Alternator - GM 1971-86 - 140 AMP - Natural Finish

Alternator - GM 1971-'86 - 140 AMP - Single V-Belt, Natural Finish

PART# 51203NG

$138.95   Suggested Retail
$124.95   Your Price
Free Shipping
In Stock  


Mr. Gasket alternators are built using all new components (not remanufactured) and exceed OEM specifications for maximum performance and durability. These alternators are available in a choice of finishes for a custom or stock look (black, chrome plated, or natural aluminum).


  • Made with Premium all new components (Not remanufactured)
  • Heavy duty Copper Windings, Diodes & internal Voltage Regulators
  • Ideal for HP, Muscle Cars, Truck & Daily Drivers
  • Hand Assembled & Tested
  • Attractive housing and finish options
  • Includes pulley


Alternator Style1-Wire
Bolt Spacing6.600"
BrandMr. Gasket
Emission CodeN/A
Output140 Amp
Product TypeElectrical Systems and Accessories
Pulley StyleV-Belt 1-Groove

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