The NGK Spark Plugs LZMAR8AI-10 spark plug is designed to provide dependable ignition performance and long service life in compatible automotive applications. Manufactured by NGK Spark Plugs, this spark plug features a precision-engineered design that supports consistent combustion, reliable engine starting, and efficient operation. The manufacturer part number is 94021, and the vendor part number is also 94021.
Trivalent metal plating provides strong resistance to corrosion and seizing, helping simplify future spark plug removal and protecting the plug in demanding engine environments. Corrugated ribs on the insulator help prevent flashover, while the pure alumina silicate ceramic insulator delivers high strength and efficient heat transfer. A copper core assists with heat removal, helping the plug maintain stable operating temperatures during normal driving and under load.
Triple seals help prevent leakage and support dependable performance over the service life of the plug. The LZMAR8AI-10 model is intended as a direct-fit replacement only for vehicles and engines specified for this NGK application. Confirm fitment using the vehicle year, make, model, engine configuration, and original equipment specifications before installation. Proper installation should follow the vehicle manufacturer’s recommended torque and service procedures.
Features:
- Brand: NGK Spark Plugs
- Model: LZMAR8AI-10
- Manufacturer part number: 94021
- Vendor part number: 94021
- Application: Spark plug for compatible automotive engines
- Corrosion resistance: Trivalent metal plating helps resist corrosion and seizing
- Flashover protection: Corrugated insulator ribs help prevent flashover
- Insulator material: Pure alumina silicate ceramic provides strength and heat transfer
- Heat control: Copper core assists with heat removal
- Leak prevention: Triple seals help prevent leakage