Power up Big or Go Home with the Pure Power 370 amp alternator. The 370 amp Pure Power alternator is the king in high output alternators giving the maximum 370 amp output built like a tank.

• Installation Note:
  This unit comes equipped with a smaller alternator pulley, and we recommend using a ½ inch shorter drive belt for proper belt tension. For information and help to identify your current belt size and locating the ½ inch shorter belt size needed, refer to our Technical Notes, Reducing Your Vehicle's Belt Size | TAE (tucsonalternator.com). Our smaller drive pulley is not recommended for sustained use above 5,500 RPM engine speeds.
• The highest charging output, at idle, in the industry
• Amazing heat dissipation
• Durable 6phase Hairpin stator technology
• 12 70 amp avalanche diodes for durability
• OEM SKF high heat bearings
• OEM brushes and brush holder for extreme long life
• Every alternator is endurance tested on the most advanced dyno tester in the industry, DV Electronics/Alt-98, to ensure the correct performance specs and durability.