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![51203NG 1-Wire Alternator for GM Single V-Belt [140 AMP, Natural Finish]](https://www.jegs.com/images/mini_750/700/720/720-51203ng.jpg)
Vehicle Info NeededMR GASKETPART NUMBER: 720-51203NG
51203NG 1-Wire Alternator for GM Single V-Belt [140 AMP, Natural Finish]
$23995
3 left in stock
Ships on Nov 02, 2026
Lowest Price GuaranteeNatural Finish
1-Wire AlternatorFits 1971-1986 GM Single V-Belt 140 Amp 1-Groove V-Belt Natural Finish
Mr. Gasket 51203NG 1-Wire Alternator Features:
Mr. Gasket Alternators are built using all new components, not remanufactured, and exceed OEM specifications for maximum performance and durability.- 1 wire
- 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 1-groove v-belt pulley
Part TypeAlternator
BrandMR GASKET
Package Height8.0
Package Width8.25
Package Length8.75
Weight13.1 PG
Part CategoryPerformance Parts
Case ColorNatural
Pulley IncludedYes
Pulley Belt TypeV-Belt
Amperage140-AMP
Fan TypeExternal
Part FitmentSemi Universal
Case MaterialAluminum
Regulator TypeInternal
Pulley Groove Quantity1
FinishNatural
Grade TypeOEM Performance
Vendor Part Number51203NG
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
