The quality of your replacement Saturn Alternator can effect the overall reliability and operation of your Saturn vehicle. Regardless whether the Saturn Alternator your purchase is for a 1991 SL or SW series vehicle or the latest ION sedan, ION Quad Coupe or Saturn Vue, the consistent 'to-spec' current created by an OEM quality Saturn Alternator impacts battery charging and battery life. Quality current is also key to the optimum operation of the wide array of electronic equipment that is integral to every vehicle including the on board computers which control engine operation. 'Subquality' current can even impact fuel economy. Electronic 'noise' from a worn out or inferior quality replacement can lessen the enjoyment experience of even the most sophisticated in-vehicle entertainment systems. Another advantage offered by our OEM quality Saturn Alternator is increased belt life. The worn or low quality bearings can cause excessive resistance and wear to expensive belts and lead to premature replacement and even breakage with possible damage to the other engine components (such air conditioning compressors) driven by the same belt. All in all perhaps the best reason to purchases a new OEM quality Saturn Alternator is the simplest:: the security of knowing that this key element in your Saturn's electrical/charging system is delivering the consistent , quality current that promotes a sure starting vehicle.