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Alternators
High-Output Car Audio Alternators are built to supply consistent, high-current power for demanding audio systems. Designed for daily drivers, demo vehicles, and competition-level builds, these alternators deliver increased amperage at idle and under load, helping eliminate voltage drop, dimming lights, and power loss. Whether you’re running big amplifiers, multiple batteries, or full electrical upgrades, high-output alternators keep your system charged, stable, and ready to perform.
1963-1965 Chevrolet Bel Air V8 6.7L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1965 Chevrolet Bel Air 6.7L. Being a direct fit, this alternat...
View full details1963-1965 Chevrolet C20 Pickup L6 3.8L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1965 Chevrolet C20 Pickup 3.8L. Being a direct fit, this alter...
View full details1963-1965 Chevrolet K20 Pickup L6 3.8L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1965 Chevrolet K20 Pickup 3.8L. Being a direct fit, this alter...
View full details1963-1965 Chevrolet P20 Series L6 3.8L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1965 Chevrolet P20 Series 3.8L. Being a direct fit, this alter...
View full details1963-1965 Chevrolet P10 Series L4 2.5L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1965 Chevrolet P10 Series 2.5L. Being a direct fit, this alter...
View full details1963-1966 Chevrolet Suburban V8 4.6L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1966 Chevrolet Suburban 4.6L. Being a direct fit, this alterna...
View full details1963-1965 Chevrolet Biscayne V8 6.7L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1965 Chevrolet Biscayne 6.7L. Being a direct fit, this alterna...
View full details1963-1965 Chevrolet Impala L6 3.8L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1965 Chevrolet Impala 3.8L. Being a direct fit, this alternato...
View full details1963-1965 Chevrolet Bel Air L6 3.8L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1965 Chevrolet Bel Air 3.8L. Being a direct fit, this alternat...
View full details1963 Buick Skylark V8 3.5L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963 Buick Skylark 3.5L. Being a direct fit, this alternator fits directly int...
View full details1963 Chevrolet Chevy II L6 3.2L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963 Chevrolet Chevy II 3.2L. Being a direct fit, this alternator f...
View full details1963-1966 Chevrolet Suburban L6 3.8L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1966 Chevrolet Suburban 3.8L. Being a direct fit, this alterna...
View full details1963-1965 Chevrolet C30 Pickup L6 3.8L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1965 Chevrolet C30 Pickup 3.8L. Being a direct fit, this alter...
View full details1962-1968 Chevrolet Chevy II L4 2.5L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1962-1968 Chevrolet Chevy II 2.5L. Being a direct fit, this alterna...
View full details1963-1964 Oldsmobile Super 88 V8 6.5L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1964 Oldsmobile Super 88 6.5L. Being a direct fit, this altern...
View full details1963 Oldsmobile Cutlass V8 3.5L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963 Oldsmobile Cutlass 3.5L. Being a direct fit, this alternator f...
View full details1963 Oldsmobile F85 V8 3.5L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963 Oldsmobile F85 3.5L. Being a direct fit, this alternator fits ...
View full details1963-1965 Chevrolet P30 Series L6 3.8L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1965 Chevrolet P30 Series 3.8L. Being a direct fit, this alter...
View full details1963 Cadillac Series 60 Fleetwood V8 6.4L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963 Cadillac Series 60 Fleetwood 6.4L. Being a direct fit, this alternator fi...
View full details1963 Cadillac DeVille V8 6.4L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963 Cadillac DeVille 6.4L. Being a direct fit, this alternator fits directly ...
View full details1963-1965 Buick Riviera V8 6.6L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1965 Buick Riviera 6.6L. Being a direct fit, this alternator fits directl...
View full details1963-1965 Chevrolet Biscayne L6 3.8L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1965 Chevrolet Biscayne 3.8L. Being a direct fit, this alterna...
View full details1963-1966 Pontiac Bonneville V8 6.4L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1966 Pontiac Bonneville 6.4L. Being a direct fit, this alterna...
