NGK Laser Iridium Spark Plug Box of 4 (Part Number 5476) for Buick, Chevrolet, GMC, Pontiac, Saab, Saturn

NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems. NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Actual OE or equivalent replacement spark plug. BUICK 2014-10; CHEV 2014-08; GMC 2014-10; PONT 2009-08; SAAB 2011; SATURN 2010-07

• Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
• Trivalent metal plating for superior anti-corrosion and anti-seizing properties
• RECOMMENDED USAGE: Best for vehicles with OE fine wire iridium alloy plugs
• Copper core aids in heat removal
• Triple seals prevent leakage

The NGK Laser Iridium Spark Plug (Part Number 5476) offers an optimal balance of performance and longevity, engineered specifically for original equipment (OE) applications. Designed with an iridium-tipped center electrode, these plugs provide six times the durability of platinum, ensuring reliable ignition and extended service life. Crafted with high-grade pure alumina ceramic insulators, they deliver superior strength and efficient heat transfer, reducing the risk of overheating. The copper core enhances heat removal, supporting consistent engine performance across various driving conditions. Most Laser Iridium plugs feature a platinum pad on the ground electrode for even wear, particularly suited for distributorless ignition systems, contributing to consistent spark quality and engine efficiency.

Features:

• Iridium-tipped center electrode: Provides exceptional durability and long-lasting performance

• Pure alumina ceramic insulator: Ensures superior strength and better heat transfer

• Copper core: Aids in efficient heat removal to prevent overheating

• Triple seals: Prevent leakage and protect against contaminants

• Trivalent metal plating: Offers superior corrosion resistance and anti-seizing properties

• Designed for OE fine wire iridium alloy plugs: Ensures compatibility and optimal engine performance

• Most feature platinum pads on the ground electrode: Promotes even wear for distributorless ignition systems