MPA Electrical 13889 Alternator

Remanufactured Alternator for Subaru and Saab

MPA Electrical Part Number 13889 is a remanufactured 12-volt alternator built for charging-system service on select Subaru and Saab applications. It uses an internal regulator, internal fan, clockwise rotation, and a 5-groove serpentine pulley to match the specified OE-style configuration.

This remanufactured MPA Electrical alternator is built by Mitsubishi and rated at 90 amps for steady electrical output in daily driving conditions. It is a direct-fit charging component for Subaru Baja, Forester, Impreza, Legacy, and Outback models, plus the 2005 Saab 9-2X.

Key Features

• 90 amp output for 12-volt charging systems
• Internal regulator for integrated voltage control
• Internal fan design
• Clockwise rotation
• 5-groove serpentine pulley
• Mitsubishi manufacturer specification
• Remanufactured MPA Electrical part 13889

Product Details

MPA Electrical 13889 is a remanufactured alternator for Subaru and Saab vehicles that require a Mitsubishi-built unit with a 5-groove serpentine pulley and internal regulation. The 90 amp design supports the vehicle charging system by replenishing battery power and supplying electrical demand from the engine-driven accessory system. This part number 13889 is listed for 2003-2006 Subaru Baja, 2005 Saab 9-2X, 2003-2005 Subaru Forester, 2005 Subaru Impreza, 2000-2004 Subaru Legacy, and 2001-2004 Subaru Outback.

This part cross-references BBB Industries 13889 for the same application.

Common Replacement Reasons

• Battery warning light or charging-system warning light
• Low charging output at the battery
• Dim lights or unstable electrical performance
• Noise from a worn alternator bearing or internal component
• Charging failure after alternator wear or electrical damage

Installation Notes

Verify pulley groove count, rotation direction, and connector style before installation. Confirm the vehicle uses a 12-volt system and the specified Mitsubishi alternator configuration. After installation, check charging voltage at idle and under electrical load to confirm proper system operation. For fitment searches, this alternator covers 2003-2006 Subaru Baja, 2003-2005 Subaru Forester, 2005 Subaru Impreza, 2000-2004 Subaru Legacy, 2001-2004 Subaru Outback, and 2005 Saab 9-2X.

Quality Assurance

MPA Electrical remanufactured components are rebuilt for charging-system replacement use and matched to the listed application details, including amperage, pulley type, rotation, and regulator style.