Bosch 000-906-77-03 Three-Phase Alternator 190 Amp 14V

The Bosch 000-906-77-03 is a high-output three-phase alternator engineered to OE specifications for Mercedes-Benz vehicles. This alternator converts mechanical energy from the engine into electrical power to keep your battery charged and ensure all electrical components function reliably.

Key Specifications:

• Output: 14V, 190 Amp
• Three-phase design for stable, efficient power generation
• Bosch OE-quality engineering and construction
• Direct replacement for Mercedes-Benz OEM part
• Permanent magnet design for improved efficiency
• Clockwise rotation with 6-groove serpentine pulley

Cross-Reference Part Numbers:

• Bosch: 0125812010, 0125812011, 0125812057, 0125812058, 0125812063, 0125812064
• Mercedes-Benz: 000-906-77-03-80, 000-906-77-03-60, 000-906-77-03-88, A0009067703

This premium alternator ensures reliable electrical system performance with OE-level fitment accuracy. Common symptoms of alternator failure include dimming headlights, battery warning light illumination, and electrical component malfunctions. Diagnostic trouble codes P0562 (System Voltage Low) and P0620 (Generator Control Circuit Malfunction) may also indicate alternator issues.