ATG12728 High Output Alternator 10480321 10480361 10464410 for Chevrolet Cavalier Pontiac Sunfire 2.2L L4 1999–2002 | 14.5V 160A Replacement

Part Numbers

Product Description

The ATG12728 High Output Alternator is an aftermarket replacement charging unit designed for specified Chevrolet Cavalier and Pontiac Sunfire models equipped with the 2.2L (134 cu. in.) inline four-cylinder engine from 1999 through 2002. With a rated output of 160 amps and a 14.5V system specification, it is intended for compatible applications requiring high-output charging capacity.

This alternator cross-references Delco part numbers 10464410, 10464431, 10480321, and 10480361, as well as Lester 8275-2. These references help identify the replacement unit and compare it with the original alternator. Because output ratings and physical configurations can vary by vehicle equipment, confirm the original part number and charging system requirements before ordering.

The ATG12728 is intended for compatible vehicles listed in the fitment table below. Check the engine size, model year, mounting points, pulley arrangement, electrical connector, and original alternator reference to help ensure correct installation and operation.

Key Features

• High-Output Performance: Rated at 160A with a 14.5V specification for compatible charging systems.

• Broad Cross-Reference Coverage: Replaces selected Delco and Lester-referenced alternators.

• Targeted Vehicle Fitment: Listed for 2.2L Chevrolet Cavalier and Pontiac Sunfire models from 1999–2002.

Product Specifications

Vehicle Fitment