NGK 5155 Spark Plug

Reliable Ignition with NGK V-Power Spark Plug 5155

The NGK V-Power Spark Plug 5155 is engineered to deliver consistent ignition performance for a range of vehicles including Buick, Chevrolet, Ford, Lincoln, Mercury, Oldsmobile, and Pontiac models. 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
• Pre-Gap Size: 0.040 inches for precise spark gap
• Hex Size: 5/8 inch for easy installation
• Insulator Height: 50.50 mm ensuring proper insulation
• Manufacturer Heat Range: 4, suitable for moderate heat conditions
• Seat Type: Flat for secure fitment
• Thread Diameter: 14.00 mm with 0.75 inch reach
• Electrical Terminal Type: Non-removable nut for durability

About the NGK V-Power Spark Plug Line

The V-Power Spark Plug line by NGK is designed to provide reliable ignition components that meet OEM specifications. This product line focuses on delivering consistent spark performance through quality materials such as copper and nickel electrodes, ensuring durability and efficient combustion. The 5155 part number is part of this line, offering a balance of heat range and resistance suitable for various domestic vehicles.

Technical Details and Compatibility

The NGK 5155 spark plug features a copper core center electrode with a nickel tip, which enhances conductivity and wear resistance. The single ground electrode with a standard tip design and nickel core provides stable spark delivery. With a resistance of 5000 ohms, it helps reduce radio frequency interference while maintaining ignition efficiency. The flat seat and 14 mm thread diameter with a 0.75 inch reach ensure proper fitment in compatible engines.

Compatible Vehicles and Applications

• Buick Achieva, Calais, Skylark
• Chevrolet Camaro, Corvette, Firebird
• Ford F-100, Thunderbird
• Lincoln Continental
• Mercury Cougar
• Oldsmobile Cutlass Calais, Cutlass Supreme, Grand Prix
• Pontiac Grand Am

Common Issues Addressed by NGK 5155 Spark Plug

• Engine misfires due to worn or faulty spark plugs
• Reduced fuel efficiency from inconsistent ignition
• Difficulty starting the engine in cold conditions
• Rough idling or hesitation during acceleration
• Excessive emissions caused by incomplete combustion

Installation Notes and Tips

Before installation, verify the spark plug gap is set to 0.040 inches as specified. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended torque to avoid damage to the threads or seat. The 5/8 inch hex size allows for standard spark plug socket compatibility. Ensure the ignition system is off and the engine is cool before replacing spark plugs to prevent injury or damage.

Quality Assurance and Warranty

NGK spark plugs, including the V-Power Spark Plug 5155, are manufactured to meet strict quality standards. The use of copper and nickel materials ensures durability and consistent performance. While specific warranty details may vary, NGK products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Buick, Chevrolet, Ford, Lincoln, Mercury, Oldsmobile, and Pontiac vehicles.