NGK 94726 Spark Plug

NGK Laser Iridium Spark Plug 94726 Overview

NGK 94726 is a Laser Iridium spark plug built for OE-style ignition performance and long service life. It uses an iridium-tipped center electrode, a platinum ground electrode tip, and a fine-wire electrode design to support consistent spark delivery in modern turbocharged and direct-injection applications.

Compatible With select Audi and Volkswagen models, including Audi TTS Quattro, Audi A7 Sportback, Audi Q5 PHEV, Audi S3, Volkswagen Arteon, and Volkswagen Golf R. This part number, 94726, is also referenced as ILFER7A8EG.

Key Features

• Laser Iridium spark plug from NGK
• Iridium center electrode tip for durability and stable ignition performance
• Platinum ground electrode tip for even wear in distributorless ignition systems
• Fine-wire center electrode design
• Resistor type plug with 1000 ohm resistance
• Pre-gapped to 0.032 in. / 0.8 mm
• M14 x 1.25 thread size with flat seat
• 5/8 in. (16 mm) hex size and washer included
• Copper core construction with ceramic insulator

Product Details

NGK Laser Iridium spark plugs are engineered for OE applications where reliable cold starts, controlled heat range, and long electrode life matter. The iridium center electrode is paired with a platinum ground tip to help maintain consistent wear characteristics, while the copper core and high-grade ceramic insulator help manage heat transfer. Part number 94726 is a direct replacement for ILFER7A8EG applications and is listed for factory-recommended service intervals on select Audi and Volkswagen vehicles.

Fits 2021-2023 Audi TTS Quattro, N/A; Fits 2021-2022 Audi A7 Sportback, N/A; Fits 2022 Audi Q5 PHEV, N/A; Fits 2020-2021 Audi Q5 PHEV, N/A; Fits 2019-2021 Volkswagen Arteon, N/A; Fits 2018-2020 Audi S3, N/A; Fits 2019-2020 Audi TTS Quattro, N/A; Fits 2018-2019 Volkswagen Golf R, N/A.

This part cross-references ILFER7A8EG for the same application.

Common Issues This Part Can Address

• Hard starting or extended crank time
• Misfire concerns caused by worn spark plugs
• Rough idle or inconsistent combustion
• Reduced throttle response from aged ignition components
• Service interval replacement on OE-recommended maintenance schedules

Installation Notes and Tips

Verify the engine code and existing plug specification before installation. Check the pre-gap against the vehicle service information, and inspect coil boots and plug wells for oil, carbon, or moisture before fitting the new plug. Use the correct torque procedure for the cylinder head material and thread size to avoid damage.

Quality Assurance

NGK designs Laser Iridium plugs to meet OE application standards and durability requirements. The iridium and platinum electrode materials, copper core, and ceramic insulator are selected to support dependable ignition performance over extended service intervals.