WAI 11399N Alternator

Alternator for Buick Encore and Chevrolet Trax

WAI 11399N is a 130 amp alternator built for vehicles that rely on stable charging output and consistent electrical performance. It is a 100% new unit, not remanufactured, with an internal regulator and internal fan for OE-style replacement service.

Compatible with select Buick Encore, Chevrolet Trax, and Chevrolet Cruze applications, this alternator includes a 6-groove serpentine pulley with clutch design for the listed Valeo configurations.

Key Features

• 130 amp amperage rating for modern vehicle electrical demand
• 100% new construction, not remanufactured
• Internal fan and internal regulator
• 6-groove serpentine pulley included
• Decoupled clutch pulley included
• Valeo family replacement design

Detailed Description

WAI 11399N alternator is engineered for direct replacement in select GM compact vehicles using Valeo charging system configurations. The unit is built with proprietary components and manufacturing processes to support long service life and consistent output. This part cross-references BBB Industries 11399 for the same application.

Fits 2017-2021 Buick Encore, N/A, Valeo IR/IF 130 Amp with 6 Grove Clutch Pulley. Fits 2015 Buick Encore, N/A, Valeo IR/IF 130 Amp with 6 Grove Clutch Pulley. Fits 2013 Buick Encore, N/A, Valeo IR/IF 130 Amp with 6 Grove Clutch Pulley. Fits 2017-2021 Chevrolet Trax, N/A, Valeo IR/IF 130 Amp with 6 Grove Clutch Pulley. Fits 2013-2015 Chevrolet Trax, N/A, Valeo IR/IF 130 Amp with 6 Grove Clutch Pulley. Fits 2016 Buick Encore, N/A, Valeo 130 Amp. Fits 2014 Buick Encore, N/A, Valeo 130 Amp. Fits 2016 Chevrolet Trax, N/A, Valeo 130 Amp. Fits 2011 Chevrolet Cruze, N/A, Valeo IR/IF 130 Amp with 6 Grove Clutch Pulley. Fits 2010 Chevrolet Cruze, N/A, Valeo 130 Amp.

What It Helps Solve

• Low charging output or battery warning lights
• Dim headlights and unstable accessory performance
• Charging system failure on Valeo-equipped Buick Encore and Chevrolet Trax models
• Alternator noise related to pulley or internal component wear
• Starting issues caused by insufficient alternator output

Installation Notes and Tips

Verify the vehicle’s original alternator style, amperage rating, pulley groove count, and clutch pulley configuration before installation. Confirm the application matches the listed Valeo IR/IF or Valeo 130 amp setup for your Buick Encore, Chevrolet Trax, or Chevrolet Cruze. Inspect the serpentine belt condition and charging system connections during replacement.

Quality Assurance

WAI builds this alternator as a new replacement unit using proprietary components and processes to support maximum life and performance in the specified applications.