NGK 7293 Spark Plug

NGK Iridium IX Spark Plug Overview

The NGK Iridium IX Spark Plug 7293 is engineered for reliable ignition performance in select Buick, Cadillac, Oldsmobile, and Pontiac vehicles. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation.

• Iridium center electrode tip for enhanced durability and ignition
• Taper cut ground electrode tip design for improved spark exposure
• Copper core center electrode for optimal conductivity
• Standard ground configuration with nickel ground electrode core
• Non-removable nut electrical terminal type for secure connection
• Pre-gap size of 0.060 inches for precise spark gap
• Flat seat type with 14mm thread diameter and 0.375 inch reach
• Hex size of 13/16 inch for installation with common tools
• Manufacturer heat range of 4 suitable for moderate engine temperatures
• Insulator height of 55.00 mm for proper fitment

Iridium IX Spark Plug Product Line Details

The Iridium IX Spark Plug line by NGK is designed to provide enhanced ignition performance through the use of iridium, a metal known for its high melting point and wear resistance. This product line focuses on delivering consistent spark and improved durability compared to conventional spark plugs. The 7293 part number incorporates these features to meet the ignition demands of various GM vehicles.

Technical Description and Compatibility

The NGK 7293 spark plug features a copper core center electrode with an iridium tip, which improves ignition efficiency and electrode longevity. The taper cut ground electrode tip design increases spark exposure, promoting better combustion. With a resistance rating of 5000 ohms, it helps reduce electrical noise interference. This spark plug is compatible with a range of Buick, Cadillac, Oldsmobile, and Pontiac models including the Bonneville, Catalina, Cutlass, Eldorado, Firebird, Grand Prix, LeSabre, Riviera, Seville, and Toronado, among others.

Common Applications and Problem Solving

• Restores proper ignition in engines experiencing misfires
• Improves cold start performance in older GM vehicles
• Reduces fouling and electrode wear in high-mileage engines
• Maintains consistent spark for smoother acceleration
• Helps prevent ignition-related rough idling and hesitation

Installation Notes and Tips

Ensure the spark plug gap is set to the specified pre-gap size of 0.060 inches before installation. Use a 13/16 inch socket for proper tightening and avoid over-torquing to prevent damage to the flat seat. The 0.375 inch reach and 14mm thread diameter are designed to fit the specified GM models; verify compatibility before installation. The non-removable nut terminal requires a compatible ignition wire connector for secure attachment.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards for durability and performance. The Iridium IX Spark Plug 7293 undergoes rigorous testing to ensure consistent ignition and long service life. While specific warranty details are not provided here, NGK typically offers coverage against manufacturing defects. Refer to NGK’s official documentation for warranty terms.