MPA Electrical 10172 Alternator

Remanufactured Alternator for GM Applications

MPA Electrical Part Number 10172 is a remanufactured 12-volt alternator built for charging-system service on select GM vehicles. It delivers 150 amps with an internal regulator, internal fan, clockwise rotation, and a 5-groove serpentine decoupling pulley for the specified applications.

Compatible With 2013-2021 Cadillac, Buick, Chevrolet, and GMC models listed below, this alternator supports vehicles that need a direct replacement for OE-style charging performance. Part number 10172 is also cross-referenced to 11795 for the same application.

Key Features

• 150 amp output for charging-system replacement
• 12-volt remanufactured alternator
• Internal regulator and internal fan
• Clockwise rotation
• 5-groove serpentine decoupling pulley
• Manufacturer: Nippondenso
• Clock position: 9:00

Detailed Description

MPA Electrical 10172 is a remanufactured alternator engineered for vehicles using a Nippondenso-style charging system. The internal regulator and internal fan support stable electrical output, while the 5-groove serpentine decoupling pulley matches the listed OE-style configuration. This part number 10172 is a direct replacement option for drivers servicing charging concerns on Cadillac ATS and CTS, Buick Envision, Chevrolet Traverse, and GMC Acadia applications.

Fits 2013-2015 Cadillac ATS, N/A, w/ Start/Stop Feature; Remanufactured. Fits 2014-2015 Cadillac CTS, N/A, w/ Start/Stop Feature; Remanufactured. Fits 2016-2020 Buick Envision, N/A, Remanufactured. Fits 2017-2021 GMC Acadia, N/A, Remanufactured. Fits 2018-2019 Chevrolet Traverse, N/A, Remanufactured.

Common Issues This Part May Solve

• Battery warning light caused by low charging output
• Dim lights or unstable electrical performance
• Battery not maintaining charge during normal driving
• Charging-system failure from a worn alternator
• Voltage irregularities in start/stop-equipped vehicles

Installation Notes and Tips

Verify pulley style, connector layout, rotation, and clock position before installation. Confirm the vehicle’s charging-system requirements and match the listed fitment exactly, especially on start/stop-equipped Cadillac ATS and CTS models. Inspect the belt, tensioner, and battery condition during alternator replacement to help avoid repeat charging complaints.

Quality Assurance

MPA Electrical remanufactured parts are rebuilt for replacement use in the specified applications and are intended to meet the fitment and electrical specifications listed for this alternator.