MPA Electrical 10229 Alternator

Remanufactured Alternator for Cadillac ATS and CTS

MPA Electrical Part Number 10229 is a remanufactured 12-volt alternator built for select Cadillac ATS and Cadillac CTS applications. It is specified as a 150-amp unit with an internal regulator, internal fan, clockwise rotation, and a 6-groove serpentine clutch pulley for the correct belt drive setup.

This remanufactured alternator is built by MPA Electrical, a product line focused on restored charging components for direct replacement service. For buyers searching for a 2013-2015 Cadillac ATS alternator or a 2014-2015 Cadillac CTS alternator, Part Number 10229 provides the listed electrical and pulley specifications needed for application matching.

Key Features

• 150 amps output for charging-system replacement
• 12-volt electrical system
• Internal voltage regulator
• Internal cooling fan
• 6-groove serpentine clutch pulley
• Clockwise rotation
• Manufacturer listed as Nippondenso
• Remanufactured by MPA Electrical

Detailed Product Description

MPA Electrical 10229 is a remanufactured alternator engineered for vehicles that use a Nippondenso-style charging unit with the listed mounting and pulley configuration. The 1:30 clock position helps identify the housing orientation during replacement, while the internal regulator supports integrated charging control. This unit is a direct-fit style replacement for 2013-2015 Cadillac ATS and 2014-2015 Cadillac CTS models when the original alternator matches the stated specifications.

This part cross-references Unity Automotive 11786 for the same application.

Vehicle Fitment

• Fits 2013-2015 Cadillac ATS, N/A
• Fits 2014-2015 Cadillac CTS, N/A

Common Replacement Reasons

• Battery warning light or charging-system fault
• Low charging output at the battery
• Dim lights or electrical instability while driving
• Noise from a worn alternator bearing or pulley assembly
• Failure of the internal regulator or charging circuit

Installation Notes and Tips

Verify the original alternator matches the 150-amp rating, 12-volt system, clockwise rotation, 1:30 clock position, and 6-groove serpentine clutch pulley before installation. Confirm connector style, mounting points, and belt alignment against the removed unit to ensure proper fit on the Cadillac ATS or Cadillac CTS application.

Quality Assurance

MPA Electrical remanufactured charging components are rebuilt for replacement service using the listed OE-style specifications and application data. Confirm fitment by year, model, and alternator configuration before installation.