NGK 91215 Spark Plug

Overview of NGK Laser Iridium High Ignitability Spark Plug 91215

The NGK Laser Iridium High Ignitability Spark Plug 91215 is engineered for reliable ignition performance in select INFINITI and Nissan vehicles. Designed to meet the specific needs of models like the Juke, Murano, Pathfinder, and QX60, this spark plug offers consistent firing and durability.

• Part Number: 91215
• Brand Line: Laser Iridium High Ignitability Spark Plug
• Center Electrode Tip Material: Iridium for enhanced ignition
• Ground Electrode Tip Design: Dual fine electrode for high ignitability
• Center Electrode Core Material: Copper for optimal conductivity
• Ground Electrode Core Material: Nickel
• Resistance: 5000 ohms
• Pre-Gap Size: 0.032 inches
• Thread Diameter: 12.00 mm with 28.5 mm reach
• Hex Size: 14 mm
• Seat Type: Flat
• Electrical Terminal Type: Non-removable nut
• Manufacturer Heat Range: 7

Detailed Product Description

The NGK Laser Iridium High Ignitability Spark Plug 91215 features a fine dual ground electrode design that improves ignitability and combustion efficiency. The iridium center electrode tip enhances spark durability and ignition performance, while the copper core ensures excellent electrical conductivity. The nickel ground electrode core provides strength and resistance to wear. With a resistance of 5000 ohms, this spark plug helps reduce electrical noise and interference. Its flat seat and precise pre-gap size of 0.032 inches support consistent spark delivery. The 14 mm hex size and 28.5 mm reach make it compatible with specific INFINITI and Nissan engines, including the Juke, Murano, Pathfinder, and QX60.

The Laser Iridium High Ignitability Spark Plug line by NGK is designed to provide improved ignition characteristics and longer service life compared to conventional spark plugs. This product line focuses on delivering reliable starts and efficient combustion, which can contribute to smoother engine operation and potentially better fuel economy.

Compatible Vehicles and Applications

• Compatible with INFINITI models such as QX60
• Compatible with Nissan Juke, Murano, and Pathfinder
• Designed for secondary ignition systems requiring a 12 mm thread diameter and 28.5 mm reach
• Suitable for engines requiring a heat range 7 spark plug

Installation Notes and Tips

• Ensure the spark plug gap is set to 0.032 inches before installation
• Use a 14 mm socket for proper tightening
• Apply anti-seize compound sparingly on threads if recommended by the vehicle manufacturer
• Torque to manufacturer specifications to avoid damage to the spark plug or cylinder head
• Check for proper fitment with your specific INFINITI or Nissan model before installation

Quality Assurance and Warranty

NGK spark plugs, including the Laser Iridium High Ignitability Spark Plug 91215, are manufactured to meet strict quality standards for durability and performance. The use of iridium and copper materials ensures long service life and consistent ignition. While specific warranty details may vary, NGK products typically come with manufacturer-backed quality assurance to support reliable operation in compatible vehicles.