Chevy C20 Alternators

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Chevy C20

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$156 Off

Powermaster |

#25537806

Powermaster 37806 Street Alternator, 200A, Serpentine, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

200 amp

Alternator Finish:

Chrome

$408.99

/each

$565.00

$125 Off

Powermaster |

#2552820212

Powermaster 282021-2 PowerGEN Alternator, 90A, V-belt, 12V, Ford

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Polished

$500.99

/each

$626.25

$178 Off

Powermaster |

#2551820212

Powermaster 182021-2 PowerGEN Alternator, 90A, V-belt, 12V, Ford

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Chrome

$544.99

/each

$722.50

$139 Off

Powermaster |

#25582021

Powermaster 82021-2 PowerGEN 1949-53 Ford Flathead Alternator, 12-Volt

(7)

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Powder Coated

$416.99

/each

$556.25

$156 Off

Powermaster |

#25567806

Powermaster 67806 Street Alternator, 200A, Serpentine, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

200 amp

Alternator Finish:

Polished

$408.99

/each

$565.00

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.

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.

Squarebody LS Swap Guide | 73-87 C10 Parts List

If you're ready to swap an LS engine into you '73-'87 Squarebody Chevy or GMC truck, here's a guide to get you started and a parts list to help you get everything you need for your swap.

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.

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.

C10 Rear Drop Springs Installation

Read how to install rear drop spring to lower a 1969 C10 pickup. Follow these steps for a smooth installation.

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.

C10 LS Swaps Made Easy with Motor Mount and Transmission Crossmember Kits

Looking to update that '67-'72 C10 truck with an LS swap? These motors mounts and transmission crossmember kit will make that modern powerplant and transmission fit like they came that way from the factory!

-25%

Powermaster |

#25547294

Powermaster 47294 GM 12SI 150 Amp Alternator, Natural

(12)

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Natural

$176.99

/each

$238.75

-31%

Tuff Stuff |

#7457127NF12

Tuff Stuff 7127NF12 GM Alternator, 100 Amp, 1-Wire, Stealth Black

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Powder Coated

$169.99

/each

$246.80

-26%

Powermaster |

#25517102

Powermaster 17102 Street Alternator, 70 Amps, V-belt, 12V, GM

(2)

One Wire Alternator:

Alternator Amperage:

70 amp

Alternator Finish:

Chrome

$173.99

/each

$237.50

-24%

Tuff Stuff |

#7457140FU12

Tuff Stuff 7140FBULL12 GM Silver Bullet 140 Amp Alternator, Black

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Powder Coated

$211.99

/each

$282.06

-22%

Tuff Stuff |

#7457140AU12

Tuff Stuff 7140ABULL12 GM Silver Bullet 140 Amp Alternator, Chr

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$262.99

/each

$341.07

-22%

Tuff Stuff |

#7457139AU12

Tuff Stuff 7139ABULL12 GM Silver Bullet 100 Amp Alternator, Chr

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$214.99

/each

$278.84

-28%

Tuff Stuff |

#7457139FU12

Tuff Stuff 7139FBULL12 GM Silver Bullet 100 Amp Alternator, Black

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Powder Coated

$176.99

/each

$246.80

-28%

Tuff Stuff |

#7457127ND12

Tuff Stuff 7127ND12 GM Alternator, 100 Amp, 1-Wire, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$167.99

/each

$233.61

-22%

Tuff Stuff |

#7457140BU12

Tuff Stuff 7140BBULL12 GM Silver Bullet 140 Amp Alternator, Chr

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$262.99

/each

$341.07

-31%

Tuff Stuff |

#7457127NDP12

Tuff Stuff 7127NDP12 GM Alternator, 100 Amp, 1-Wire, Polished

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$159.99

/each

$232.28

-22%

Tuff Stuff |

#7457139BU12

Tuff Stuff 7139BBULL12 GM Silver Bullet 100 Amp Alternator, Pol

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$194.99

/each

$252.95

-28%

Tuff Stuff |

#7457127NKP12

Tuff Stuff 7127NKP12 GM Alternator, 140 Amp, 1-Wire, Polished

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Polished

$175.99

/each

$246.80

-29%

Tuff Stuff |

#7457127NKB12

Tuff Stuff 7127NKB12 GM Alternator, 140 Amp, 1-Wire, Black

(2)

