Chevy G20 Alternators

Get an exact fit for your

Chevy G20

Year

Choose Year

Year

Make

Choose Make

Make

Model

Choose Model

Model

Select One Wire Alternator

All

404

Yes

381

404 products

Sort By:

Clear All

Fitment

Chevy G20

Products

$149 Off

Tuff Stuff |

#7457290NE6G

Tuff Stuff 7290NE6G GM 1980-95 Alternator, 250 Amp, Chrome

One Wire Alternator:

Alternator Amperage:

250 amp

Alternator Finish:

Chrome

$380.99

/each

$529.96

$136 Off

Tuff Stuff |

#7457290NEP6G

Tuff Stuff 7290NEP6G GM 1980-95 Alternator, 250 Amp, Polished

One Wire Alternator:

Alternator Amperage:

250 amp

Alternator Finish:

Polished

$364.99

/each

$501.26

-14%

Tuff Stuff |

#7457290NF6G

Tuff Stuff 7290NF6G GM 1980-95 Alternator, 250 Amp, Stealth Black

One Wire Alternator:

Alternator Amperage:

250 amp

Alternator Finish:

Powder Coated

$401.99

/each

$472.10

$120 Off

Tuff Stuff |

#7457290NA

Tuff Stuff 7290NA GM 1980-95 Alternator, 170 Amp, Chrome

One Wire Alternator:

Alternator Amperage:

170 amp

Alternator Finish:

Chrome

$336.99

/each

$457.20

$129 Off

Tuff Stuff |

#7457290NAP

Tuff Stuff 7290NAP GM 1980-95 Alternator, 170 Amp, Polished

One Wire Alternator:

Alternator Amperage:

170 amp

Alternator Finish:

Polished

$327.99

/each

$457.20

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.

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.

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.

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.

How to Install Side Detent Shifter for GM TH200, TH250, TH350, and TH400

Learn how to install a side detent shifter in a 1969 Chevy C10.

$132 Off

Tuff Stuff |

#7457290NB

Tuff Stuff 7290NB GM 1980-95 Alternator, 170 Amp, Stealth Black

One Wire Alternator:

Alternator Amperage:

170 amp

Alternator Finish:

Powder Coated

$281.99

/each

$414.40

$117 Off

Tuff Stuff |

#7457290NC

Tuff Stuff 7290NC GM 1980-95 Alternator, 170 Amp, Factory Cast

One Wire Alternator:

Alternator Amperage:

170 amp

Alternator Finish:

Natural

$297.99

/each

$414.75

$121 Off

Tuff Stuff |

#7457290ND6G

Tuff Stuff 7290ND6G GM 1980-95 Alternator, 250 Amp, Facotry Cast

One Wire Alternator:

Alternator Amperage:

250 amp

Alternator Finish:

Natural

$326.99

/each

$447.78

$122 Off

Tuff Stuff |

#7457290ND

Tuff Stuff 7290ND GM 1980-95 Alternator, 250 Amp, Factory Cast

One Wire Alternator:

Alternator Amperage:

250 amp

Alternator Finish:

Natural

$330.99

/each

$452.96

$141 Off

Tuff Stuff |

#7457290NEP

Tuff Stuff 7290NEP GM 1980-95 Alternator, 250 Amp, Polished

One Wire Alternator:

Alternator Amperage:

250 amp

Alternator Finish:

Polished

$359.99

/each

$501.26

$149 Off

Tuff Stuff |

#7457290NE

Tuff Stuff 7290NE GM 1980-95 Alternator, 250 Amp, Chrome

One Wire Alternator:

Alternator Amperage:

250 amp

Alternator Finish:

Chrome

$380.99

/each

$529.96

$133 Off

Tuff Stuff |

#7457290NF

Tuff Stuff 7290NF GM 1980-95 Alternator, 250 Amp, Stealth Black

One Wire Alternator:

Alternator Amperage:

250 amp

Alternator Finish:

Powder Coated

$338.99

/each

$472.10

$163 Off

Tuff Stuff |

#UP233212

Tuff Stuff 7935ABULL6G GM Silver Bullet 160 Amp Alternator, Chr

Garage Sale Type:

Open Box

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

$244.79

/each

$407.65

-26%

Tuff Stuff |

#7457935D

Tuff Stuff 7935D GM Alternator, 105 Amp, 1-Wire/OEM, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Chrome

