Bosch 12-31-7-550-319 Premium Remanufactured Alternator - 12V 100A

The Bosch 12-31-7-550-319 is a premium 100% remanufactured alternator engineered to meet or exceed original equipment manufacturer specifications. Bosch is the original manufacturer of this unit, making this a true OEM-grade replacement that restores proper charging system function and long-term reliability.

Key Specifications:

• Voltage: 12V
• Amperage: 100A
• Rotation: Clockwise (CW)
• Fan Type: Internal (IF)
• Regulator: Internal (IR)
• Pulley Class: S6 (6-groove)
• Mount Type: Pad
• B+ Terminal: M8x1.25
• Polarity: Negative ground

Cross-Reference Part Numbers:

• BMW/MINI OEM: 12-31-7-523-897, 12-31-7-550-319, 12-31-7-550-997, 12-31-7-559-223, 12-31-7-559-223-01
• Bosch: 0-124-325-108, 0-124-325-157, 0-124-325-158
• Lester: 11332, 11333
• Remy: 12877
• WAI: 11333N

This remanufactured alternator features an internal voltage regulator and internal cooling fan for efficient, quiet operation. The 6-groove serpentine pulley provides reliable belt engagement, and the pad-mount design ensures a straightforward, direct-fit installation with no modifications required.