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Positive Ground 12 Volt Alternator

This is a great replacement alternator for upgrading from a 6 Volt Positive Ground system without changing the whole vehicles wiring. It can also be used as a high output upgrade on vehicles with a factory 12 Volt positive ground generator. It is a 1-wire alternator, so there is only an output cable required for installation. They can also be used to control a dash light by using our W290 wiring harness.

Also see our Brackets section for a quick easy conversion bracket to replace OE generators.

These units are supplied with a pulley. Make sure to measure the width of the belt across the top that you will be using and select the correct pulley to match your belt.


Quality Power
80 Amp max -- 55 amp idle $145.00
100 Amp max -- 65 amp idle $160.00
Standard 3/8” belt
1/2” belt-2.6” Diameter
5/8 or 3/4” belt-2 1/2” Diameter
5/8” belt-3” Diameter
Natural aluminum case
Chrome case add $40.00
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