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7273M A170 Amp 12Si Series Standard Voltage Regulator Alternator

7273M A170 Amp 12Si Series Standard Voltage Regulator Alternator

D17273MA170

$189.95 USD
$189.95 USD
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170 Amp Delco-Remy 12SI type Internal Regulator Alternator, Standard Hookup

The 12Si Alternator has the same outside dimensions as the10Si (shown below) and will fit in it's place without modification.
The 12Si has several design improvements over the 10Si that make it the better choice between the two.

Improvements include:
· Larger Rectifier to handle more Amps.
· Wider Stator and Rotor for improved
Magnetism for Better Low End Output
Plus the increase in mass helps with Heat Dissipation
· Larger Cooling Holes at back for Better Cooling of
Rectifier, Stator and other internal components
· High Volume Axial Turbo fan for Greater Air Flow through the Alternator
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