MPA Electrical 11818 Alternator

Remanufactured Alternator Overview

The MPA Electrical 11818 is a remanufactured 12-volt alternator built for OE fit, form, and function. It is engineered for charging-system replacement on select Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac applications with a 220-amp output.

MPA Electrical remanufactured alternators use updated remanufacturing and testing processes to help deliver consistent electrical performance for direct replacement service.

Key Features

• 12.0V remanufactured alternator for charging-system replacement
• 220.0 amp output for high-demand electrical systems
• Internal fan and internal voltage regulator
• Clockwise (right) rotation
• Serpentine pulley with 5 grooves and pulley included
• Mitsubishi family design
• Rear plug clock position: 10 o’clock, viewed from the rear

Detailed Description

MPA Electrical part number 11818 is a remanufactured alternator intended for vehicles that require a Mitsubishi-family unit with a serpentine belt drive and internal regulation. The OE-style fitment and tested remanufacturing process make it a practical replacement for charging issues on 2019-2022 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500 LTD, 2019-2022 GMC Sierra 1500, 2022 GMC Sierra 1500 Limited, 2020-2021 Cadillac CT4, 2020-2021 Cadillac CT5, and 2019 Cadillac CT6.

This part cross-references A003TV2581 and 13529433 for the same application.

What It Helps Solve

• Battery warning lights caused by alternator output loss
• Low charging voltage during driving or idle conditions
• Dim lights or unstable electrical performance
• Charging-system failure after alternator wear
• Replacement needs on high-output 220-amp systems

Installation Notes and Tips

Verify pulley groove count, rotation direction, connector clocking, and amperage rating before installation. Confirm the vehicle uses a serpentine belt setup and an internal regulator configuration. For Silverado 1500 and Sierra 1500 applications, match the alternator to the exact year and trim-specific charging system requirements before removal of the original unit.

Quality Assurance

MPA Electrical remanufactured alternators are processed with OE fit, form, and function in mind and are tested using current remanufacturing and validation methods to support replacement quality.