WAI 13889N Alternator

Alternator for Subaru and Saab Applications

This WAI alternator is a 100% new replacement built for vehicles that need reliable charging output and consistent electrical performance. Part number 13889N is engineered for Subaru and Saab applications that use a Mitsubishi-family alternator with a serpentine pulley setup.

• 90 amp amperage rating for steady charging output
• 100% new unit, not remanufactured
• Internal fan design
• Internal voltage regulator
• Clockwise (right) rotation
• 5-groove pulley included
• Serpentine belt type
• Mitsubishi family alternator design

Fitment Details

• Fits 2003-2006 Subaru Baja, N/A
• Fits 2005 Saab 9-2X, N/A
• Fits 2003-2005 Subaru Forester, N/A
• Fits 2005 Subaru Impreza, N/A
• Fits 2000-2004 Subaru Legacy, N/A
• Fits 2000-2004 Subaru Outback, N/A

Product Overview

WAI builds this alternator to deliver the amp output needed by modern vehicle electrical systems. The 13889N uses proprietary components and manufacturing processes to support long service life and dependable performance in daily driving conditions. It is a direct replacement choice for Subaru Baja, Forester, Impreza, Legacy, and Outback models, as well as the 2005 Saab 9-2X.

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

Common Replacement Reasons

• Battery warning light or charging system fault
• Low charging voltage at idle or under load
• Dim lights, weak accessories, or intermittent electrical operation
• Noise or wear from a failing alternator assembly
• Need for a direct replacement alternator with pulley included

Installation Notes

Verify pulley groove count, belt type, rotation direction, and connector match before installation. Confirm the vehicle uses a Mitsubishi-family alternator layout and a 90 amp charging specification. Always inspect the belt, battery condition, and charging circuit during replacement to help ensure proper system operation.

Quality Assurance

WAI states that this alternator is manufactured as a new unit using proprietary components and processes to support maximum life and performance. Part number 13889N is built for consistent output and dependable charging-system service.