NGK 90117 ILTR6E11 Laser Iridium Spark Plug 14mm Thread 25mm Reach

The NGK 90117 Laser Iridium spark plug (NGK part number ILTR6E11) is an OE-equivalent iridium spark plug. It is designed for modern high-efficiency engines that need a consistent spark and long service life. It is also sold as an iridium ignition plug or replacement spark plug.

Key Features:

• Iridium alloy center electrode: The fine wire tip is 0.6mm. Iridium has a very high melting point and is about six times harder than platinum.
• Platinum ground electrode: Adds ignitability and service life.
• Solid copper core: The 98% pure copper core helps dissipate heat and gives a wide heat range.
• Alumina ceramic insulator: High-grade pure alumina ceramic helps prevent overheating and supports reliable starts.
• Trivalent metal plating: Resists corrosion and seizing, which makes the plug easier to install and remove.
• Triple seals: Help prevent combustion leakage.

Specifications:

• Thread diameter: 14mm
• Thread pitch: 1.25mm
• Reach: 25mm (1 inch)
• Hex size: 5/8 in (16mm)
• Seat type: Tapered
• Terminal type: Solid, non-removable nut
• Insulator type: Projected
• Resistor type: Yes
• Pre-set gap: 0.043 in (1.1mm)

Cross-references: NGK ILTR6E11; General Motors 12611882, 12622561; ACDelco 12622561, 19300872, 41-107, 41-109; DENSO 4719, ITV20TT; Bosch 8171, 9616, HR7NII33X, HR8NPP302; Champion 7004, 9299.

NGK is a leading OE spark plug supplier. The Laser Iridium line is engineered to OE standards for durability and performance, and suits vehicles originally equipped with fine wire iridium plugs.