Autotech

AutoTech Engineering has been building high-output alternators since 1985 from their facility in Riverside, California. Specializing in car audio, marine, off-road, and racing applications, they claim more vehicle coverage than any other company in their segment. Their alternators range from 270 to 500+ amps, featuring modern Denso hairpin technology and rigorous triple-test quality control on every unit. Available in 30 custom powder coat colors with competitive pricing and a lifetime warranty, AutoTech has earned a solid reputation alongside premium brands like Mechman and Singer as a trusted source for high-current electrical upgrades.