Buick Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 Alternators

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Buick - Chevy Small Block V8 Gen 1 1-Piece Rear Main 305

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135 products

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Buick

Engine Family

Chevy Small Block V8

Engine Version

Gen 1 1-Piece Rear Main

Displacement

305

Products

New Product

Proform |

#586141148

Proform 141-148 Slant-Edge Alternator, GM 10SI, 100 Amp, Orange

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$269.95

/each

New Product

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

New Product

Proform |

#586141152

Proform 141-152 Slant-Edge Alternator, GM 10SI, 100 Amp, Black

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Matte

$269.95

/each

New Product

Proform |

#586141146

Proform 141-146 Slant-Edge Alternator, GM 10SI, 100 Amp, Black

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Matte

$269.95

/each

New Product

Proform |

#586141156

Proform 141-156 Slant-Edge Alternator, GM 10SI, 100 Amp, Silver

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$272.99

/each

Transmission Interchange List Chevy, Ford, Mopar V8 Compatibility

Concerned about a transmission swap? Our engine transmission compatibility checker will help confirm what you need to make it happen.

Small Block and Big Block Chevy Engine Flexplate Guide

Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. We’ll help you determine the correct flexplate for your Chevy engine in this buyer’s guide.

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.

Chevy Small Block Casting Numbers

Decode small block Chevy engine suffix codes and block casting numbers with our SBC decoding info guide. Learn how to find and decipher your small block Chevy engine codes quickly and easily!

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.

Small Block Chevy Head Identification Guide | Casting Numbers Explained

Identify SBC heads using casting numbers, style tips, and year-by-year guides for your small block Chevy engine projects

Upgrading the Cooling System for a Small Block Chevy

Learn how to successfully upgrade the cooling system for a 400 small block Chevy. Read tips for installing a water pump and auxiliary coolant lines using fittings and fuel hoses.

Radiator Hose Replacement - Big Block Chevy

How to install a chrome radiator hose kit and aluminum thermostat housing on a big block Chevy for an added touch to your engine bay.

New Product

Proform |

#586141150

Proform 141-150 Slant-Edge Alternator, GM 10SI, 100 Amp, Red

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$269.95

/each

New Product

Proform |

#586141153

Proform 141-153 Slant-Edge Alternator, GM 10SI, 100 Amp, Gray

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Matte

$267.99

/each

New Product

Proform |

#586141151

Proform 141-151 Slant-Edge Alternator, GM 10SI, 100 Amp, Silver

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$276.99

/each

New Product

Proform |

#586141149

Proform 141-149 Slant-Edge Alternator, GM 10SI, 100 Amp, Gray

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Matte

$269.95

/each

Powermaster |

#25537293344

Powermaster 37293-344 Alternator, 150 Amp

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Chrome

$205.99

/each

-34%

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

$126.99

/each

$194.33

-30%

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

$159.99

/each

$230.77

$120 Off

Tuff Stuff |

#7457140AU6

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

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$244.99

/each

$365.43

-34%

Tuff Stuff |

#7457139FU6

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

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Black

$160.99

/each

$246.79

-34%

Tuff Stuff |

#7457127NKB6

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

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Black

$161.99

/each

$246.79

-28%

Tuff Stuff |

#7457140FU6

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

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Black

$201.99

/each

$282.05

-34%

Tuff Stuff |

#7457139AU6

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

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$181.99

/each

$278.85

-28%

Tuff Stuff |

#7457139BU6

Tuff Stuff 7139BBULL6 GM Silver Bullet 100 Amp Alternator, Pol

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$181.99

/each

$252.95

Powermaster |

#25557293

Powermaster 57293 GM 12si Alternator, 150A, 1V Belt, Black

(1)

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Powder Coated

$183.99

/each

Powermaster |

#255478068SPL

Powermaster 478068SPL XS Volt Alternator, 300 Amp

One Wire Alternator:

Yes

Alternator Amperage:

300 amp

Alternator Finish:

Natural

$507.99

/each

Powermaster |

#255678648

Powermaster 678648 GM CS144 XS Alternator, 200A, Polish, Straight

One Wire Alternator:

Yes

Alternator Amperage:

200 amp

Alternator Finish:

Polished

$452.99

/each

Powermaster |

#255578648

Powermaster 578648 XS Volt Alternator, 200 Amp

One Wire Alternator:

Yes

Alternator Amperage:

200 amp

Alternator Finish:

Satin

$365.99

/each

Powermaster |

#25517294367

Powermaster 17294-367 Street Alternator, 100A, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$181.99

/each

Powermaster |

#25527294367

Powermaster 27294-367 Street Alternator, 100A, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$181.99

/each

Powermaster |

#25517294332

Powermaster 17294-332 Street Alternator, 100A, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$177.99

/each

Powermaster |

#25517294344

Powermaster 17294-344 Street Alternator, 100A, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$171.99

/each

Powermaster |

#25527294332

Powermaster 27294-332 Street Alternator, 100A, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$183.99

/each

Powermaster |

#25527294344

Powermaster 27294-344 Street Alternator, 100A, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$172.99

/each

Powermaster |

#25547294

Powermaster 47294 GM 12SI 150 Amp Alternator, Natural

(11)

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Natural

$168.99

/each

Powermaster |

#25517290

Powermaster 17290 Retro Alternator, 120 Amps, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

120 amp

Alternator Finish:

Chrome

$214.99

/each

Powermaster |

#2557127

Powermaster 7127 Retro Alternator, 85 Amps, V-belt, 12V, GM

One Wire Alternator:

Alternator Amperage:

85 amp

Alternator Finish:

Natural

$130.99

/each

Powermaster |

#2557288

Powermaster 7288 Alternator, 120 Amps, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

120 amp

Alternator Finish:

Natural

$193.99

/each

Powermaster |

#25527290

Powermaster 27290 Retro Alternator, 120 Amps, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

120 amp

Alternator Finish:

Polished

$214.99

/each

-34%

Tuff Stuff |

#7457127NF12

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

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Black

$160.99

/each

$246.79

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

-24%

Tuff Stuff |

#7457140FU12

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

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Black

$212.99

/each

$282.05

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Buick Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 Alternators

Model

One Wire Alternator

Brand

Application

Department

Availability

Discounts

Engine Code

Price

Customer Rating

Products

Proform 141-148 Slant-Edge Alternator, GM 10SI, 100 Amp, Orange

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

Proform 141-152 Slant-Edge Alternator, GM 10SI, 100 Amp, Black

Proform 141-146 Slant-Edge Alternator, GM 10SI, 100 Amp, Black

Proform 141-156 Slant-Edge Alternator, GM 10SI, 100 Amp, Silver

Related Articles

Proform 141-150 Slant-Edge Alternator, GM 10SI, 100 Amp, Red

Proform 141-153 Slant-Edge Alternator, GM 10SI, 100 Amp, Gray

Proform 141-151 Slant-Edge Alternator, GM 10SI, 100 Amp, Silver

Proform 141-149 Slant-Edge Alternator, GM 10SI, 100 Amp, Gray

Powermaster 37293-344 Alternator, 150 Amp

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

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

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

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

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

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

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

Tuff Stuff 7139BBULL6 GM Silver Bullet 100 Amp Alternator, Pol

Powermaster 57293 GM 12si Alternator, 150A, 1V Belt, Black

Powermaster 478068SPL XS Volt Alternator, 300 Amp

Powermaster 678648 GM CS144 XS Alternator, 200A, Polish, Straight

Powermaster 578648 XS Volt Alternator, 200 Amp

Powermaster 17294-367 Street Alternator, 100A, V-belt, 12V, GM

Powermaster 27294-367 Street Alternator, 100A, V-belt, 12V, GM

Powermaster 17294-332 Street Alternator, 100A, V-belt, 12V, GM

Powermaster 17294-344 Street Alternator, 100A, V-belt, 12V, GM

Powermaster 27294-332 Street Alternator, 100A, V-belt, 12V, GM

Powermaster 27294-344 Street Alternator, 100A, V-belt, 12V, GM

Powermaster 47294 GM 12SI 150 Amp Alternator, Natural

Powermaster 17290 Retro Alternator, 120 Amps, V-belt, 12V, GM

Powermaster 7127 Retro Alternator, 85 Amps, V-belt, 12V, GM

Powermaster 7288 Alternator, 120 Amps, V-belt, 12V, GM

Powermaster 27290 Retro Alternator, 120 Amps, V-belt, 12V, GM

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

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

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

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