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Prestolite 120 Amp Marine Alternator 

# 620-3148
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Prestolite 120 Amp Marine Alternator with Tach Terminal

This USCG approved Prestolite marine alternator is 100% new, not rebuilt, and features the latest in non-corrosive elements. 10Si Style Alternator. 1" Mounting Foot, .5" Diameter, Bolt Hole W/ 3-Hole Adjustment Ear, Ignition Projected SAE J1171, 3-Wire Hook Up, Red Wire Is For Sensor, Black Wire Is For Excitation, Internally Regulated And Rectified. OE# 78403A2 Hi-Output replacement for older Mercruiser 1983-89 55Amp Motorola Alternators.
MSRP: $378.00
Your Price: $343.99
 You Save: 9% off MSRP!

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