ATG11705 Alternator 15145637 25758348 104210-3300 for Buick LeSabre Pontiac Bonneville 3.8L V6 2004 2005 140 Amp Replacement

Part Numbers

Product Description

The ATG11705 Alternator is an aftermarket replacement designed for selected Buick LeSabre and Pontiac Bonneville vehicles equipped with the 3.8L (231 cu. in.) V6 engine. Rated at 12 volts and 140 amps, this alternator supplies electrical power to vehicle systems and supports battery charging during normal operation.

This alternator features clockwise (CW) rotation, an internal regulator (IR), and an S6 pulley class with a six-groove pulley configuration. These specifications are important when matching the replacement to the original charging system, belt arrangement, and electrical setup.

The ATG11705 cross-references General Motors part numbers 15145637 and 25758348, Denso numbers 104210-3300 and 104210-4540, Arrowhead references 400-52349R and VND0291, Lester 11035, and Victory Industrial Corp. VDN11400104-A. Listed applications include the 2004–2005 Buick LeSabre and Pontiac Bonneville with a 3.8L V6 engine. Verify the original alternator number, pulley configuration, mounting points, and electrical connector before ordering.

Key Features

• Product SKU: ATG11705

• Product Type: Automotive Alternator

• Condition: Aftermarket Part

• Voltage: 12V

• Amperage: 140A

• Rotation: Clockwise (CW)

• Regulator Type: Internal (IR)

• Pulley Class: S6

• Pulley Configuration: Six-groove pulley

• Compatible Engine: 3.8L (231 cu. in.) V6

• Listed Vehicles: Buick LeSabre and Pontiac Bonneville

• General Motors References: 15145637, 25758348

• Denso References: 104210-3300, 104210-4540

Product Specifications

Vehicle Fitment