Pontiac Alternators

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Powermaster |

#255678021362

Powermaster 678021-362 Street Alternator, 140 Amps, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Polished

$264.99

/each

$337.50

-20%

Powermaster |

#25538114

Powermaster 38114 Street Alternator, 140A, Serpentine, 12V, Chevy

One Wire Alternator:

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$243.99

/each

$307.50

-20%

Powermaster |

#25558114

Powermaster 58114 Alternator, 140 Amp

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Satin

$221.99

/each

$277.50

-17%

Powermaster |

#2558114

Powermaster 8114 Alternator, 105 AMP

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Natural

$183.99

/each

$223.75

-18%

Powermaster |

#25548114

Powermaster 48114 Street Alternator, 140A, Serpentine, 12V, Chevy

One Wire Alternator:

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$202.99

/each

$248.75

Ammeter vs Voltmeter: How They Work, and Which One Is Right for Your Car

Ammeters and voltmeters are two very different ways of monitoring your vehicle’s charging system. Both are better than an “idiot light” but which one is right for your build?

GM Alternator Identification

Learn about GM alternator identification in our guide. We cover GM 3 wire alternators, 1 wire alternators, and externally regulated so you know what to choose.

Why Convert to A One Wire Alternator

Learn how to hook up a 1-wire alternator on your vehicle. 1-wire alternators are perfect for engine swaps or just keeping things simple for your project.

Alternator vs Generator Pros & Cons | Conversion Tips for Your Car

If you're considering upgrading your classic car's charging system with an generator to alternator conversion, here are some helpful tips.

Ford Alternator Buying Guide

Brief review of the different types of Ford alternators and regulators available through Speedway Motors.

How to Choose the Best Radiator for LS Swaps on a Budget

The radiator is an important, but often expensive part of that LS Swap. Here are some options to pick the best radiator for your LS swap on a budget.

Exhaust Manifolds VS Headers | How Much HP Do Headers Add

Headers and manifolds differ in design and function. Long tube headers, shorty headers, and exhaust manifolds each have their pros and cons regarding performance and application.

Tuff Stuff |

#7458242ND

Tuff Stuff 8242ND LS1 GM Alternator, 175 Amp, 1-Wire, Cast

One Wire Alternator:

Yes

Alternator Amperage:

175 amp

Alternator Finish:

Natural

$320.99

/each

$203 Off

Tuff Stuff |

#UP227481

Tuff Stuff 8242NAP LS1 GM Alternator, 125 Amp, 1-Wire, Aluminum

Garage Sale Type:

Open Box

One Wire Alternator:

Yes

Alternator Amperage:

125 amp

$132.52

/each

$335.74

-28%

Tuff Stuff |

#7458242NAP

Tuff Stuff 8242NAP LS1 GM Alternator, 125 Amp, 1-Wire, Aluminum

One Wire Alternator:

Yes

Alternator Amperage:

125 amp

Alternator Finish:

Polished

$226.99

/each

$316.52

$113 Off

Tuff Stuff |

#7458242NB

Tuff Stuff 8242NB LS1 GM Alternator, 175 Amp, 1-Wire, Black

One Wire Alternator:

Yes

Alternator Amperage:

175 amp

Alternator Finish:

Powder Coated

$233.99

/each

$346.65

Tuff Stuff |

#7458242NCP

Tuff Stuff 8242NCP LS1 GM Alternator, 175 Amp, 1-Wire, Polished

One Wire Alternator:

Yes

Alternator Amperage:

175 amp

Alternator Finish:

Polished

$339.99

/each

Tuff Stuff |

#7458242NC

Tuff Stuff 8242NC LS1 GM Alternator, 175 Amp, 1-Wire, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

175 amp

Alternator Finish:

Chrome

$339.99

/each

-23%

Powermaster |

#25548242

Powermaster 48242 Alternator, 165 Amp

One Wire Alternator:

Yes

Alternator Amperage:

165 amp

Alternator Finish:

Natural

$251.99

/each

$327.50

-21%

Powermaster |

#25538242

Powermaster 38242 Street Alternator, 165A, Serpentine, 12V, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

165 amp

Alternator Finish:

