MPA Electrical 13774 Alternator

Remanufactured Bosch Alternator for BMW

MPA Electrical Part Number 13774 is a remanufactured 12-volt alternator built for Bosch-equipped BMW charging systems. With 120 amps, an internal fan, and an internal regulator, it is specified for clockwise rotation and a no-pulley design.

This remanufactured alternator is a direct-fit option for select BMW 323Ci, 323i, 328Ci, 328i, and 528i applications with a Bosch alternator setup. The MPA Electrical remanufactured line focuses on restoring core charging performance for OE-style replacement needs.

Key Features

• 120 amp output for BMW charging system service
• 12 volt alternator with internal regulator
• Internal fan design
• Clockwise rotation
• Without pulley configuration
• Built for Bosch alternator applications
• MPA Electrical Part Number 13774

Detailed Description

MPA Electrical 13774 is a remanufactured alternator engineered for BMW vehicles using a Bosch alternator. It matches the listed electrical and mounting specifications, including 120 amps, 12 volts, internal regulation, internal cooling fan, and clockwise rotation. This part number 13774 is also referenced under Bosch 13774 for identification purposes.

Compatible With 2000 BMW 323Ci, N/A; 2000 BMW 323i, N/A; 2000 BMW 328Ci, N/A; 2000 BMW 328i, N/A; and 1998-2000 BMW 528i, N/A, all noted for Bosch alternator applications and remanufactured replacement needs. This part cross-references Bosch (e.g., 13774) for the same application.

What It Helps Address

• Battery warning light caused by alternator output loss
• Low charging voltage during driving
• Dim lights or electrical instability
• Hard starting after the vehicle sits
• Charging system failure on Bosch-equipped BMW models

Installation Notes and Tips

Verify the vehicle uses a Bosch alternator and confirm the no-pulley configuration before installation. Match the amperage, voltage, rotation, and regulator style to the original unit. For BMW 323Ci, 323i, 328Ci, 328i, and 528i applications, compare the connector and mounting points against the removed alternator before final fitment.

Quality Assurance

MPA Electrical remanufactured parts are rebuilt for charging-system replacement service and are identified by part number 13774 for accurate ordering and application matching.