WAI 11058N Alternator

Reliable Alternator Replacement for Saab 9-2X and Subaru Models

The WAI 11058N alternator is designed to provide consistent electrical charging and starting performance for select Saab and Subaru vehicles. Engineered with an internal fan and regulator, this alternator supports the demanding electrical systems of the Saab 9-2X, Subaru Forester, and Subaru Impreza.

• 12-volt electrical system compatibility
• Internal fan type for efficient cooling
• Clockwise (right) rotation direction
• Includes a 5-groove serpentine pulley
• Internal voltage regulator for stable output
• 90-amp amperage rating suitable for standard vehicle electrical loads
• Compatible with Mitsubishi alternator family

Technical Details and Features

The WAI 11058N alternator features an internal fan that helps maintain optimal operating temperatures, reducing wear and extending service life. Its clockwise rotation matches the original equipment specifications for the Saab 9-2X and Subaru Forester and Impreza models. The included pulley has five grooves designed for serpentine belts, ensuring proper belt alignment and tension. An internal voltage regulator maintains consistent electrical output, protecting your vehicle’s battery and electrical components. Rated at 90 amps, this alternator supports the electrical demands of your vehicle without the need for a decoupled or clutch pulley.

Compatible Vehicles and Applications

This alternator is compatible with the following vehicles:

• Saab 9-2X
• Subaru Forester
• Subaru Impreza

It is ideal for replacing worn or failing alternators that cause issues such as battery drain, dimming lights, or starting difficulties.

Common Issues Addressed by the WAI 11058N Alternator

• Battery not charging properly
• Electrical system voltage fluctuations
• Dimming or flickering headlights
• Difficulty starting the engine
• Unusual noises from the alternator pulley area

Installation Notes and Tips

When installing the WAI 11058N alternator, ensure the serpentine belt is properly aligned with the 5-groove pulley. Verify the rotation direction matches the original alternator to avoid premature wear. Since this alternator includes an internal voltage regulator and pulley, no additional components are required for installation. Always disconnect the battery before beginning replacement to prevent electrical shorts.

Quality Assurance and Warranty

WAI alternators are manufactured to meet OEM specifications, ensuring reliable performance and durability. The 11058N alternator undergoes rigorous testing to verify electrical output and mechanical integrity. Please refer to WAI’s warranty policy for specific coverage details.