacement to avoid repeat misfire concerns.
• Confirm the plug matches the engine’s OE heat range and thread reach before installation.

Quality Assurance

NGK manufactures spark plugs to original equipment standards and supports broad OE coverage backed by decades of automotive engineering experience. Part number 7090 reflects NGK’s focus on durability, consistent performance, and application-specific ignition requirements.