Mercury Alternators

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$104 Off

Powermaster |

#25548307

Powermaster 48307 Street Alternator, 200A, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

200 amp

Alternator Finish:

Natural

$351.99

/each

$456.25

$122 Off

Powermaster |

#25558307

Powermaster 58307 Street Alternator, 200A, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

200 amp

Alternator Finish:

Powder Coated

$398.99

/each

$521.25

-21%

Powermaster |

#25557753

Powermaster 57753 Street Alternator, 140A, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

140 amp

Alternator Finish:

Powder Coated

$273.99

/each

$350.00

$129 Off

Powermaster |

#255677811

Powermaster 677811 Street Alternator, 200A, Serpentine, 12V, Ford

One Wire Alternator:

Yes

Alternator Amperage:

200 amp

Alternator Finish:

Polished

$414.99

/each

$543.75

-22%

Powermaster |

#25517753

Powermaster 17753 Street Alternator, 140A, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$317.99

/each

$410.00

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.

Replacing Sway Bars in a Mercury Comet

How to replace sway bars in a Mercury Comet and the advantages that come with it.

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.

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.

Bolt-on Brake Conversion Kits for 1937-1948 Ford Spindles

Early Ford Bolt-on Brake Conversion

Ford Alternator Buying Guide

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

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

Replacing Fuel Sending Unit

Learn how to replace a fuel sending unit. Our fuel gauge sending unit guide and installation video covers all you need to match your fuel sender and gauge.

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.

-20%

Powermaster |

#25547753

Powermaster 47753 Street Alternator, 140A, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$247.99

/each

$313.75

$120 Off

Powermaster |

#25557781

Powermaster 57781 Street Alternator, 200A, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

200 amp

Alternator Finish:

Powder Coated

$349.99

/each

$470.00

$104 Off

Powermaster |

#25537781

Powermaster 37781 Street Alternator, 200A, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

200 amp

Alternator Finish:

Chrome

$424.99

/each

$528.75

-22%

Powermaster |

#25547781

Powermaster 47781 Street Alternator, 200A, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

200 amp

Alternator Finish:

Natural

$333.99

/each

$432.50

-22%

Powermaster |

#255837140344

Powermaster 8-37140-344 Alternator, 140 Amp, Ford

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$293.99

/each

$377.50

-21%

Powermaster |

#255867141344

Powermaster 8-67141-344 Smooth Look Alternator, 140 Amp, Ford

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Polished

$286.99

/each

$367.50

$104 Off

Powermaster |

#255377811

Powermaster 377811 Street Alternator, 200A, Serpentine, 12V, Ford

One Wire Alternator:

Yes

Alternator Amperage:

200 amp

Alternator Finish:

Chrome

$439.99

/each

$543.75

$101 Off

Powermaster |

#255477811

Powermaster 477811 Street Alternator, 200A, Serpentine, 12V, Ford

One Wire Alternator:

Yes

Alternator Amperage:

200 amp

Alternator Finish:

Natural

$344.99

/each

$446.25

-20%

Powermaster |

#2558405

Powermaster 8405 Street Alternator, 140A, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$247.99

/each

$313.75

-20%

Powermaster |

#2558403

Powermaster 8403 Street Alternator, 140A, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$247.99

/each

$313.75

Powermaster |

#25582011P

Powermaster 82011P 12V PowerGEN 39-48 Flathead Alt, Pos. Ground

(1)

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Powder Coated

$426.99

/each

-18%

Powermaster |

#255477871

Powermaster 477871 Street Alternator, 200A, Serpentine, 12V, Ford

One Wire Alternator:

Yes

Alternator Amperage:

200 amp

Alternator Finish:

Natural

$361.99

/each

$446.25

$148 Off

Powermaster |

#25582011

Powermaster 82011 12V PowerGEN 39-48 Flathead Alt, Neg. Ground

(4)

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Powder Coated

$407.99

/each

$556.25

$139 Off

Powermaster |

#91067160

Powermaster PowerGEN 1939-48 Flathead Ford 1-Wire Alternators, 12-Volt

(10)

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Pulley Style:

V-belt

as low as

$388.99

/each

$527.50

$124 Off

Powermaster |

#91067172

Powermaster PowerGEN 1939-48 Flathead Ford 1-Wire Alternators, 6-Volt

(4)

One Wire Alternator:

Yes

Alternator Amperage:

60 amp

Pulley Style:

V-belt

as low as

$418.99

/each

$542.50

-20%

Powermaster |

#255867101344

Powermaster 8-67101-344 Smooth Look Alternator, 100A, V-belt Ford

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$235.99

/each

$297.50

-20%

Powermaster |

#255837101344

Powermaster 8-37101-344 Smooth Look Alternator, 100A, V-belt Ford

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$236.99

/each

$298.75

-20%

Powermaster |

#255837100344

Powermaster 8-37100-344 Alternator, 100 Amp, Ford

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$242.99

/each

$306.25

-22%

Powermaster |

#25528315

Powermaster 28315 Street Alternator, 140A, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

140 amp

Alternator Finish:

Polished

$333.99

/each

$432.50

-20%

Powermaster |

#255837106

Powermaster 8-37106 Alternator, 100 Amp

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$242.99

/each

$306.25

$169 Off

Powermaster |

#25537795

Powermaster 37795 Alternator, 200 Amps, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

200 amp

Alternator Finish:

