Alternators - Chevrolet - Impala SS

5.3L

5.7L

E Series Billet 370A alt - Fits 6/12 CS144 - Black finish

Installation Notes: This unit comes equipped with a smaller 1.75 inch diameter alternator pulley, and will require a slightly shorter drive belt for proper belt tension. Not recommended for sustained use above 5,000 RPM engine speed. E Series ...

MSRP:

Was:

Now: $629.00

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S Series 240 amp alternator for 5.3L FWD GM Car

S Series The S series of 6 phase alternators offers incredible output in a compact and durable package. Highly efficient, these units use less horsepower than conventional 3 phase alternators. 12 diodes, twin rectifier plates and outstanding airflow...

MSRP:

Was:

Now: $429.00

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E Series Billet 250A alt - Fits 6/12 CS144 - BLACK finish

E Series Newly redesigned for 2020, The Elite series 250 amp alternator offers great output at idle RPM and excellent durability in a direct-bolt-in package. 6 phase technology, combined with massive twin rectifier assemblies and 12 diodes makes these...

MSRP:

Was:

Now: $524.00

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E Series Billet 250A alt - Fits 6/12 CS144 - Machined finish

E Series Newly redesigned for 2020, The Elite series 250 amp alternator offers great output at idle RPM and excellent durability in a direct-bolt-in package. 6 phase technology, combined with massive twin rectifier assemblies and 12 diodes makes these...

MSRP:

Was:

Now: $524.00

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E Series Billet 370A alt - Fits 6/12 CS144 - Black finish *** BSTOCK ***

Installation Notes: This unit comes equipped with a smaller 1.75 inch diameter alternator pulley, and will require a slightly shorter drive belt for proper belt tension. Not recommended for sustained use above 5,000 RPM engine speed. E Series ...

MSRP:

Was: $629.00

Now: $503.20

add Add to Cart

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400 amp - Fits 6 & 12 CS144 - Cast case *** CUSTOM FITMENT ONLY ***

This newly introduced CAST version of our already eye-catching Billet versions packs the same modern 6 phase hairpin technology but in a more budget friendly and paintable case! Great for applications where you need the 200 amps at idle and 400+...

MSRP:

Was:

Now: $549.00

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250 amp - Fits 6/12 CS144 - Cast case

This newly introduced CAST version of our already eye-catching Billet versions pack the same modern 6 phase hairpin technology but in a more budget friendly and paintable case! Great for applications where you need the 200 amps at idle and 250+...

MSRP:

Was:

Now: $429.00

addChoose Options

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320-amp alternator for 5.3L FWD GM Car

S Series The S series of 6 phase alternators offers incredible output in a compact and durable package. Highly efficient, these units use less horsepower than conventional 3 phase alternators. 12 diodes, twin rectifier plates and outstanding airflow...

MSRP:

Was:

Now: $519.00

addChoose Options

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E Series Billet 370A alt - Fits 6/12 CS144 - Black finish

S Series 240 amp alternator for 5.3L FWD GM Car

E Series Billet 250A alt - Fits 6/12 CS144 - BLACK finish

E Series Billet 250A alt - Fits 6/12 CS144 - Machined finish

E Series Billet 370A alt - Fits 6/12 CS144 - Black finish * BSTOCK *

400 amp - Fits 6 & 12 CS144 - Cast case * CUSTOM FITMENT ONLY *

250 amp - Fits 6/12 CS144 - Cast case

320-amp alternator for 5.3L FWD GM Car