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Powder Coated

$174.99

/each

$246.80

Proform |

#58666432

Proform 66432 50-Amp Mini Alternator Black Finish, 1 Wire

One Wire Alternator:

Yes

Alternator Amperage:

50 amp

Alternator Finish:

Textured

$150.99

/each

-18%

Powermaster |

#25527127

Powermaster 27127 Street Alternator, 70 Amps, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

70 amp

Alternator Finish:

Polished

$183.99

/each

$225.00

-18%

Powermaster |

#25547806

Powermaster 47806 Street Alternator, 200A, Serpentine, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

200 amp

Alternator Finish:

Natural

$362.99

/each

$446.25

1973-86 GM Chrome Alternator, Internal Regulator, 60 Amp

Speedway Motors |

#91067150

1973-86 GM Chrome Alternator, Internal Regulator, 60 Amp

(10)

One Wire Alternator:

Alternator Amperage:

60 amp

Alternator Finish:

Chrome plated

$160.99

/each

-22%

Powermaster |

#25517127

Powermaster 17127 Street Alternator, 85 Amps, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

85 amp

Alternator Finish:

Chrome

$174.99

/each

$225.00

$171 Off

Powermaster |

#25567864

Powermaster 67864 GM CS144 Alternator, 200A, 6-Groove, Polished

One Wire Alternator:

Yes

Alternator Amperage:

200 amp

Alternator Finish:

Polished

$423.99

/each

$595.00

-18%

Powermaster |

#25527864

Powermaster 27864 GM CS144 Alternator, 170A, 6-Groove, Polished

One Wire Alternator:

Yes

Alternator Amperage:

170 amp

Alternator Finish:

Polished

$398.99

/each

$492.50

-6%

Tuff Stuff |

#7457140AU9

Tuff Stuff 7140ABULL9 GM Silver Bullet 140 Amp Alternator, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$319.99

/each

$341.07

-22%

Tuff Stuff |

#7457140FU9

Tuff Stuff 7140FBULL9 GM Silver Bullet 140 Amp Alternator, Black

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Powder Coated

$217.99

/each

$282.06

Tuff Stuff |

#7457139FU9

Tuff Stuff 7139FBULL9 GM Silver Bullet 100 Amp Alternator, Black

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Powder Coated

$246.99

/each

-22%

Tuff Stuff |

#7457139AU9

Tuff Stuff 7139ABULL9 GM Silver Bullet 100 Amp Alternator, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$214.99

/each

$278.84

-22%

Tuff Stuff |

#7457139BU9

Tuff Stuff 7139BBULL9 GM Silver Bullet 100 Amp Alternator, Pol

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$194.99

/each

$252.95

-31%

Tuff Stuff |

#7457127NKP9

Tuff Stuff 7127NKP9 GM Alternator, 140 Amp, 1-Wire, Polished

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Polished

$169.99

/each

$246.80

-20%

Powermaster |

#255827926

Powermaster 8-27926 Street Alternator, 100A, V-belt, 12V, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$335.99

/each

$420.00

-31%

Tuff Stuff |

#7457127ND9

Tuff Stuff 7127ND9 GM Alternator, 100 Amp, 1-Wire, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$159.99

/each

$233.62

-21%

Powermaster |

#25567461362

Powermaster 67461-362 GM CS130 140A Alternator, 6-Groove, Polish

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Polished

$286.99

/each

$367.50

-18%

Powermaster |

#25527102

Powermaster 27102 Retro Alternator, 70 Amps, V-belt, 12V, GM

One Wire Alternator:

