NGK 5155 Spark Plug

NGK V-Power Spark Plug for OE-Style Ignition Performance

NGK V-Power Spark Plug Part Number 5155 is built for drivers who want a direct-replacement spark plug with OE-style dimensions and dependable ignition performance. It uses a copper core center electrode, nickel tip materials, and a standard ground electrode design to support consistent spark delivery in a wide range of domestic applications.

The V-Power Spark Plug line focuses on practical serviceability and original-equipment-style fitment. For vehicles such as the Chevrolet Camaro, Chevrolet Corvette, Buick Skylark, and Pontiac Grand Am, this plug is a straightforward choice when you need the correct heat range, thread size, and gap specification for routine tune-up service.

Key Features

• NGK V-Power Spark Plug, Part Number 5155
• Copper core center electrode for stable ignition transfer
• Nickel center and ground electrode tip materials
• Standard ground electrode design with one ground electrode
• 5,000 ohm resistance
• Pre-gapped at .040 for service-ready installation reference
• 14 mm thread diameter, 5/8 hex, flat seat, .75 reach
• Manufacturer heat range 4

Detailed Description

NGK FR4 / 5155 is a V-Power spark plug engineered to match OE-style requirements across many domestic vehicles. Its copper core construction helps maintain consistent thermal control, while the nickel electrode materials support reliable spark formation under everyday driving conditions. The flat seat, standard ground configuration, and non-removable nut terminal make it a practical replacement for applications that call for this exact plug design.

This part cross-references Champion Spark Plug 431 and 431S for the same application. It is also listed among interchange references for several OE-style replacement needs. For fitment-focused searches, this plug is commonly selected for 1987-1992 Chevrolet Camaro, 1988-1991 Chevrolet Corvette, 1988-1994 Buick Skylark, and 1988-1994 Pontiac Grand Am service work.

What It Helps Address

• Hard starting caused by worn or inconsistent spark plugs
• Misfire symptoms from degraded electrode surfaces
• Rough idle related to weak ignition output
• Reduced throttle response from aged tune-up components
• Service replacement needs for OE-style spark plug applications

Installation Notes and Tips

Verify the required thread diameter, reach, seat type, and heat range before installation. The listed pre-gap size is .040, but always confirm the vehicle specification against the service manual for the exact application. Use proper torque procedures and inspect ignition wires or coil components during spark plug service to help maintain consistent performance.

Fits 1987-1992 Chevrolet Camaro, N/A. Fits 1988-1991 Chevrolet Corvette, N/A. Fits 1988-1994 Buick Skylark, N/A. Fits 1988-1994 Pontiac Grand Am, N/A.

Quality Assurance

NGK is a long-established OE supplier with broad coverage across domestic and import vehicles, motorcycles, marine engines, and small engines. Part Number 5155 reflects NGK’s OE-focused manufacturing approach and application-specific design standards for dependable secondary ignition service.