Boost your electrical power output to drive addition components. Manufactured to meet or exceed original equipment specifications. High temperature epoxy and balanced rotors promote longer part life. Double sealed bearings keep dirt and grit from prematurely wearing on bearing surfaces. All Arrowhead Electrical Products Alternators are backed by a 1 year manufacturers warranty.; 90 Amp high-output replacement Replacement for OE alternator Meets or exceeds OEM specifications High-temperature epoxy and dynamically balanced rotor Double sealed bearings