Chrome

$290.99

/each

$372.50

-25%

GM CS130D Style High Output 180 Amp All Black Alternator

Speedway Motors |

#UP231752

GM CS130D Style High Output 180 Amp All Black Alternator

Garage Sale Type:

Blemished

One Wire Alternator:

Alternator Amperage:

180 amp

$171.69

/each

$231.99

-18%

Powermaster |

#25558242

Powermaster 58242 Street Alternator, 165A, Serpentine, 12V, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

165 amp

Alternator Finish:

Powder Coated

$290.99

/each

$357.50

-25%

Speedway Motors |

#UP231935

GM CS130D Style High Output 180 Amp All Black Alternator

Garage Sale Type:

Blemished

One Wire Alternator:

Alternator Amperage:

180 amp

$171.69

/each

$231.99

-20%

Powermaster |

#25528242

Powermaster 28242 Street Alternator, 120A, Serpentine, 12V, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

120 amp

Alternator Finish:

Polished

$243.99

/each

$307.50

-21%

Powermaster |

#25568242

Powermaster 68242 Street Alternator, 165A, Serpentine, 12V, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

165 amp

Alternator Finish:

Polished

$290.99

/each

$372.50

-20%

Powermaster |

#25518242

Powermaster 18242 Street Alternator, 120A, Serpentine, 12V, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

120 amp

Alternator Finish:

Chrome

$243.99

/each

$307.50

Speedway Motors |

#2891025

GM CS130D Style High Output 180 Amp All Black Alternator

(4)

One Wire Alternator:

Alternator Amperage:

180 amp

Alternator Finish:

Powder Coated

$231.99

/each

-20%

Powermaster |

#25548243

Powermaster 48243 Alternator, 165 Amp

One Wire Alternator:

Alternator Amperage:

165 amp

Alternator Finish:

Natural

$253.99

/each

$321.25

-19%

Powermaster |

#25582081

Powermaster 82081 Street Alternator, 115A, Serpentine, 12V, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

115 amp

Alternator Finish:

Natural

$204.99

/each

$253.75

-20%

Powermaster |

#255482081

Powermaster 482081 GM CS130D Alternator, 165A, 6-Groove, Natural

One Wire Alternator:

Yes

Alternator Amperage:

165 amp

Alternator Finish:

Natural

$247.99

/each

$313.75

-20%

Powermaster |

#255382081

Powermaster 382081 GM CS130D Alternator, 165A, 6-Groove, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

165 amp

Alternator Finish:

Chrome

$293.99

/each

$367.50

-20%

Powermaster |

#25528207

Powermaster 28207 Street Alternator, 120A, Serpentine, 12V, Chevy

One Wire Alternator:

Alternator Amperage:

120 amp

Alternator Finish:

Polished

$232.99

/each

$292.50

-21%

Powermaster |

#255682081

Powermaster 682081 GM CS130D Alternator, 165A, 6-Groove, Polished

One Wire Alternator:

Yes

Alternator Amperage:

165 amp

Alternator Finish:

Polished

$286.99

/each

$367.50

-20%

Powermaster |

#255182081

Powermaster 182081 Street Alternator, 115A, Serpentine, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

115 amp

Alternator Finish:

Chrome

$243.99

/each

$307.50

-20%

Powermaster |

#255282071

Powermaster 282071 Street Alternator, 120A, Serpentine, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

120 amp

Alternator Finish:

Polished

$243.99

/each

$307.50

-20%

Powermaster |

#255282081

Powermaster 282081 Street Alternator, 115A, Serpentine, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

115 amp

Alternator Finish:

Polished

$243.99

/each

$307.50

-21%

Powermaster |

#255582081

Powermaster 582081 GM CS130D Alternator, 165A, 6-Groove, Black

One Wire Alternator:

Yes

Alternator Amperage:

165 amp

Alternator Finish:

Powder Coated

$268.99

/each

$342.50

-25%

Powermaster |

#25548287

Powermaster 48287 Street Alternator, 165A, Serpentine, 12V, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

165 amp

Alternator Finish:

Natural

$266.99

/each

$357.50

-19%

Powermaster |

#2558243

Powermaster 8243 GM CS130D Alternator, 120A, 6-Groove, OE Look

One Wire Alternator:

Alternator Amperage:

120 amp

Alternator Finish:

Natural

$209.99

/each

$261.25

-18%

Powermaster |

#25558287

Powermaster 58287 Street Alternator, 165A, Serpentine, 12V, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

165 amp

Alternator Finish:

Powder Coated

$314.99

/each

$387.50

-20%

Powermaster |

#2558287

Powermaster 8287 Street Alternator, 120A, Serpentine, 12V, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

120 amp

Alternator Finish:

Natural

$247.99

/each

$313.75

-20%

Powermaster |

#255278021362

Powermaster 278021-362 Street Alternator, 105 Amps, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Polished

$243.99

/each

$307.50

-20%

Powermaster |

#255178021362

Powermaster 178021-362 Street Alternator, 105 Amps, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Chrome

$243.99

/each

$307.50

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Pontiac Alternators

Model

One Wire Alternator

Brand

Application

Department

Availability

Discounts

Engine Family

Price

Customer Rating

Products

Powermaster 678021-362 Street Alternator, 140 Amps, V-belt, 12V

Powermaster 38114 Street Alternator, 140A, Serpentine, 12V, Chevy

Powermaster 58114 Alternator, 140 Amp

Powermaster 8114 Alternator, 105 AMP

Powermaster 48114 Street Alternator, 140A, Serpentine, 12V, Chevy

Related Articles

Tuff Stuff 8242ND LS1 GM Alternator, 175 Amp, 1-Wire, Cast

Tuff Stuff 8242NAP LS1 GM Alternator, 125 Amp, 1-Wire, Aluminum

Tuff Stuff 8242NAP LS1 GM Alternator, 125 Amp, 1-Wire, Aluminum

Tuff Stuff 8242NB LS1 GM Alternator, 175 Amp, 1-Wire, Black

Tuff Stuff 8242NCP LS1 GM Alternator, 175 Amp, 1-Wire, Polished

Tuff Stuff 8242NC LS1 GM Alternator, 175 Amp, 1-Wire, Chrome

Powermaster 48242 Alternator, 165 Amp

Powermaster 38242 Street Alternator, 165A, Serpentine, 12V, Chevy

GM CS130D Style High Output 180 Amp All Black Alternator

Powermaster 58242 Street Alternator, 165A, Serpentine, 12V, Chevy

GM CS130D Style High Output 180 Amp All Black Alternator

Powermaster 28242 Street Alternator, 120A, Serpentine, 12V, Chevy

Powermaster 68242 Street Alternator, 165A, Serpentine, 12V, Chevy

Powermaster 18242 Street Alternator, 120A, Serpentine, 12V, Chevy

GM CS130D Style High Output 180 Amp All Black Alternator

Powermaster 48243 Alternator, 165 Amp

Powermaster 82081 Street Alternator, 115A, Serpentine, 12V, Chevy

Powermaster 482081 GM CS130D Alternator, 165A, 6-Groove, Natural

Powermaster 382081 GM CS130D Alternator, 165A, 6-Groove, Chrome

Powermaster 28207 Street Alternator, 120A, Serpentine, 12V, Chevy

Powermaster 682081 GM CS130D Alternator, 165A, 6-Groove, Polished

Powermaster 182081 Street Alternator, 115A, Serpentine, Chevy

Powermaster 282071 Street Alternator, 120A, Serpentine, Chevy

Powermaster 282081 Street Alternator, 115A, Serpentine, Chevy

Powermaster 582081 GM CS130D Alternator, 165A, 6-Groove, Black

Powermaster 48287 Street Alternator, 165A, Serpentine, 12V, Chevy

Powermaster 8243 GM CS130D Alternator, 120A, 6-Groove, OE Look

Powermaster 58287 Street Alternator, 165A, Serpentine, 12V, Chevy

Powermaster 8287 Street Alternator, 120A, Serpentine, 12V, Chevy

Powermaster 278021-362 Street Alternator, 105 Amps, V-belt, 12V

Powermaster 178021-362 Street Alternator, 105 Amps, V-belt, 12V

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