Chrome

$420.99

/each

$590.00

$154 Off

Powermaster |

#25567795

Powermaster 67795 Alternator, 200 Amps, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

200 amp

Alternator Finish:

Polished

$435.99

/each

$590.00

$142 Off

Powermaster |

#25557795

Powermaster 57795 Alternator, 200 Amps, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

200 amp

Alternator Finish:

Powder Coated

$378.99

/each

$521.25

$116 Off

Powermaster |

#25547795

Powermaster 47795 Alternator, 200 Amps, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

200 amp

Alternator Finish:

Natural

$339.99

/each

$456.25

-21%

Powermaster |

#255577581

Powermaster 577581 Street Alternator, 140A, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

140 amp

Alternator Finish:

Powder Coated

$284.99

/each

$365.00

$112 Off

Powermaster |

#255577641

Powermaster 577641 Street Alternator, 200A, Serpentine, 12V, Ford

One Wire Alternator:

Yes

Alternator Amperage:

200 amp

Alternator Finish:

Powder Coated

$371.99

/each

$483.75

$112 Off

Powermaster |

#255577681

Powermaster 577681 Street Alternator, 200A, Serpentine, 12V, Ford

One Wire Alternator:

Yes

Alternator Amperage:

200 amp

Alternator Finish:

Powder Coated

$371.99

/each

$483.75

-20%

Powermaster |

#2557761

Powermaster 7761 Street Alternator, 140A, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$247.99

/each

$313.75

$141 Off

Powermaster |

#25538315

Powermaster 38315 Street Alternator, 200A, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

200 amp

Alternator Finish:

Chrome

$448.99

/each

$590.00

-19%

Powermaster |

#25558315

Powermaster 58315 Street Alternator, 200A, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

200 amp

Alternator Finish:

Powder Coated

$421.99

/each

$521.25

$122 Off

Powermaster |

#25548315

Powermaster 48315 Street Alternator, 200A, Serpentine, 12V, Ford

One Wire Alternator:

Alternator Amperage:

200 amp

Alternator Finish:

Natural

$333.99

/each

$456.25

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Mercury Alternators

Model

One Wire Alternator

Brand

Application

Department

Availability

Discounts

Engine Family

Price

Customer Rating

Products

Powermaster 48307 Street Alternator, 200A, Serpentine, 12V, Ford

Powermaster 58307 Street Alternator, 200A, Serpentine, 12V, Ford

Powermaster 57753 Street Alternator, 140A, Serpentine, 12V, Ford

Powermaster 677811 Street Alternator, 200A, Serpentine, 12V, Ford

Powermaster 17753 Street Alternator, 140A, Serpentine, 12V, Ford

Related Articles

Powermaster 47753 Street Alternator, 140A, Serpentine, 12V, Ford

Powermaster 57781 Street Alternator, 200A, Serpentine, 12V, Ford

Powermaster 37781 Street Alternator, 200A, Serpentine, 12V, Ford

Powermaster 47781 Street Alternator, 200A, Serpentine, 12V, Ford

Powermaster 8-37140-344 Alternator, 140 Amp, Ford

Powermaster 8-67141-344 Smooth Look Alternator, 140 Amp, Ford

Powermaster 377811 Street Alternator, 200A, Serpentine, 12V, Ford

Powermaster 477811 Street Alternator, 200A, Serpentine, 12V, Ford

Powermaster 8405 Street Alternator, 140A, Serpentine, 12V, Ford

Powermaster 8403 Street Alternator, 140A, Serpentine, 12V, Ford

Powermaster 82011P 12V PowerGEN 39-48 Flathead Alt, Pos. Ground

Powermaster 477871 Street Alternator, 200A, Serpentine, 12V, Ford

Powermaster 82011 12V PowerGEN 39-48 Flathead Alt, Neg. Ground

Powermaster PowerGEN 1939-48 Flathead Ford 1-Wire Alternators, 12-Volt

Powermaster PowerGEN 1939-48 Flathead Ford 1-Wire Alternators, 6-Volt

Powermaster 8-67101-344 Smooth Look Alternator, 100A, V-belt Ford

Powermaster 8-37101-344 Smooth Look Alternator, 100A, V-belt Ford

Powermaster 8-37100-344 Alternator, 100 Amp, Ford

Powermaster 28315 Street Alternator, 140A, Serpentine, 12V, Ford

Powermaster 8-37106 Alternator, 100 Amp

Powermaster 37795 Alternator, 200 Amps, Serpentine, 12V, Ford

Powermaster 67795 Alternator, 200 Amps, Serpentine, 12V, Ford

Powermaster 57795 Alternator, 200 Amps, Serpentine, 12V, Ford

Powermaster 47795 Alternator, 200 Amps, Serpentine, 12V, Ford

Powermaster 577581 Street Alternator, 140A, Serpentine, 12V, Ford

Powermaster 577641 Street Alternator, 200A, Serpentine, 12V, Ford

Powermaster 577681 Street Alternator, 200A, Serpentine, 12V, Ford

Powermaster 7761 Street Alternator, 140A, Serpentine, 12V, Ford

Powermaster 38315 Street Alternator, 200A, Serpentine, 12V, Ford

Powermaster 58315 Street Alternator, 200A, Serpentine, 12V, Ford

Powermaster 48315 Street Alternator, 200A, Serpentine, 12V, Ford

Popular Makes and Parts

Models: