NGK 5946 Spark Plug

Reliable Ignition with NGK Standard Spark Plug 5946

The NGK Standard Spark Plug 5946 is engineered to deliver consistent ignition performance for a variety of vehicles. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Resistance: 5000 ohms for optimal electrical performance
• Ground Electrode Tip and Configuration: Standard design with a single ground electrode
• Core Materials: Copper center electrode with nickel tip and nickel ground electrode core
• Electrical Terminal Type: Stud for secure connection
• Pre-Gap Size: 0.036 inches for precise spark gap
• Hex Size: 14 mm for standard installation tools
• Insulator Height: 50.00 mm ensuring proper insulation
• Manufacturer Heat Range: 6 for balanced heat dissipation
• Seat Type: Flat for consistent sealing
• Thread Diameter: 10.00 mm with 26.5 mm reach for proper fitment

About the NGK Standard Spark Plug Line

The NGK Standard Spark Plug line is designed to meet OEM specifications for secondary ignition components. This product line focuses on delivering reliable ignition with materials and designs that support everyday driving conditions. The Standard Spark Plug 5946 is part of this line, offering a balance of durability and performance suitable for many vehicle applications.

Technical Details and Performance

The NGK 5946 spark plug features a copper core center electrode, which enhances thermal conductivity and helps maintain stable operating temperatures. The nickel tip on the center electrode and the nickel ground electrode core provide durability and resistance to wear. With a resistance rating of 5000 ohms, this spark plug helps reduce radio frequency interference while maintaining efficient ignition. The flat seat type and 26.5 mm reach ensure proper sealing and fitment in compatible engines. The pre-gap size of 0.036 inches is set to optimize spark efficiency and combustion.

Common Applications and Problem Solving

• Restores engine misfire issues caused by worn or fouled spark plugs
• Improves cold start performance in vehicles requiring a heat range 6 spark plug
• Reduces rough idling and hesitation during acceleration
• Maintains consistent ignition timing for smoother engine operation
• Helps prevent spark plug fouling in standard driving conditions

Installation Notes and Tips

When installing the NGK Standard Spark Plug 5946, ensure the spark plug gap is checked and adjusted if necessary to 0.036 inches. Use a 14 mm socket wrench for proper torque application. The stud-type electrical terminal requires a compatible ignition wire connector. Confirm thread diameter and reach (10.00 mm diameter, 26.5 mm reach) match your vehicle’s specifications to avoid damage to the cylinder head or improper sealing.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Standard Spark Plug 5946 undergoes rigorous testing for electrical resistance, heat range, and material integrity. While specific warranty details are not provided, NGK products typically come with manufacturer-backed quality assurance to support long-term use in compatible vehicles.