Remy 12387 Alternator

Remanufactured Alternator for Saab 9-5 and 9-3

This Remy Premium Remanufactured alternator is built for 12-volt charging systems and delivers 140 amps of output. It is a direct-fit electrical replacement for select Saab 9-5 and Saab 9-3 applications, including Bosch OE-style configurations.

Key Features

• 140 amp amperage rating for stable charging performance
• 12V alternator with internal voltage regulator
• Internal fan design for integrated cooling
• Clockwise rotation direction
• Pulley included for installation on the correct application
• Remanufactured to support OE-style replacement needs
• OE manufacturer reference: Bosch

Product Details

Remy Premium Remanufactured focuses on replacement electrical components that match the original application requirements. Part number 12387 is a remanufactured alternator for vehicles using a Bosch-style charging system, with internal regulation and a 140 amp output rating. It is listed for Fits 2002-2007 Saab 9-5, N/A and Fits 2002-2003 Saab 9-3, N/A, plus Fits 2002 Saab 9-3, N/A. This part cross-references Bosch-style applications for the same use case.

Common Problems This Part Can Address

• Battery warning light caused by charging system failure
• Low system voltage during driving or idle
• Dim lights or electrical instability from weak alternator output
• Battery drain after the vehicle is running
• Charging performance loss from worn internal alternator components

Installation Notes and Tips

Verify the vehicle’s original alternator specifications before installation, including amperage, rotation direction, pulley configuration, and regulator type. Confirm the application matches the listed Saab 9-5 or Saab 9-3 fitment for part number 12387. Inspect the drive belt, battery condition, and charging cables during replacement to help ensure proper system operation after installation.

Quality Assurance

This Remy Premium Remanufactured alternator is remanufactured for OE-style fit and function in the listed Saab applications. The OE manufacturer reference is Bosch, which helps identify the original system design used for these vehicles.