$262.99

/each

$358.85

-28%

Tuff Stuff |

#7457935K11G

Tuff Stuff 7935K-11G GM Alternator, 160 Amp, 1-Wire/OEM, Cast

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Natural

$236.99

/each

$330.15

$109 Off

Tuff Stuff |

#7457935K16G22

Tuff Stuff 7935K-16G22 GM Silver Bullet 160 Amp Alternator, Cast

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Natural

$278.99

/each

$388.40

-28%

Tuff Stuff |

#745793511G

Tuff Stuff 7935-11G GM Alternator, 105 Amp, 1-Wire/OEM, Cast

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Natural

$237.99

/each

$332.60

$113 Off

Tuff Stuff |

#7457935BU6G

Tuff Stuff 7935BBULL6G GM Silver Bullet 160 Amp Alternator, Pol

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Polished

$288.99

/each

$401.90

$109 Off

Tuff Stuff |

#7457935CU

Tuff Stuff 7935CBULL GM Silver Bullet 160 Amp Alternator, Black

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Powder Coated

$278.99

/each

$387.56

-28%

Tuff Stuff |

#7457935DP6G

Tuff Stuff 7935DP6G GM Alternator, 105 Amp, 1-Wire/OEM, Polished

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Polished

$244.99

/each

$341.65

$109 Off

Tuff Stuff |

#7457935F

Tuff Stuff 7935F GM Alternator, 160 Amp, 1-Wire/OEM, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Chrome

$278.99

/each

$387.56

-22%

Tuff Stuff |

#7457935G6G22

Tuff Stuff 7935FP6G22 GM Alternator, 160 Amp, 1-Wire/OEM, Pol

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Polished

$325.99

/each

$422.20

-28%

Tuff Stuff |

#745793516G

Tuff Stuff 7935-16G GM Alternator, 105 Amp, 1-Wire/OEM, Cast

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Natural

$203.99

/each

$284.20

$115 Off

Tuff Stuff |

#7457935AU6G

Tuff Stuff 7935ABULL6G GM Silver Bullet 160 Amp Alternator, Chr

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Chrome

$292.99

/each

$407.66

$143 Off

Tuff Stuff |

#7457935AU

Tuff Stuff 7935ABULL GM Silver Bullet 160 Amp Alternator, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Chrome

$264.99

/each

$407.66

$113 Off

Tuff Stuff |

#7457935BU

Tuff Stuff 7935BBULL GM Silver Bullet 160 Amp Alternator, Pol

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Polished

$288.99

/each

$401.90

$105 Off

Tuff Stuff |

#7457935CU6G

Tuff Stuff 7935CBULL6G GM Silver Bullet 160 Amp Alternator, Black

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Powder Coated

$282.99

/each

$387.56

-28%

Tuff Stuff |

#7457935E6G

Tuff Stuff 7935E6G GM Alternator, 105 Amp, 1-Wire/OEM, Black

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Powder Coated

$226.99

/each

$315.79

$123 Off

Tuff Stuff |

#7457935F6G22

Tuff Stuff 7935F6G22 GM Silver Bullet 160 Amp Alternator, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Chrome

$332.99

/each

$455.95

Tuff Stuff |

#7457935F6G

Tuff Stuff 7935F6G GM Alternator, 160 Amp, 1-Wire/OEM, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Chrome

$370.99

/each

$123 Off

Tuff Stuff |

#7457935FP6G22

Tuff Stuff 7935FP6G22 GM Alternator, 160 Amp, 1-Wire/OEM, Pol

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Polished

$312.99

/each

$435.68

-26%

Tuff Stuff |

#7457935FP6G

Tuff Stuff 7935FP6G GM Alternator, 160 Amp, 1-Wire/OEM, Polished

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Polished

$270.99

/each

$370.34

$104 Off

Tuff Stuff |

#7457935FP

Tuff Stuff 7935FP GM Alternator, 160 Amp, 1-Wire/OEM, Polished

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Polished

$265.99

/each

$370.34

$104 Off

Tuff Stuff |

#7457935G6G

Tuff Stuff 7935G6G GM Alternator, 160 Amp, 1-Wire/OEM, Black

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Powder Coated

$254.99

/each

$358.86

$101 Off

Tuff Stuff |

#7457935G

Tuff Stuff 7935G GM Alternator, 160 Amp, 1-Wire/OEM, Black

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Powder Coated

$257.99

/each

$358.86

-28%

Tuff Stuff |

#7457935H16V

Tuff Stuff 7935H16V GM Alternator, 160 Amp, 1-Wire/OEM, Cast

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Natural

$236.99

/each

$330.15

Showing 1 - 36 of 404 results

Shop Feedback:

Did you find what you are looking for?

