FWGC 11399R Alternator

Alternator Overview

This alternator is built for charging-system replacement on select Buick and Chevrolet applications. It delivers 130 amps at 12 volts and uses an internal regulator, internal fan, and a decoupled clutch pulley for the specified Valeo-style setup.

Part number 11399R is a direct-reference alternator for vehicles that need the correct serpentine-belt drive and clockwise rotation. It is listed for Buick Encore, Chevrolet Trax, and Chevrolet Cruze applications with Valeo fitment notes.

Key Features

• 130-amp output for modern electrical loads
• 12-volt alternator with internal voltage regulation
• Internal fan design for compact charging-system packaging
• Decoupled clutch pulley with 6-groove serpentine belt drive
• Clockwise rotation, right-hand rotation specification
• Valeo family construction for listed applications

Detailed Description

The 11399R alternator is engineered to supply the amperage required by vehicles with higher electrical demand. Its internal regulator, internal fan, and pulley configuration are matched to the listed Valeo applications, helping maintain proper charging performance and belt operation. For buyers searching for a Buick Encore alternator, Chevrolet Trax alternator, or Chevrolet Cruze alternator, this part number 11399R provides a fitment-specific replacement option.

This part cross-references BBB Industries 11399 for the same application.

Common Replacement Issues

• Battery warning light caused by charging-system failure
• Low output from a worn alternator
• Charging instability from pulley or regulator wear
• Electrical accessory performance problems from insufficient amperage
• Belt drive noise related to alternator pulley wear

Installation Notes

Verify the vehicle’s original alternator specifications before installation, including amperage, pulley style, rotation direction, and connector match. Confirm Valeo-style fitment notes and serpentine belt configuration before replacing the unit. Part number 11399R should be matched to the listed application data for proper installation.

Quality Assurance

Power Select alternators are engineered with proprietary components and manufacturing processes to support long service life and consistent performance.