MPA Electrical 12457 Starter Motor

Starter for GM 3.6L Applications

This remanufactured MPA Electrical starter is built for 12-volt starting systems that need a direct-fit replacement with OE-style performance characteristics. It uses a permanent magnet gear reduction design, a 1.4 kW rating, clockwise rotation, and a 17-tooth drive for the listed GM applications.

MPA Electrical Remanufactured parts are rebuilt to restore dependable starting performance for vehicles that rely on consistent cranking power. Part number 12457 is a practical choice when replacing a worn starter on Buick, Cadillac, Chevrolet, and GMC models.

Key Features

• Remanufactured starter for 12-volt systems
• Permanent magnet gear reduction design
• 1.4 kW output rating
• Clockwise rotation
• 17-tooth drive
• Built by Nippondenso
• Cross-references 438000-2140 and 12667973

Detailed Description

MPA Electrical part number 12457 is a remanufactured starter designed for a range of GM vehicles, including Buick Enclave, Cadillac XT5, Cadillac XT6, Chevrolet Blazer, Chevrolet Traverse, GMC Acadia, Cadillac CT5, Cadillac CT6, Cadillac ATS, Cadillac CTS, Buick LaCrosse, Buick Regal Sportback, and Chevrolet Traverse Limited applications. The permanent magnet gear reduction layout helps deliver compact, efficient cranking performance, while the 12-volt, 1.4 kW specification matches the electrical demands of the listed vehicles. This starter is a direct replacement option for drivers searching for a remanufactured starter for 2018-2024 Buick Enclave, a starter for 2020-2024 Cadillac CT5, or a replacement starter for 2019-2024 Chevrolet Blazer.

This part cross-references 438000-2140 and 12667973 for the same application.

What It Helps Fix

• Slow or weak engine cranking
• No-start conditions caused by starter wear
• Intermittent starting after key or push-button engagement
• Grinding or inconsistent starter engagement
• Electrical starting issues tied to an aging starter motor

Installation Notes and Tips

Verify the vehicle’s year, make, model, and starter specifications before installation. Confirm clockwise rotation, 17-tooth drive count, and 12-volt system requirements against the original unit. Compare the existing starter to part number 12457 and the listed interchange numbers before final fitment on Buick Enclave, Cadillac XT5, or Chevrolet Traverse applications.

Quality Assurance

This remanufactured starter is produced by MPA Electrical and built to match the listed OE-style application details for reliable replacement use.

• Fits 2018-2024 Buick Enclave, N/A
• Fits 2020-2024 Cadillac CT5, N/A
• Fits 2017-2024 Cadillac XT5, N/A
• Fits 2020-2024 Cadillac XT6, N/A
• Fits 2019-2024 Chevrolet Blazer, N/A
• Fits 2024 Chevrolet Traverse Limited, N/A
• Fits 2018-2023 Chevrolet Traverse, N/A
• Fits 2020-2023 GMC Acadia, N/A
• Fits 2018-2020 Buick Regal Sportback, N/A
• Fits 2016-2020 Cadillac CT6, N/A
• Fits 2017-2019 Buick LaCrosse, N/A
• Fits 2016-2019 Cadillac ATS, N/A
• Fits 2016-2019 Cadillac CTS, N/A