Chevy G20 Alternators

Year

One Wire Alternator

Brand

Availability

Discounts

Engine Family

Price

Customer Rating

Products

Tuff Stuff 7290NE6G GM 1980-95 Alternator, 250 Amp, Chrome

Tuff Stuff 7290NEP6G GM 1980-95 Alternator, 250 Amp, Polished

Tuff Stuff 7290NF6G GM 1980-95 Alternator, 250 Amp, Stealth Black

Tuff Stuff 7290NA GM 1980-95 Alternator, 170 Amp, Chrome

Tuff Stuff 7290NAP GM 1980-95 Alternator, 170 Amp, Polished

Related Articles

Tuff Stuff 7290NB GM 1980-95 Alternator, 170 Amp, Stealth Black

Tuff Stuff 7290NC GM 1980-95 Alternator, 170 Amp, Factory Cast

Tuff Stuff 7290ND6G GM 1980-95 Alternator, 250 Amp, Facotry Cast

Tuff Stuff 7290ND GM 1980-95 Alternator, 250 Amp, Factory Cast

Tuff Stuff 7290NEP GM 1980-95 Alternator, 250 Amp, Polished

Tuff Stuff 7290NE GM 1980-95 Alternator, 250 Amp, Chrome

Tuff Stuff 7290NF GM 1980-95 Alternator, 250 Amp, Stealth Black

Tuff Stuff 7935ABULL6G GM Silver Bullet 160 Amp Alternator, Chr

Tuff Stuff 7935D GM Alternator, 105 Amp, 1-Wire/OEM, Chrome

Tuff Stuff 7935K-11G GM Alternator, 160 Amp, 1-Wire/OEM, Cast

Tuff Stuff 7935K-16G22 GM Silver Bullet 160 Amp Alternator, Cast

Tuff Stuff 7935-11G GM Alternator, 105 Amp, 1-Wire/OEM, Cast

Tuff Stuff 7935BBULL6G GM Silver Bullet 160 Amp Alternator, Pol

Tuff Stuff 7935CBULL GM Silver Bullet 160 Amp Alternator, Black

Tuff Stuff 7935DP6G GM Alternator, 105 Amp, 1-Wire/OEM, Polished

Tuff Stuff 7935F GM Alternator, 160 Amp, 1-Wire/OEM, Chrome

Tuff Stuff 7935FP6G22 GM Alternator, 160 Amp, 1-Wire/OEM, Pol

Tuff Stuff 7935-16G GM Alternator, 105 Amp, 1-Wire/OEM, Cast

Tuff Stuff 7935ABULL6G GM Silver Bullet 160 Amp Alternator, Chr

Tuff Stuff 7935ABULL GM Silver Bullet 160 Amp Alternator, Chrome

Tuff Stuff 7935BBULL GM Silver Bullet 160 Amp Alternator, Pol

Tuff Stuff 7935CBULL6G GM Silver Bullet 160 Amp Alternator, Black

Tuff Stuff 7935E6G GM Alternator, 105 Amp, 1-Wire/OEM, Black

Tuff Stuff 7935F6G22 GM Silver Bullet 160 Amp Alternator, Chrome

Tuff Stuff 7935F6G GM Alternator, 160 Amp, 1-Wire/OEM, Chrome

Tuff Stuff 7935FP6G22 GM Alternator, 160 Amp, 1-Wire/OEM, Pol

Tuff Stuff 7935FP6G GM Alternator, 160 Amp, 1-Wire/OEM, Polished

Tuff Stuff 7935FP GM Alternator, 160 Amp, 1-Wire/OEM, Polished

Tuff Stuff 7935G6G GM Alternator, 160 Amp, 1-Wire/OEM, Black

Tuff Stuff 7935G GM Alternator, 160 Amp, 1-Wire/OEM, Black

Tuff Stuff 7935H16V GM Alternator, 160 Amp, 1-Wire/OEM, Cast

Popular Parts