WAI 11148N Alternator

Alternator for GM and Hummer Applications

This WAI alternator is a 100% new replacement built to deliver the amperage needed for modern vehicle electrical loads. Part number 11148N is engineered with an internal regulator, internal fan, and a 125 amp output for dependable charging performance.

• 125 amp amperage rating for steady electrical output
• 100% new, not remanufactured
• Internal fan design
• Internal voltage regulator
• Clockwise (right) rotation
• 6-groove pulley included for serpentine belt systems
• VALEO family design
• Decoupled or clutch pulley: No

Fitment Details

Compatible with select Chevrolet Colorado, GMC Canyon, Hummer H3, Hummer H3T, Isuzu i-290, and Isuzu i-370 applications. Fits 2007-2012 Chevrolet Colorado, N/A; Fits 2007-2012 GMC Canyon, N/A; Fits 2008-2010 Hummer H3, N/A, 125 Amp; Fits 2009-2010 Hummer H3T, N/A, 125 Amp; Fits 2007-2008 Isuzu i-290, N/A; Fits 2007-2008 Isuzu i-370, N/A; Fits 2007 Hummer H3, N/A.

This part cross-references BBB Industries 11148 for the same application.

What This Alternator Helps Address

• Low charging output or battery warning lights
• Dim lights caused by weak alternator performance
• Electrical system strain from accessories and vehicle electronics
• Charging instability from a failing internal regulator
• Noise or belt drive issues related to alternator wear

Installation Notes and Tips

Verify pulley groove count, belt type, rotation direction, and electrical connector match before installation. Confirm the vehicle uses a serpentine belt system and compare the original unit to WAI 11148N for fitment and connector alignment. For Chevrolet Colorado, GMC Canyon, and Hummer H3 applications, check the charging system after installation to confirm proper output.

Quality Assurance

WAI builds this alternator as a new unit using proprietary components and manufacturing processes to support long service life and consistent performance. The design is focused on providing the amp output required by today’s vehicles.