Why Choose Us Superior Quality Every Time – Our aftermarket Alternator deliver performance that’s equivalent to the original. Direct-Fit OEM Replacement Parts – GNT-aftermarket Alternator are designed for perfect fitment to replace the ones that originally came with your vehicle. Engineer-Tested Excellence – GNT Alternator go through a rigorous testing program to ensure optimal performance. Fast engine Alternators – High quality magnets or field coils deliver more torque for fast and efficient engine starts. Seals out residue – Sealed housings and bearings keep the internal workings cleaner and drier. Premium materials – Copper and silver contacts instead of cheaper aluminum or steel ones. Long-term reliability – Quality brushes and bushings for a long service life and better efficiency. Brand new Alternators – Never settle for a secondhand refurbished one.