Cadillac Alternators

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-18%

Powermaster |

#25537297

Powermaster 37297 Alternator, 140 Amp

(1)

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$240.99

/each

$295.00

-26%

Powermaster |

#25557297

Powermaster 57297 GM 12SI 150 Amp Smooth Look Alternator, Black

(12)

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Powder Coated

$208.99

/each

$282.50

-17%

Powermaster |

#25517297

Powermaster 17297 Smooth Look Alternators, 100 AMP

(2)

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$198.99

/each

$242.50

-18%

Powermaster |

#25527294364

Powermaster 27294-364 Street Alternator, 100 Amps, Serp, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$193.99

/each

$238.75

-22%

Powermaster |

#25527294114

Powermaster 27294-114 Street Alternator, 100 Amps, Serp, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$174.99

/each

$225.00

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.

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.

Ford Alternator Buying Guide

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

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.

Gen 4 LS Engines - Junkyard LS Swap Identification Guide: Part 2

Learn how to identfy motors for your LS Swap. In this guide we cover generation 4 small block engines and some of the cheaper options for more power.

Upgrade Your Ride with a Mini Starter!

Little is thought of your engine’s starter until it refuses to turn your engine over at the worst possible moment. Today’s powerful mini starters can crank the biggest engines with ease. Learn how in our buyer’s guide.

Engines That Fit My Car: Dimensions for Common Engine Swaps

Knowing popular engine dimensions and weights are critical to a successful engine swap in your project vehicle

-27%

Powermaster |

#25517294

Powermaster 17294 GM 12SI 100 Amp Alternator, Chrome

(32)

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome plated

$162.99

/each

$225.00

-29%

Powermaster |

#25527294

Powermaster 27294 GM 12SI 100 Amp Alternator, Polished

(15)

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$157.99

/each

$225.00

-20%

Powermaster |

#25567297344

Powermaster 67297-344 Smooth Look Alternator, 150A, V-belt, GM

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Polished

$243.99

/each

$308.75

-23%

Powermaster |

#25557295

Powermaster 57295 Smooth Look Alternator, 150A, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Powder Coated

$227.99

/each

$296.25

-21%

Powermaster |

#25537294311

Powermaster 37294-311 Street Alternator, 150 Amps, Serp, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Chrome

$265.99

/each

$338.75

-18%

Powermaster |

#2558005

Powermaster 8005 Race Alternator, 80 Amps, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

80 amp

Alternator Finish:

Powder Coated

$184.99

/each

$226.25

-24%

Powermaster |

#25567297

Powermaster 67297 Smooth Look Alternator, 150A, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Polished

$222.99

/each

$295.00

-19%

Powermaster |

#25527297

Powermaster 27297 Smooth Look Alternator, 100A, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$195.99

/each

$242.50

-22%

Powermaster |

#2557294

Powermaster 7294 GM 12SI 100 Amp Alternator, Natural

(21)

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Natural

$152.99

/each

$197.50

-34%

Tuff Stuff |

#7457127NK12

Tuff Stuff 7127NK12 GM Alternator, 140 Amp, 1-Wire, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$170.99

/each

$262.83

-25%

Powermaster |

#2558002

Powermaster 8002 12SI GM Alternator, 100 Amp

(8)

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Natural

$146.99

/each

$197.50

King Chrome GM One Wire Alternator, 100 Amp

Speedway Motors |

#91067101

King Chrome GM One Wire Alternator, 100 Amp

(18)

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome plated

$135.99

/each

$104 Off

Powermaster |

#25558414

Powermaster 58414 GM AD230 Alternator, 165A, 6-Groove, Black

One Wire Alternator:

Yes

Alternator Amperage:

165 amp

Alternator Finish:

Powder Coated

$311.99

/each

$416.25

-28%

Powermaster |

#25557294

Powermaster 57294 GM 12SI 150 Amp Alternator, Black

(4)

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Powder Coated

$188.99

/each

$263.75

$102 Off

Powermaster |

#25537294

Powermaster 37294 12SI GM Alternator, 150 Amp, Chrome

(1)

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Chrome

$226.99

/each

$328.75

$151 Off

Powermaster |

#91068125

Powermaster 8-721 SB Chevy 100 Amp Mini Alternatorw/ V-Belt Kit

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Powder Coated

$404.99

/each

$556.25

-27%

Tuff Stuff Silver Bullet One Wire Alternators - 100 Amp GM V-Belt Pulley

Tuff Stuff |

#9107139

Tuff Stuff Silver Bullet One Wire Alternators - 100 Amp GM V-Belt Pulley

(33)

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Pulley Style:

V-belt

as low as

$179.99

/each

$246.80

Chrome GM 1-Wire Alternator, 60 Amp, Internally Regulated

Speedway Motors |

#91067154

Chrome GM 1-Wire Alternator, 60 Amp, Internally Regulated

(31)

One Wire Alternator:

Yes

Alternator Amperage:

60 amp

Alternator Finish:

Chrome plated

$144.99

/each

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Cadillac Alternators

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Products

Powermaster 37297 Alternator, 140 Amp

Powermaster 57297 GM 12SI 150 Amp Smooth Look Alternator, Black

Powermaster 17297 Smooth Look Alternators, 100 AMP

Powermaster 27294-364 Street Alternator, 100 Amps, Serp, 12V, GM

Powermaster 27294-114 Street Alternator, 100 Amps, Serp, 12V, GM

Related Articles

Powermaster 17294 GM 12SI 100 Amp Alternator, Chrome

Powermaster 27294 GM 12SI 100 Amp Alternator, Polished

Powermaster 67297-344 Smooth Look Alternator, 150A, V-belt, GM

Powermaster 57295 Smooth Look Alternator, 150A, V-belt, 12V, GM

Powermaster 37294-311 Street Alternator, 150 Amps, Serp, 12V, GM

Powermaster 8005 Race Alternator, 80 Amps, V-belt, 12V, GM

Powermaster 67297 Smooth Look Alternator, 150A, V-belt, 12V, GM

Powermaster 27297 Smooth Look Alternator, 100A, V-belt, 12V, GM

Powermaster 7294 GM 12SI 100 Amp Alternator, Natural

Tuff Stuff 7127NK12 GM Alternator, 140 Amp, 1-Wire, Chrome

Powermaster 8002 12SI GM Alternator, 100 Amp

King Chrome GM One Wire Alternator, 100 Amp

Powermaster 58414 GM AD230 Alternator, 165A, 6-Groove, Black

Powermaster 57294 GM 12SI 150 Amp Alternator, Black

Powermaster 37294 12SI GM Alternator, 150 Amp, Chrome

Powermaster 8-721 SB Chevy 100 Amp Mini Alternatorw/ V-Belt Kit

Tuff Stuff Silver Bullet One Wire Alternators - 100 Amp GM V-Belt Pulley

Chrome GM 1-Wire Alternator, 60 Amp, Internally Regulated

Popular Parts and Makes

Models: