1978 Mercury Cougar Chevy Big Block V8 Mark IV 396 L34 Alternators

10 products fit your

1978 Mercury Cougar

Chevy Big Block V8 Mark IV 396 L34

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100 amp

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Fitment

1978 Mercury Cougar

Engine Family

Chevy Big Block V8

Engine Version

Mark IV

Displacement

396

Engine Code

L34

Department

Street

Application

Muscle Car

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 |

#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 |

#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 |

#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

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.

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.

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 |

#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

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 |

#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 |

#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

Speedway Motors |

#2891001

GM 10SI 1 Wire Alternator, 110 Amp

(34)

One Wire Alternator:

Yes

Alternator Amperage:

110 amp

Pulley Style:

V-belt

as low as

$149.99

/each

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1978 Mercury Cougar Chevy Big Block V8 Mark IV 396 L34 Alternators

Alternator Amperage

Brand

Availability

Discounts

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

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

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

Related Articles

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

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

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

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

GM 10SI 1 Wire Alternator, 110 Amp

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