Chevy K30 Alternators

Get an exact fit for your

Chevy K30

Year

Choose Year

Year

Make

Choose Make

Make

Model

Choose Model

Model

Select One Wire Alternator

All

348

Yes

321

348 products

Sort By:

Clear All

Fitment

Chevy K30

Products

-22%

Tuff Stuff |

#7457139BU6G12

Tuff Stuff 7139BBUL6G12 Alternator, 100 AMP, OEM Or 1 Wire

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$197.99

/each

$255.79

-22%

Tuff Stuff |

#7457140AU6G12

Tuff Stuff 7140ABUL6G12 Alternator, 140 AMP, OEM Or 1 Wire

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$265.99

/each

$343.92

-34%

Tuff Stuff |

#7457127ND6G12

Tuff Stuff 7127ND6G12 Alternator, 100 AMP, OEM Or 1 Wire, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$151.99

/each

$233.62

-22%

Tuff Stuff |

#7457139AU6G12

Tuff Stuff 7139ABUL6G12 Alternator, 100 AMP, OEM Or 1 Wire

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$216.99

/each

$278.84

-12%

Tuff Stuff |

#7457127NKP6G12

Tuff Stuff 7127NKP6G12 Alternator, 140 AMP, OEM Or 1 Wire

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Polished

$215.99

/each

$246.80

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.

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.

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.

How To Set Up Multiple Carburetors on a Vintage Engine

There's a right and wrong way to run a two-barrel carburetor on your vintage engine. Check out this guide about how to select the correct carburetor for your Flathead or vintage engine.

-22%

Tuff Stuff |

#7457127NKB6G12

Tuff Stuff 7127NKB6G12 Alternator, 140 AMP, OEM Or 1 Wire

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Black powdercoated

$190.99

/each

$246.80

-31%

Tuff Stuff |

#7457127NK6G12

Tuff Stuff 7127NK6G12 Alternator, 140 AMP, OEM Or 1 Wire, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$180.99

/each

$262.83

-31%

Tuff Stuff |

#7457127NF6G12

Tuff Stuff 7127NF6G12 Alternator, 100 AMP, OEM Or 1 Wire

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Black powdercoated

$169.99

/each

$246.80

$171 Off

Powermaster |

#255578068SPL

Powermaster 578068SPL GM CS144 Black Wrinkle 300A 12V Alternator

One Wire Alternator:

Alternator Amperage:

300 amp

Alternator Finish:

Powder Coated

$529.99

/each

$701.25

-31%

Tuff Stuff |

#7457127K6G12

Tuff Stuff 7127K6G12 Alternator, 140 AMP, OEM Or 1 Wire

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$158.99

/each

$230.78

-31%

Tuff Stuff |

#7457127K9

Tuff Stuff 7127K9 Alternator, 140 AMP, OEM Or 1 Wire, 9 Clocking

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$158.99

/each

$230.78

-18%

Powermaster |

#2558192

Powermaster 8192 Race Alternator, 75 Amps, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

75 amp

Alternator Finish:

Natural

$244.99

/each

$300.00

-7%

Holley |

#425197303

Holley 197-303 Premium Alternator, 150A, Black

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Powder Coated

$549.95

/each

$592.95

-19%

Powermaster |

#25517297344

Powermaster 17297-344 Smooth Look Alternator, 100 Amp, 12si

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$206.99

/each

$257.50

-22%

Powermaster |

#25528162

Powermaster 28162 Race Alternator, 50 Amps, 12V

One Wire Alternator:

Yes

Alternator Amperage:

50 amp

Alternator Finish:

Polished

$334.99

/each

$433.75

-21%

Powermaster |

#255384831

Powermaster 384831 GM CS130D Alternator, 165A, 6-Groove, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

165 amp

Alternator Finish:

Chrome

$290.99

/each

$372.50

Proform |

#586141147

Proform 141-147 Slant-Edge Alternator, GM 10SI, 100 Amp, Black

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$269.95

/each

-6%

Holley |

#425197304

Holley 197-304 Premium Alternator, 150A, Polished

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Polished

$699.95

/each

$749.95

-20%

Powermaster |

#2557462104

Powermaster 7462-104 Race Alternator, 90A, 12V 1 Wire Regulator

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Natural

$255.99

/each

$322.50

-22%

Powermaster |

#2558182

Powermaster 8182 Race Alternator, 75 Amps, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

75 amp

Alternator Finish:

Powder Coated

$303.99

/each

$392.50

-27%

Powermaster |

#91068128

Powermaster 8162 50 Amp Mini Racing Alternator

(3)

One Wire Alternator:

Yes

Alternator Amperage:

50 amp

Alternator Finish:

Powder Coated

$248.99

/each

$343.75

-22%

Tuff Stuff |

#7457068BU6G

Tuff Stuff 7068BBULL6G Alternator, 100 AMP, Smooth Back, 1 Wire

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$195.99

/each

$252.95

$170 Off

Powermaster |

#2551820912

Powermaster 182091-2 PowerGEN Alternator, 90 Amp, Universal

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Chrome

$524.99

/each

$695.00

-18%

Powermaster |

#25528462114

Powermaster 28462-114 Race Alternator, 90A, 12V 1 Wire Regulator

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Polished

$330.99

/each

$407.50

-22%

Powermaster |

#25528462

Powermaster 28462 Race Alternator, 90 Amp, 12V 1 Wire Regulator

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Polished

$315.99

/each

$407.50

-20%

Powermaster |

#25528468114

Powermaster 28468-114 Race Alternator, 90A, XS Volt 1 Wire Reg

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Polished

$358.99

/each

$448.75

-22%

Powermaster |

#25528472114

Powermaster 28472-114 Race Alternator, 100A, 12V 1 Wire Regulator

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$315.99

/each

$407.50

-20%

Powermaster |

#2558016

Powermaster 8016 Race Alternator, 105 Amps, Serpentine, 16V

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Natural

$224.99

/each

$282.50

-22%

Powermaster |

#2558116

Powermaster 8116 Race Alternator, 100 Amps, 16V

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Natural

$312.99

/each

$403.75

$102 Off

Powermaster |

#25548163

Powermaster 48163 Alternator, 200 Amp

One Wire Alternator:

