NGK 94224 Spark Plug

NGK Laser Iridium Spark Plug 94224 Overview

NGK 94224 is a Laser Iridium spark plug built for precise ignition performance and OE-style service intervals. It is listed for select Volkswagen Golf, Jetta, and Golf SportWagen applications, including 2019-2021 models with factory-recommended 40,000-mile service intervals.

The Laser Iridium line focuses on stable spark delivery, durable electrode construction, and consistent fitment for modern ignition systems. For drivers searching for a Volkswagen Golf spark plug or Volkswagen Jetta spark plug replacement, NGK 94224 provides a direct-service option with application-specific specifications.

Key Features

• Laser Iridium center electrode tip for durable spark performance
• OE-style flat seat design
• 0.031 in pre-gap size
• 12 mm thread diameter with 0.71 in reach
• 1000 ohm resistance for ignition system compatibility
• Copper core construction in both center and ground electrodes
• Single ground electrode with standard configuration
• Heat range 7 for specified engine applications

Product Details

NGK 94224, also identified by part number IKER7A8EGS, is a Laser Iridium spark plug engineered for vehicles that call for a 12 mm, flat-seat plug with a 0.031 in gap. The iridium center electrode tip supports consistent ignition performance, while the copper core design helps manage heat transfer in the specified application range. This part cross-references NGK 94224 for the same application.

Compatible With 2021 Volkswagen Golf, N/A; 2021 Volkswagen Jetta, N/A; 2019-2020 Volkswagen Golf, N/A; 2019-2020 Volkswagen Jetta, N/A; and 2019 Volkswagen Golf SportWagen, N/A. Search terms such as 2020 Volkswagen Golf spark plug, 2021 Volkswagen Jetta ignition service part, and 2019 Volkswagen Golf SportWagen Laser Iridium spark plug align with this application data.

Common Issues This Part Can Address

• Worn spark plug electrodes affecting ignition consistency
• Hard starting caused by degraded plug performance
• Rough idle from an aging ignition service component
• Misfire concerns tied to incorrect gap or worn plug tips
• Reduced combustion efficiency in scheduled maintenance service

Installation Notes and Tips

Verify engine application, thread diameter, reach, seat type, and gap before installation. Use the vehicle service specification for torque and gap verification, and inspect the ignition coil boots and plug wells during service. For Volkswagen Golf and Volkswagen Jetta maintenance, confirm the factory-recommended service interval and replace plugs according to the vehicle schedule.

Quality Assurance

NGK is a long-established OE supplier with broad coverage across domestic and import vehicles in North America. The brand’s manufacturing and distribution network supports original-equipment standards for durability and operational performance in approved applications.