NGK Laser Iridium Spark Plugs Part Number 91418 – High-Performance OE Replacement for Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saturn, and More

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. CHEVROLET COBALT 2010-09, COLORADO 2012-10, HHR 2011-09, MALIBU 2012-09; GMC CANYON 2012-10; HUMMER H3 2010, H3T 2010; ISUZU I-370 2007; PONTIAC G6 2010; SATURN AURA 2009, SKY 2010-09

• 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

NGK Laser Iridium spark plugs are designed to deliver exceptional performance and extended service life, making them an ideal choice for a wide range of vehicles. Engineered specifically for OE applications, these plugs feature an iridium-tipped center electrode that is six times harder than platinum, ensuring superior durability and consistent spark performance over time. The use of high-grade pure alumina ceramic insulators provides excellent heat transfer and strength, helping to prevent overheating and improve overall engine efficiency. The copper core enhances heat removal, promoting reliable starts and smooth operation in demanding driving conditions.
Most NGK Laser Iridium plugs are equipped with a platinum pad on the ground electrode, which promotes even wear in distributorless ignition systems, extending the interval between replacements. The trivalent metal plating on the electrodes offers superior anti-corrosion and anti-seizing properties, maintaining optimal conductivity and reliability throughout their service life. These spark plugs are recommended for vehicles equipped with OE fine wire iridium alloy plugs, ensuring compatibility and peak performance.
Designed to fit a variety of vehicles including the 2006-2007 Isuzu Ascender, 2007 Chevrolet Trailblazer, and 2007 GMC Envoy, among others, the NGK ILTR5E11 spark plugs provide the perfect balance of durability, efficiency, and performance. Each box contains four plugs, making them an economical choice for replacement and maintenance. Whether you’re looking to improve fuel economy, reduce emissions, or enhance engine responsiveness, NGK Laser Iridium spark plugs are a reliable upgrade for your vehicle’s ignition system.

Features:

• Iridium-tipped center electrode: Provides durability six times greater than platinum for longer-lasting performance

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

• Copper core: Aids in heat removal for reliable engine starts

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

• Triple seals: Prevent leakage and ensure durability in harsh conditions

• Platinum pad on ground electrode: Promotes even wear in distributorless ignition systems

• Recommended for vehicles with OE fine wire iridium plugs: Ensures compatibility and optimal performance