The Autolite 4303 Spark Plug is designed to deliver a sharper, leaner spark for dependable engine ignition and consistent performance. It features a tapered nickel/chrome alloy tip paired with a copper center electrode to support efficient spark formation and reliable combustion.
Manufactured in the USA, this Autolite spark plug is built for applications requiring the 4303 model and part number. Its copper center electrode promotes effective heat transfer, while the tapered alloy tip is designed to help provide focused ignition performance. Verify vehicle, engine, year, and application specifications before installation to ensure proper fitment.
Designed as a direct replacement for compatible original-equipment spark plugs, the Autolite 4303 helps support smooth starting and dependable engine operation when properly matched to the application. Professional installation and use of the manufacturer-recommended spark plug gap and torque specifications are recommended.
Features:
- Brand: Autolite
- Model: 4303
- Manufacturer part number: 4303
- Vendor part number: 4303
- Electrode design: Copper center electrode
- Tip material: Tapered nickel/chrome alloy
- Performance: Designed for a sharper, leaner spark
- Manufacturing: Made in the USA
- Fitment: Compatible with select vehicles and engines requiring Autolite 4303 specifications; verify application before installation