GMC
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On Sale
E Series 400 amp Red Billet GM truck 05-13
Mechman
Now: Ft177755Was: Ft197506Installation 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. ((Check...B8302400RDNow: Ft177755Was: Ft197506 -
On Sale
E Series 370 amp Black Billet for 2 pin GM truck
Mechman
Now: Ft159954Was: Ft177727E Series Newly redesigned for 2020, The Elite series offers the highest possible amperage and durability available in a large case alternator. 6 phase technology combined with massive twin rectifier assemblies and 12 diodes makes these alternators...B8302370BNow: Ft159954Was: Ft177727 -
On Sale
E Series 400 Amp Red Billet GM Truck
Mechman
Now: Ft177755Was: Ft197506Installation 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. The Elite...B8206400RDNow: Ft177755Was: Ft197506 -
On Sale
E Series 400 Amp Blue Billet GM Truck
Mechman
Now: Ft177755Was: Ft197506Installation 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...B8206400BLNow: Ft177755Was: Ft197506 -
On Sale
E Series 400 Amp Black Billet GM Truck
Mechman
Now: Ft177755Was: Ft197506Installation 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. The Elite...B8206400BNow: Ft177755Was: Ft197506 -
On Sale
High output 370 Amp Black Billet Alternator for 14-18 GM Silverado Sierra Suburban Tahoe Escalade
Mechman
Now: Ft159954Was: Ft177727Installation 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. ((Check...B14019370BNow: Ft159954Was: Ft177727 -
On Sale
170 amp racing alternator - 63-85 GM - Polished (includes 2 pulleys)
Mechman
Now: Ft109094Was: Ft121216The S series of 6 phase hairpin alternators offers incredible low RPM 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...7127170PNow: Ft109094Was: Ft121216 -
On Sale
170 am racing alternator - 63-85 GM - Chrome (includes 2 pulleys)
Mechman
Now: Ft114180Was: Ft126867The S series of 6 phase hairpin alternators offers incredible low RPM 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...7127170CNow: Ft114180Was: Ft126867 -
On Sale
170 amp racing alternator for 1963-1985 GM - BLACK (includes 2 pulleys)
Mechman
Now: Ft88751Was: Ft98612The S series of 6 phase hairpin alternators offers incredible low RPM 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...7127170BNow: Ft88751Was: Ft98612 -
On Sale
E Series 370 amp Alt for select GM 3.6L/3.0L
Mechman
Now: Ft152325Was: Ft169250E Series Newly redesigned for 2020, The Elite series offers the highest possible amperage and durability available in a large case alternator. 6 phase technology combined with massive twin rectifier assemblies and 12 diodes makes these alternators...11252370Now: Ft152325Was: Ft169250 -
On Sale
240 amp high output alternator Enclave / Acadia 3.6L
Mechman
Now: Ft109094Was: Ft121216The Elite series offers the highest possible amperage and durability available in a large case alternator. 6 phase technology combined with massive twin rectifier assemblies and 12 diodes makes these alternators totally durable for daily use, while still...11252240Now: Ft109094Was: Ft121216 -
On Sale
240 Amp Alternator for GM 4.2L 6 cylinder with 2 pin Plug
Mechman
Now: Ft88751Was: Ft98612G Series Based on our late model large case GM housings, the tried-and-true G series of alternators are our best sellers. Reasonably priced, these units feature solid copper custom rectifiers with huge 65 amp diodes for great durability. Premium...8498240Now: Ft88751Was: Ft98612