NGK 94122 Spark Plug

Reliable Ignition Performance for Acura, BMW, Honda, and More

The NGK Ruthenium HX High Ignitability Spark Plug 94122 is engineered to deliver consistent ignition and improved combustion efficiency. Designed for a range of vehicles including Toyota Camry, Lexus RX350, and Subaru Outback, this spark plug supports optimal engine performance and fuel economy.

• Dual fine electrode ground tip for high ignitability
• Ruthenium center electrode tip for enhanced durability
• Copper core center electrode for efficient conductivity
• Standard ground configuration with nickel core material
• Non-removable nut electrical terminal type
• Pre-gap size of 0.044 inches for precise spark delivery
• Flat seat type with 14mm thread diameter and 26.5mm reach
• Manufacturer heat range rating of 6
• Hex size 5/8 inch for easy installation

About the Ruthenium HX High Ignitability Spark Plug Line

The NGK Ruthenium HX High Ignitability Spark Plug line focuses on delivering improved ignition performance through advanced electrode design. Featuring a ruthenium tip on the center electrode, these plugs provide enhanced wear resistance and stable spark generation. The dual fine electrode ground tip design further supports quicker ignition, making this line suitable for modern engines requiring precise spark timing and durability.

Technical Details and Compatibility

This spark plug features a copper core center electrode with a ruthenium tip, combining excellent electrical conductivity with long-lasting performance. The ground electrode uses nickel core material and a dual fine electrode tip design to ensure reliable ignition. With a pre-gap size of 0.044 inches and a flat seat type, the NGK 94122 spark plug fits vehicles requiring a 14mm thread diameter and 26.5mm reach. Compatible with various makes and models such as the BMW 328i, Honda Civic, Lexus IS350, Toyota Tacoma, and Volvo XC90, this spark plug meets the demands of secondary ignition systems.

Common Applications and Problem Solving

• Improves ignition reliability in Acura ILX and Subaru Outback engines
• Reduces misfires and rough idling in BMW 330i and Lexus RX450h
• Enhances fuel efficiency for Toyota Highlander and Honda Insight
• Supports stable combustion in Volvo XC60 and Toyota 4Runner
• Addresses spark plug wear and electrode erosion in various models

Installation Notes and Tips

Ensure the spark plug gap is set to the specified 0.044 inches before installation. Use a 5/8 inch hex socket for proper torque application. The flat seat design requires correct seating to avoid compression leaks. The non-removable nut electrical terminal type means no additional terminal hardware is needed. Always follow vehicle manufacturer torque specifications to prevent damage.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring consistent performance and durability. The Ruthenium HX High Ignitability Spark Plug 94122 undergoes rigorous testing for heat range and electrical resistance (5000 ohms) to maintain engine reliability. Warranty coverage details should be confirmed with the vehicle or part supplier.