G 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...

G 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 OEM...

E Series 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 totally durable for daily use,...

Based on late model hairpin stator technology, the tried-and-true E series of alternators have increadible ouptut at idle. Reasonably priced and very durable, these units feature twin custom rectifiers and 12 huge diodes for great durability. You won't...

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.  ((Check...

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.  ((Check...

S Series The S series of 6 phase alternators offers incredible output in a compact and durable package. 12 diodes, twin rectifier plates and outstanding airflow ensure long service life, even in severe conditions. The 240 amp model offers the best...

The MechMan 170 amp racing alternator for GM LS truck provides vastly improved durability over the stock large case truck alternator at a great price. This 6 phase unit cranks out over 120 amps at idle with a high-RPM friendly stock diameter alternator...

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 alternators totally durable for daily...

This 240 amp alternator for 1996-2004 GM trucks and SUV's cranks out tons of power at a great price. This unit features a solid copper positive rectifier plate, with (6) oversize 65 amp press fit diodes for great durability in daily driven applications...

E Series 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 totally durable for daily use,...

This outstanding large case alternator features 6 phase Hairpin stator technology, twin rectifier plates, and 12 massive diodes for outstanding durability. In diesel applications, this unit can crank out as much as 180 amps at idle while still...