170 amp High Output Marine alternator for late model GM LS engines $499.00 This MechMan Marine certified high output 170 amp 6 phase alternator is a great upgrade for boats using the popular "GM LS Truck" bolt pattern alternator. This style alternator was used by many boat manufacturers from the late 1990's through 2018. (check... Add to Cart
170 amp High Output Marine alternator to replace 20827 11SI Mechman $499.00 This high output alternator features late model 6-phase hairpin stator technology in a custom machined housing that bolts directly in place of the antiquated 11SI design. Don't be fooled by cheap re-winds advertised as making 150-200 amps in the original... Add to Cart
Marine 170 amp high output alternator for Ski / Wake Board Boats with 12SI 6.61 inch bolt pattern Mechman $499.00 This MechMan Marine certified high output 170 amp 6 phase alternator is a great upgrade for boats using the popular 6.61 inch center-to-center bolt pattern alternator. This style alternator was used by many boat manufacturers from the late 1960's... Choose Options
