NGK 5476 Spark Plug

Reliable Ignition with NGK Laser Iridium Spark Plug 5476

The NGK Laser Iridium Spark Plug 5476 offers consistent ignition performance for a range of GM and Saab vehicles. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Iridium center electrode tip for enhanced durability and stable spark
• Copper core center electrode for improved conductivity
• Standard ground electrode with nickel core material
• Pre-gapped to .036 inches for optimal ignition
• Tapered seat type and 14mm thread diameter for secure fitment
• Non-removable nut electrical terminal type
• Compatible with multiple Buick, Cadillac, Chevrolet, GMC, Pontiac, Saab, and Saturn models

Detailed Features of NGK Laser Iridium Spark Plug 5476

This NGK spark plug features a single ground electrode with a standard design and nickel core, providing reliable grounding for the ignition spark. The center electrode combines a copper core with an iridium tip, balancing excellent electrical conductivity with wear resistance. The plug’s pre-gap size of .036 inches ensures proper spark gap for efficient combustion. With a 5/8 inch hex size and 25mm reach, it fits securely in engines requiring a tapered seat and 14mm thread diameter. The non-removable nut terminal type simplifies connection without compromising electrical contact. The manufacturer heat range of 5 suits a variety of driving conditions, maintaining optimal operating temperature.

Compatible Vehicles and Applications

This NGK Laser Iridium Spark Plug 5476 is compatible with a wide range of vehicles, including Buick LaCrosse and Regal, Cadillac CTS and Escalade, Chevrolet Camaro and Corvette, GMC Terrain and Sierra, Pontiac Solstice, Saab 9-5, and Saturn Sky and Aura. It is designed for secondary ignition systems in these models, ensuring reliable engine starts and smooth performance.

• Improves ignition stability in Buick, Cadillac, Chevrolet, GMC, Pontiac, Saab, and Saturn vehicles
• Helps resolve misfires and rough idling issues
• Supports efficient fuel combustion and engine responsiveness
• Reduces electrode wear for longer service intervals
• Maintains consistent spark under varied driving conditions

Installation Notes and Tips

When installing the NGK Laser Iridium Spark Plug 5476, ensure the spark plug gap is set to the factory specification of .036 inches if adjustment is necessary. Use a torque wrench to tighten the plug to the manufacturer’s recommended torque to avoid damage to the tapered seat or threads. The 5/8 inch hex size allows for standard spark plug socket compatibility. Always inspect the ignition system components for wear or damage during replacement.

Quality Assurance and Warranty

NGK’s Laser Iridium Spark Plug line is engineered for durability and consistent performance. The use of iridium and copper materials in the electrode design enhances longevity and conductivity. While specific warranty details are not provided here, NGK products typically meet or exceed OEM standards for ignition components, ensuring reliable operation when installed according to guidelines.