Chevy Alternators

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-20%

Powermaster |

#25537860

Powermaster 37860 Street Alternator, 140A, Serpentine, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$243.99

/each

$307.50

-19%

Powermaster |

#25547860

Powermaster 47860 Street Alternator, 140A, Serpentine, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$200.99

/each

$248.75

-20%

Powermaster |

#25557860

Powermaster 57860 Street Alternator, 140A, Serpentine, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Powder Coated

$221.99

/each

$277.50

-20%

Powermaster |

#255478608

Powermaster 478608 XS Volt Alternator, 140 Amps, Serpentine, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$221.99

/each

$277.50

-20%

Powermaster |

#255578608

Powermaster 578608 XS Volt Alternator, 140 Amps, Serpentine, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Powder Coated

$243.99

/each

$307.50

Alternator Bracket Install on a 454 Big Block Chevy

Kevin W. walks through each step of installing a new alternator bracket on a 454 Big Block Chevy.

Transmission Replacement on a 55 Chevy

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.

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.

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.

Chevy Small Block - Short vs Long Water Pump

Small block and big block Chevy engines were designed with two styles of water pumps, short and long. Before you purchase a new pump, it's important to determine which oneyou have.

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?

LS Swap Chevelle Guide

Learn about performing an LS Swap in a 1972 Chevelle in this tech article. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0.

Engine Cleaning and Refinishing - 54 Chevy Restoration

Follow along as our Expert details his restoration methods for making an engine in an old 1954 Chevy look new again with a little cleaning and refinishing.

Water Pump Options for the Chevy Crate Engine

In this Tech Tip, a customer asked for some recommendations on water pumps for his 1934 Chevy Coupe build.

$139 Off

Tuff Stuff |

#7458219NA

Tuff Stuff 8219NA GM Truck Alternator, 170 Amp, 1-Wire, Chrome

One Wire Alternator:

Alternator Amperage:

170 amp

Alternator Finish:

Chrome

$352.99

/each

$492.12

-7%

Tuff Stuff |

#7458219NK

Tuff Stuff 8219NK GM Truck Alternator, 250 Amp, 1-Wire, Cast

One Wire Alternator:

Yes

Alternator Amperage:

250 amp

Alternator Finish:

Natural

$434.99

/each

$472.10

-8%

Tuff Stuff |

#7458219NB

Tuff Stuff 8219NB GM Truck Alternator, 170 Amp, 1-Wire, Black

One Wire Alternator:

Alternator Amperage:

170 amp

Alternator Finish:

Powder Coated

$441.99

/each

$481.87

-9%

Tuff Stuff |

#7458219NEP

Tuff Stuff 8219NEP GM Truck Alternator, 250 Amp, 1-Wire, Polished

One Wire Alternator:

Alternator Amperage:

250 amp

Alternator Finish:

Polished

$455.99

/each

$501.26

-10%

Tuff Stuff |

#7458219NE

Tuff Stuff 8219NE GM Truck Alternator, 250 Amp, 1-Wire, Chrome

One Wire Alternator:

Alternator Amperage:

250 amp

Alternator Finish:

Chrome

$497.99

/each

$556.48

Tuff Stuff |

#7457139FU6

Tuff Stuff 7139FBULL6 GM Silver Bullet 100 Amp Alternator, Black

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Powder Coated

$246.99

/each

Tuff Stuff |

#7457127NKB6

Tuff Stuff 7127NKB6 GM Alternator, 140 Amp, 1-Wire, Black

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Powder Coated

$246.99

/each

Tuff Stuff |

#7457139AU6

Tuff Stuff 7139ABULL6 GM Silver Bullet 100 Amp Alternator, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$278.99

