Marine GM 12si Pattern 170-High Output Alternators
Marine GM 12si Pattern 170-High Output Alternators - 170 amps 6 phase hairpin / A- V belt is backordered and will ship as soon as it is back in stock.
Couldn't load pickup availability
Subscribe to our newsletter
Sign up for exclusive offers.
Description
Description
Hairpin units are commonly called 6 phase. They produce more output at idle and are more efficient than a conventional alternator. JS Alternators hairpin units feature premium bearings to withstand high engine rpm and utilize dual plate rectifier with 12 heavy duty diodes for improved cooling. Hairpin Units are a more reliable alternator to withstand high heat, high demand for car audio, marine, and racing applications. Mercruiser
When ordering select A for v-belt or B for serpentine belt
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.