Alternator Amperage:

70 amp

Alternator Finish:

Polished

$193.99

/each

$237.50

$155 Off

Powermaster |

#2558897

Powermaster 8-897 Drag Race Alternator Kit, 100A, V-belt, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Powder Coated

$402.99

/each

$557.50

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Chevy C20 Alternators

Year

One Wire Alternator

Brand

Availability

Discounts

Engine Family

Price

Customer Rating

Products

Powermaster 37806 Street Alternator, 200A, Serpentine, 12V, GM

Powermaster 282021-2 PowerGEN Alternator, 90A, V-belt, 12V, Ford

Powermaster 182021-2 PowerGEN Alternator, 90A, V-belt, 12V, Ford

Powermaster 82021-2 PowerGEN 1949-53 Ford Flathead Alternator, 12-Volt

Powermaster 67806 Street Alternator, 200A, Serpentine, 12V, GM

Related Articles

Powermaster 47294 GM 12SI 150 Amp Alternator, Natural

Tuff Stuff 7127NF12 GM Alternator, 100 Amp, 1-Wire, Stealth Black

Powermaster 17102 Street Alternator, 70 Amps, V-belt, 12V, GM

Tuff Stuff 7140FBULL12 GM Silver Bullet 140 Amp Alternator, Black

Tuff Stuff 7140ABULL12 GM Silver Bullet 140 Amp Alternator, Chr

Tuff Stuff 7139ABULL12 GM Silver Bullet 100 Amp Alternator, Chr

Tuff Stuff 7139FBULL12 GM Silver Bullet 100 Amp Alternator, Black

Tuff Stuff 7127ND12 GM Alternator, 100 Amp, 1-Wire, Chrome

Tuff Stuff 7140BBULL12 GM Silver Bullet 140 Amp Alternator, Chr

Tuff Stuff 7127NDP12 GM Alternator, 100 Amp, 1-Wire, Polished

Tuff Stuff 7139BBULL12 GM Silver Bullet 100 Amp Alternator, Pol

Tuff Stuff 7127NKP12 GM Alternator, 140 Amp, 1-Wire, Polished

Tuff Stuff 7127NKB12 GM Alternator, 140 Amp, 1-Wire, Black

Proform 66432 50-Amp Mini Alternator Black Finish, 1 Wire

Powermaster 27127 Street Alternator, 70 Amps, V-belt, 12V, GM

Powermaster 47806 Street Alternator, 200A, Serpentine, 12V, GM

1973-86 GM Chrome Alternator, Internal Regulator, 60 Amp

Powermaster 17127 Street Alternator, 85 Amps, V-belt, 12V, GM

Powermaster 67864 GM CS144 Alternator, 200A, 6-Groove, Polished

Powermaster 27864 GM CS144 Alternator, 170A, 6-Groove, Polished

Tuff Stuff 7140ABULL9 GM Silver Bullet 140 Amp Alternator, Chrome

Tuff Stuff 7140FBULL9 GM Silver Bullet 140 Amp Alternator, Black

Tuff Stuff 7139FBULL9 GM Silver Bullet 100 Amp Alternator, Black

Tuff Stuff 7139ABULL9 GM Silver Bullet 100 Amp Alternator, Chrome

Tuff Stuff 7139BBULL9 GM Silver Bullet 100 Amp Alternator, Pol

Tuff Stuff 7127NKP9 GM Alternator, 140 Amp, 1-Wire, Polished

Powermaster 8-27926 Street Alternator, 100A, V-belt, 12V, Chevy

Tuff Stuff 7127ND9 GM Alternator, 100 Amp, 1-Wire, Chrome

Powermaster 67461-362 GM CS130 140A Alternator, 6-Groove, Polish

Powermaster 27102 Retro Alternator, 70 Amps, V-belt, 12V, GM

Powermaster 8-897 Drag Race Alternator Kit, 100A, V-belt, Chevy

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