/each

Tuff Stuff |

#7457140AU6

Tuff Stuff 7140ABULL6 GM Silver Bullet 140 Amp Alternator, Chr

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$335.99

/each

Tuff Stuff |

#7457127K6

Tuff Stuff 7127K6 GM Alternator, 140 Amp, 1-Wire, Factory Cast

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$230.99

/each

Tuff Stuff |

#7457140FU6

Tuff Stuff 7140FBULL6 GM Silver Bullet 140 Amp Alternator, Black

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Powder Coated

$282.99

/each

Tuff Stuff |

#7457127D6

Tuff Stuff 7127D6 GM Alternator, 100 Amp, 1-Wire, Factory Cast

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Natural

$194.99

/each

-21%

Powermaster |

#255374021

Powermaster 374021 Street Alternator, 140 Amps, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$264.99

/each

$337.50

-20%

Powermaster |

#25547402

Powermaster 47402 Street Alternator, 140A, Serpentine, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$221.99

/each

$277.50

-21%

Powermaster |

#255674021

Powermaster 674021 Street Alternator, 140 Amps, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Polished

$264.99

/each

$337.50

-20%

Powermaster |

#255474021

Powermaster 474021 Street Alternator, 140 Amps, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$221.99

/each

$277.50

-24%

Powermaster |

#255574021

Powermaster 574021 Street Alternator, 140 Amps, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Powder Coated

$230.99

/each

$307.50

-23%

Powermaster |

#2558012

Powermaster 8012 Race Alternator, 105 Amps, Serpentine, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Natural

$204.99

/each

$268.75

-24%

Powermaster |

#2558018

Powermaster 8018 XS Volt Alternator, 105 Amps, Serpentine, GM

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Natural

$224.99

/each

$297.50

-21%

Powermaster |

#25567402

Powermaster 67402 Street Alternator, 140A, Serpentine, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Polished

$264.99

/each

$337.50

-20%

Powermaster |

#25557402

Powermaster 57402 Street Alternator, 140A, Serpentine, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Powder Coated

$243.99

/each

$307.50

-23%

Powermaster |

#255378028362

Powermaster 378028-362 XS Volt Alternator, 140 Amps, V-belt

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$280.99

/each

$367.50

-18%

Powermaster |

#25537402

Powermaster 37402 Street Alternator, 140A, Serpentine, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$274.99

/each

$337.50

-12%

Tuff Stuff |

#7458292D

Tuff Stuff 8292D GM 6 Groove Alternator, 230 Amp, Chrome

One Wire Alternator:

Alternator Amperage:

230 amp

Alternator Finish:

Chrome

$564.99

/each

$645.92

-10%

Tuff Stuff |

#7458292C

Tuff Stuff 8292C GM 6 Groove Alternator, 230 Amp, Factory Cast

One Wire Alternator:

Alternator Amperage:

230 amp

Alternator Finish:

Natural

$499.99

/each

$559.81

-5%

Tuff Stuff |

#7458292A

Tuff Stuff 8292A GM 6 Groove Alternator, 180 Amp, Chrome

One Wire Alternator:

Alternator Amperage:

180 amp

Alternator Finish:

Chrome

$530.99

/each

$559.80

-10%

Tuff Stuff |

#7458292AP

Tuff Stuff 8292AP GM 6 Groove Alternator, 180 Amp, Polished

One Wire Alternator:

Alternator Amperage:

180 amp

Alternator Finish:

Polished

$499.99

/each

$559.81

-8%

Tuff Stuff |

#7458292B

Tuff Stuff 8292B GM 6 Groove Alternator, 180 Amp, Factory Cast

One Wire Alternator:

Alternator Amperage:

180 amp

Alternator Finish:

Natural

$448.99

/each

$491.18

-12%

Tuff Stuff |

#7458292DP

Tuff Stuff 8292DP GM 6 Groove Alternator, 230 Amp, Polished

One Wire Alternator:

Alternator Amperage:

230 amp

Alternator Finish:

Polished

$564.99

/each

$645.92

Tuff Stuff |

#7457139BU6G12

Tuff Stuff 7139BBUL6G12 GM Silver Bullet 100 Amp Alternator, Pol

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$255.99

/each

Tuff Stuff |

#7457140AU6G12

Tuff Stuff 7140ABUL6G12 GM Silver Bullet 140 Amp Alternator, Chr

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$337.99

/each

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Chevy Alternators

Model

One Wire Alternator

Brand

Application

Department

Availability

Discounts

Engine Family

Price

Customer Rating

Products

Powermaster 37860 Street Alternator, 140A, Serpentine, 12V, GM

Powermaster 47860 Street Alternator, 140A, Serpentine, 12V, GM

Powermaster 57860 Street Alternator, 140A, Serpentine, 12V, GM

Powermaster 478608 XS Volt Alternator, 140 Amps, Serpentine, GM

Powermaster 578608 XS Volt Alternator, 140 Amps, Serpentine, GM

Related Articles

Tuff Stuff 8219NA GM Truck Alternator, 170 Amp, 1-Wire, Chrome

Tuff Stuff 8219NK GM Truck Alternator, 250 Amp, 1-Wire, Cast

Tuff Stuff 8219NB GM Truck Alternator, 170 Amp, 1-Wire, Black

Tuff Stuff 8219NEP GM Truck Alternator, 250 Amp, 1-Wire, Polished

Tuff Stuff 8219NE GM Truck Alternator, 250 Amp, 1-Wire, Chrome

Tuff Stuff 7139FBULL6 GM Silver Bullet 100 Amp Alternator, Black

Tuff Stuff 7127NKB6 GM Alternator, 140 Amp, 1-Wire, Black

Tuff Stuff 7139ABULL6 GM Silver Bullet 100 Amp Alternator, Chrome

Tuff Stuff 7140ABULL6 GM Silver Bullet 140 Amp Alternator, Chr

Tuff Stuff 7127K6 GM Alternator, 140 Amp, 1-Wire, Factory Cast

Tuff Stuff 7140FBULL6 GM Silver Bullet 140 Amp Alternator, Black

Tuff Stuff 7127D6 GM Alternator, 100 Amp, 1-Wire, Factory Cast

Powermaster 374021 Street Alternator, 140 Amps, V-belt, 12V, GM

Powermaster 47402 Street Alternator, 140A, Serpentine, 12V, GM

Powermaster 674021 Street Alternator, 140 Amps, V-belt, 12V, GM

Powermaster 474021 Street Alternator, 140 Amps, V-belt, 12V, GM

Powermaster 574021 Street Alternator, 140 Amps, V-belt, 12V, GM

Powermaster 8012 Race Alternator, 105 Amps, Serpentine, 12V, GM

Powermaster 8018 XS Volt Alternator, 105 Amps, Serpentine, GM

Powermaster 67402 Street Alternator, 140A, Serpentine, 12V, GM

Powermaster 57402 Street Alternator, 140A, Serpentine, 12V, GM

Powermaster 378028-362 XS Volt Alternator, 140 Amps, V-belt

Powermaster 37402 Street Alternator, 140A, Serpentine, 12V, GM

Tuff Stuff 8292D GM 6 Groove Alternator, 230 Amp, Chrome

Tuff Stuff 8292C GM 6 Groove Alternator, 230 Amp, Factory Cast

Tuff Stuff 8292A GM 6 Groove Alternator, 180 Amp, Chrome

Tuff Stuff 8292AP GM 6 Groove Alternator, 180 Amp, Polished

Tuff Stuff 8292B GM 6 Groove Alternator, 180 Amp, Factory Cast

Tuff Stuff 8292DP GM 6 Groove Alternator, 230 Amp, Polished

Tuff Stuff 7139BBUL6G12 GM Silver Bullet 100 Amp Alternator, Pol

Tuff Stuff 7140ABUL6G12 GM Silver Bullet 140 Amp Alternator, Chr

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