NGK 5958 Spark Plug

Reliable Ignition with NGK Standard Spark Plug 5958

The NGK Standard Spark Plug 5958 (Part Number CPR6EB-9) delivers consistent ignition performance for a variety of vehicles. Designed with durable materials and precise specifications, this spark plug supports efficient engine operation and reliable starts.

• Resistance: 5000 ohms for optimal electrical performance
• Ground Electrode Tip Design: Standard for dependable spark delivery
• Center Electrode Core Material: Copper for excellent conductivity
• Ground Electrode Core Material: Nickel for durability
• Pre-Gap Size: 0.036 inches, factory set for proper spark gap
• Hex Size: 5/8 inch for standard installation tools
• Seat Type: Flat for secure sealing
• Manufacturer Heat Range: 6, suitable for moderate engine temperatures
• Electrical Terminal Type: Non-removable nut for stable connection

About the NGK Standard Spark Plug Line

The NGK Standard Spark Plug line is engineered to meet original equipment specifications, providing reliable ignition performance for everyday driving conditions. This product line focuses on delivering consistent spark quality and durability using proven materials such as copper and nickel. The Standard Spark Plug 5958 is part of this line, offering a balance of performance and longevity for compatible vehicles.

Technical Details and Performance

The NGK 5958 spark plug features a copper core center electrode that enhances electrical conductivity, ensuring efficient ignition and combustion. The nickel ground electrode and tip provide resistance to wear and corrosion, extending the service life of the plug. With a pre-set gap of 0.036 inches and a heat range of 6, this spark plug is designed to maintain optimal combustion temperatures and prevent fouling. The flat seat type ensures a proper seal in the cylinder head, while the 5/8 inch hex size allows for easy installation with common tools.

Applications and Problem Solving

• Restores engine misfire issues caused by worn or fouled spark plugs
• Improves cold start reliability in compatible vehicles
• Maintains consistent combustion for smoother engine performance
• Reduces rough idling and hesitation during acceleration
• Helps prevent spark plug fouling and electrode wear

Installation Notes and Tips

Before installation, verify the spark plug gap matches vehicle manufacturer specifications. Use a torque wrench to tighten the spark plug to the recommended torque to avoid damage to the cylinder head or plug. The non-removable nut electrical terminal requires compatible ignition wire connectors. Inspect the spark plug threads and cylinder head for cleanliness to ensure proper seating and sealing.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Standard Spark Plug 5958 undergoes rigorous testing for electrical resistance and heat range accuracy. While specific warranty details may vary, NGK products typically come with manufacturer-backed quality assurance to support vehicle maintenance needs.