High-output street alternator designed for GM-based applications including Buick, Oldsmobile, Pontiac, Chevrolet, and GMC. This alternator delivers 150 amps of output, making it well suited for vehicles with added electrical loads such as electric fans, fuel pumps, upgraded lighting, and audio systems.

Built in a GM 10SI / 10DN / 12SI case style, this alternator features an internal voltage regulator and one-wire capable operation for simplified wiring. It is supplied with a single-groove V-belt pulley and finished in a natural aluminum appearance. A baffle is included to support proper cooling and performance.

Designed for 12-volt electrical systems, this alternator provides dependable charging performance while maintaining compatibility with many factory-style mounting brackets.

• Street alternator
• 150 amp output
• GM 10SI / 10DN / 12SI case style
• Internal voltage regulator
• One-wire capable
• 12-volt system compatible
• Natural finish
• Single-groove V-belt pulley included
• Regulator included
• Includes baffle
• Not remanufactured
• Brackets not included
• Belt not included
• Sold individually