Hitachi Auto Products LR1190-905C 12V 190 Amp Water-Cooled Alternator

The Hitachi Auto Products LR1190-905C is a high-output water-cooled alternator engineered for demanding automotive electrical systems. This genuine Hitachi unit delivers reliable 12-volt power with a robust 190-amp output capacity, ensuring consistent performance for all electrical components and accessories.

Key Specifications:

• Voltage: 12V
• Amperage: 190 Amps
• Cooling: Water-cooled design for enhanced thermal management
• Regulator: Internal regulator with 2:00 clock position
• Pulley: 7-groove serpentine pulley, 2.362" (60mm) OD
• Serpentine groove OD: 2.22" (56.4mm)
• Polarity: Negative ground
• Mounting: Four-ear configuration with M8-1.25 threaded and 9.1mm unthreaded holes

This alternator features an advanced water-cooling system that helps maintain optimal operating temperatures under high-load conditions. The internal voltage regulator ensures precise charging control, while the 7-groove serpentine pulley provides reliable belt engagement. Manufactured in Japan by Hitachi, this unit meets or exceeds OEM specifications for quality and performance.

OEM Cross-References: Replaces Audi/Volkswagen part numbers 077-903-015Q, 077-903-015QX, and Hitachi part numbers LR1190-905, LR1190-905B.