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# 7273M 105A - Alternator, Aftermarket, Delco Type 12Si Series, Standard 3-Wire Regulator, 12 Volt / 105 Amp Rated Output

SKU
2821
$119.95
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1983-1986 Delco-Remy 12-SI Series
 Standard Internal Regulator Alternator

The 12-SI Alternator has the same outside dimensions as the10-SI (shown below) and will fit in it's place without modification.
The 12-SI has several design improvements over the 10-SI 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