[Upgraded Alternator]: Alternators feature high-quality bearings with high-temp lubricant and double-lip rubber seals to reduce friction, vibration and noise; 100% Pure copper windings rotors and stators calibrated and then sealed with secondary insulating coating to help prevent shorts.
[OEM Quality]: This automotive replacement alternator undergo rigorous quality testing, including electrical performance, speed load, conversion efficiency, temperature, vibration, insulation performance, noise, and appearance dimensions. Service life more than 120,000 miles, 12-month unlimited mileage guarantee.