Yes

Alternator Amperage:

200 amp

Alternator Finish:

Natural

$343.99

/each

$446.25

$103 Off

Powermaster |

#25528166

Powermaster 28166 Race Alternator, 55 Amps, V-belt, 16V

One Wire Alternator:

Yes

Alternator Amperage:

55 amp

Alternator Finish:

Polished

$345.99

/each

$448.75

-25%

Powermaster |

#2558066

Powermaster 8066 Race Alternator, 100 Amps, 16V

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Powder Coated

$250.99

/each

$336.25

$132 Off

Powermaster |

#2558128

Powermaster 8128 Race Alternator, 115 Amps, 12V

One Wire Alternator:

Yes

Alternator Amperage:

115 amp

Alternator Finish:

Powder Coated

$382.99

/each

$515.00

-19%

Powermaster |

#2558126

Powermaster 8126 Race Alternator, 115 Amps, 16V

One Wire Alternator:

Yes

Alternator Amperage:

115 amp

Alternator Finish:

Powder Coated

$402.99

/each

$500.00

$137 Off

Powermaster |

#2558148

Powermaster 8148 XS Volt Alternator, 150 Amps, Internal

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Powder Coated

$418.99

/each

$556.25

-22%

Powermaster |

#2558176

Powermaster 8176 Race Alternator, 55 Amps, V-belt, 16V

One Wire Alternator:

Yes

Alternator Amperage:

55 amp

Alternator Finish:

Natural

$218.99

/each

$282.50

Showing 1 - 36 of 348 results

Shop Feedback:

Did you find what you are looking for?

Chevy K30 Alternators

Year

One Wire Alternator

Brand

Availability

Discounts

Engine Family

Price

Customer Rating

Products

Tuff Stuff 7139BBUL6G12 Alternator, 100 AMP, OEM Or 1 Wire

Tuff Stuff 7140ABUL6G12 Alternator, 140 AMP, OEM Or 1 Wire

Tuff Stuff 7127ND6G12 Alternator, 100 AMP, OEM Or 1 Wire, Chrome

Tuff Stuff 7139ABUL6G12 Alternator, 100 AMP, OEM Or 1 Wire

Tuff Stuff 7127NKP6G12 Alternator, 140 AMP, OEM Or 1 Wire

Related Articles

Tuff Stuff 7127NKB6G12 Alternator, 140 AMP, OEM Or 1 Wire

Tuff Stuff 7127NK6G12 Alternator, 140 AMP, OEM Or 1 Wire, Chrome

Tuff Stuff 7127NF6G12 Alternator, 100 AMP, OEM Or 1 Wire

Powermaster 578068SPL GM CS144 Black Wrinkle 300A 12V Alternator

Tuff Stuff 7127K6G12 Alternator, 140 AMP, OEM Or 1 Wire

Tuff Stuff 7127K9 Alternator, 140 AMP, OEM Or 1 Wire, 9 Clocking

Powermaster 8192 Race Alternator, 75 Amps, V-belt, 12V

Holley 197-303 Premium Alternator, 150A, Black

Powermaster 17297-344 Smooth Look Alternator, 100 Amp, 12si

Powermaster 28162 Race Alternator, 50 Amps, 12V

Powermaster 384831 GM CS130D Alternator, 165A, 6-Groove, Chrome

Proform 141-147 Slant-Edge Alternator, GM 10SI, 100 Amp, Black

Holley 197-304 Premium Alternator, 150A, Polished

Powermaster 7462-104 Race Alternator, 90A, 12V 1 Wire Regulator

Powermaster 8182 Race Alternator, 75 Amps, V-belt, 12V

Powermaster 8162 50 Amp Mini Racing Alternator

Tuff Stuff 7068BBULL6G Alternator, 100 AMP, Smooth Back, 1 Wire

Powermaster 182091-2 PowerGEN Alternator, 90 Amp, Universal

Powermaster 28462-114 Race Alternator, 90A, 12V 1 Wire Regulator

Powermaster 28462 Race Alternator, 90 Amp, 12V 1 Wire Regulator

Powermaster 28468-114 Race Alternator, 90A, XS Volt 1 Wire Reg

Powermaster 28472-114 Race Alternator, 100A, 12V 1 Wire Regulator

Powermaster 8016 Race Alternator, 105 Amps, Serpentine, 16V

Powermaster 8116 Race Alternator, 100 Amps, 16V

Powermaster 48163 Alternator, 200 Amp

Powermaster 28166 Race Alternator, 55 Amps, V-belt, 16V

Powermaster 8066 Race Alternator, 100 Amps, 16V

Powermaster 8128 Race Alternator, 115 Amps, 12V

Powermaster 8126 Race Alternator, 115 Amps, 16V

Powermaster 8148 XS Volt Alternator, 150 Amps, Internal

Powermaster 8176 Race Alternator, 55 Amps, V-belt, 16V

Popular Parts