WAI 11148N Alternator

Reliable Alternator for Chevrolet, GMC, Hummer, and Isuzu Vehicles

The WAI 11148N alternator is designed to provide consistent electrical charging and starting performance for select Chevrolet, GMC, Hummer, and Isuzu models. Engineered with an internal fan and regulator, this alternator supports the demanding electrical needs of your vehicle.

• 12-volt electrical system compatibility
• Internal fan type for efficient cooling
• Clockwise (right) rotation direction
• Includes a 6-groove serpentine pulley
• Internal voltage regulator for stable output
• 125-amp amperage rating suitable for heavy electrical loads
• Compatible with Valeo family components

Technical Details and Features

The WAI 11148N alternator features an internal fan that helps maintain optimal operating temperatures, enhancing durability and performance. Its clockwise rotation and 6-groove serpentine pulley ensure compatibility with the belt systems found in Chevrolet Canyon, GMC Colorado, Hummer H3 and H3T, as well as Isuzu i-290 and i-370 models. The internal voltage regulator maintains consistent voltage output, protecting your vehicle’s electrical system from fluctuations. With a 125-amp rating, this alternator supports vehicles with higher electrical demands, including those with additional accessories or upgraded audio systems.

Compatible Vehicles and Applications

This alternator is specifically designed for use in the following vehicles:

• Chevrolet Canyon
• GMC Colorado
• Hummer H3 and H3T
• Isuzu i-290 and i-370

It is ideal for replacing worn or failing alternators in these models to restore reliable charging and starting functions.

Common Issues Addressed by the WAI 11148N Alternator

• Battery not charging properly or frequently dying
• Dim or flickering headlights and electrical accessories
• Warning lights related to charging system on the dashboard
• Unusual noises from the alternator pulley or belt area
• Intermittent electrical failures or vehicle stalling

Installation Notes and Tips

When installing the WAI 11148N alternator, ensure the serpentine belt is properly aligned with the 6-groove pulley. Verify the rotation direction matches the original alternator to avoid mechanical issues. Since this alternator includes an internal voltage regulator, external regulators are not required. It is recommended to inspect the battery and electrical connections during installation to ensure optimal performance.

Quality Assurance and Warranty

WAI alternators are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The 11148N alternator is part of the Valeo family, known for quality electrical components. Please refer to the product documentation or supplier for specific warranty details related to this part number.