NGK Iridium Spark Plug Box of 4 (IZTR5B11)
$70.99
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 2009-04; CADILLAC 2014-02; CHEV 2014-94; GMC 2014-99; HUMMER 2010-03; ISUZU 2006-03; LINCOLN 2007-06; PONT 2009-98; SAAB 2009-05
- 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 IZTR5B11 is designed to deliver exceptional performance and durability for a wide range of vehicles. Engineered specifically for OE applications, this spark plug features an iridium-tipped center electrode that offers six times the durability of platinum, ensuring long-lasting service and reliable ignition. The high-grade pure alumina ceramic insulator provides superior strength and efficient heat transfer, helping prevent overheating and maintaining optimal engine performance. The copper core further aids in heat removal, enhancing overall spark plug efficiency and longevity.
This spark plug incorporates a platinum pad on the ground electrode for even wear, especially in distributorless ignition systems, contributing to consistent firing and extended service life. Trivalent metal plating enhances resistance to corrosion and seizing, reducing maintenance needs and ensuring smooth installation and removal. Triple seals protect against leakage, safeguarding the internal components and maintaining performance under demanding conditions.
The NGK IZTR5B11 is recommended for vehicles with OE fine wire iridium alloy plugs and fits a variety of models including Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Lincoln, Pontiac, and Saab manufactured from 1998 through 2014. This spark plug is a direct replacement, offering a perfect balance of performance, reliability, and longevity. Whether for routine maintenance or performance upgrades, NGK’s Laser Iridium spark plugs are engineered to meet the highest standards for quality and durability, making them an excellent choice for your vehicle's ignition system.
Features:
- Iridium-tipped center electrode for six times the durability of platinum
- Pure alumina ceramic insulator for superior strength and heat transfer
- Copper core aids in efficient heat removal
- Platinum pad on ground electrode for even wear in distributorless systems
- Trivalent metal plating for enhanced corrosion resistance
- Triple seals prevent leakage and protect internal components
