Saima Lingshuai 4G18 Red Fuel Injector MD319791/MD319790, direct replacement fuel injector for original position

Haima Haima Senate 1.6L and Southeast Lingzhi 1.6L (4G18 engine, automatic) red fuel injector nozzles MD319791/MD319790 direct OEM replacement with red markings for easy identification. Standard pressure and voltage ensure precise injection; improves idle stability and throttle response. Replacement by professional technicians recommended; clean fuel lines and replace seals to prevent contaminants. Fleet buyers note high compatibility and OEM-level replacement results.