NGK 92176 Spark Plug

NGK Laser Iridium Spark Plug 92176

NGK Laser Iridium Spark Plug 92176 is built for OE-style ignition performance with long service life and consistent starting. It uses an iridium fine-wire center electrode, platinum ground electrode tip, and a copper core to help maintain stable spark output in demanding engine conditions.

Compatible With Cadillac XT5, Cadillac XT6, Chevrolet Blazer, Chevrolet Camaro, GMC Acadia, Chevrolet Colorado, and GMC Canyon applications that call for NGK service number ILNAR7A9.

Key Features

• Laser Iridium design with iridium center electrode tip for durable spark delivery
• Platinum ground electrode tip for even wear in distributorless ignition systems
• Copper core construction helps control heat and support reliable starts
• Fine-wire center electrode design for precise ignition performance
• Resistor type plug with 5,000 ohms resistance
• Tapered seat, M12 x 1.25 thread, 14 mm hex, and 0.984 in. reach
• Pre-gapped to 0.036 in. / 0.9 mm

Product Details

NGK’s Laser Iridium line is engineered for OE applications and tested to demanding quality standards. This spark plug combines an iridium center electrode with a platinum ground tip and high-grade ceramic insulation to help resist overheating while supporting dependable ignition performance. The 7 heat range and mid-projection design align with factory-style service requirements on select Cadillac, Chevrolet, and GMC engines. Part number 92176 is also identified by service number ILNAR7A9.

This part cross-references Edelmann 92176 and ILNAR7A9 for the same application.

Common Issues This Part Can Address

• Hard starting caused by worn or inconsistent spark plugs
• Rough idle from degraded ignition performance
• Misfire conditions related to electrode wear
• Reduced throttle response from weak spark delivery
• Service interval replacement on OE-recommended maintenance schedules

Installation Notes and Tips

Verify the engine application before installation and confirm the specified gap, thread size, seat type, and heat range match the vehicle requirements. Use proper spark plug service procedures, including careful torque application and inspection of the ignition coil boots and plug wells. For fitment-based searches, this plug is used on 2024-2025 Cadillac XT5, 2024-2025 Cadillac XT6, 2024-2025 Chevrolet Blazer, 2024 Chevrolet Camaro, 2017-2023 Cadillac XT5, 2020-2023 Cadillac XT6, 2019-2023 Chevrolet Blazer, 2018-2023 Chevrolet Camaro, 2018-2023 GMC Acadia, 2017-2022 Chevrolet Colorado, and 2017-2022 GMC Canyon.

Quality Assurance

NGK Laser Iridium spark plugs are manufactured for OE-level applications and validated to high durability standards. The iridium and platinum electrode materials, ceramic insulator, and copper core construction are selected to support consistent ignition performance over extended service intervals.