View full details1963-1966 Pontiac Bonneville V8 6.9L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1966 Pontiac Bonneville 6.9L. Being a direct fit, this alterna...
View full details1963-1964 Oldsmobile Dynamic V8 6.5L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1964 Oldsmobile Dynamic 6.5L. Being a direct fit, this alterna...
View full details1963-1964 Oldsmobile Starfire V8 6.5L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1964 Oldsmobile Starfire 6.5L. Being a direct fit, this altern...
View full details1963 Buick Special V6 3.2L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963 Buick Special 3.2L. Being a direct fit, this alternator fits directly int...
View full details1963 Cadillac Series 62 V8 6.4L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963 Cadillac Series 62 6.4L. Being a direct fit, this alternator fits directl...
View full details1963 Buick Special V8 3.5L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963 Buick Special 3.5L. Being a direct fit, this alternator fits directly int...
View full details1963-1966 Buick Wildcat V8 6.6L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1966 Buick Wildcat 6.6L. Being a direct fit, this alternator fits directl...
View full details1962-1964 Buick LeSabre V8 6.6L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1962-1964 Buick LeSabre 6.6L. Being a direct fit, this alternator fits directl...
View full details12SI Motor Swap High Output Alternator - One Wire Turn On
JS AlternatorsHairpin units are commonly called 6 phase. They produce more output at idle and are more efficient than a conventional alternator. JS Alternators h...
View full details1963 Cadillac Eldorado V8 6.4L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963 Cadillac Eldorado 6.4L. Being a direct fit, this alternator fits directly...
View full details1962-1963 Buick Invicta V8 6.6L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1962-1963 Buick Invicta 6.6L. Being a direct fit, this alternator fits directly into ...
View full details1963-1964 Oldsmobile 98 V8 6.5L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1964 Oldsmobile 98 6.5L. Being a direct fit, this alternator f...
View full details12SI Racing High Output Alternator - One Wire Turn On
JS AlternatorsHairpin units are commonly called 6 phase. They produce more output at idle and are more efficient than a conventional alternator. JS Alternators h...
View full details1963-1966 GMC Suburban L6 3.8L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1963-1966 GMC Suburban 3.8L. Being a direct fit, this alternator fits directly into ...
View full details14007 GM Truck High Output Alternator LS Bracket - One Wire Turn On
JS AlternatorsHairpin units are commonly called 6 phase. They produce more output at idle and are more efficient than a conventional alternator. JS Alternators ...
View full details14009 GM Truck High Output Alternator LS Bracket - One Wire Turn On
JS AlternatorsHairpin units are commonly called 6 phase. They produce more output at idle and are more efficient than a conventional alternator. JS Alternators ...
View full details1962-1966 Buick Electra V8 6.6L 12si High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1962-1966 Buick Electra 6.6L. Being a direct fit, this alternator fits directl...
View full details1991 Buick Reatta V6 3.8L cs144 High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1991 Buick Reatta 3.8L. Being a direct fit, this alternator fits directly into your s...
View full details1987 Oldsmobile 98 V6 3.8L cs144 High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1987 Oldsmobile 98 3.8L. Being a direct fit, this alternator fits directly into your ...
View full details1987 Buick Electra V6 3.8L cs144 High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1987 Buick Electra 3.8L. Being a direct fit, this alternator fits directly into your ...
View full details2002-2007 Ford Taurus V6 3.0L High Output Alternator (Vin S)
JS AlternatorsFitment: This is a direct fit high-output alternator for the 2002-2007 Ford Taurus 3.0L. Being a direct fit, this alternator fits directly into yo...
View full details1987 Oldsmobile Delta 88 V6 3.8L cs144 High Output Alternator
JS AlternatorsFitment: This is a direct fit high-output alternator for the 1987 Oldsmobile Delta 88 3.8L. Being a direct fit, this alternator fits directly into...
View full details