The Speedmaster PCE528.1001 Alternator Voltage Regulator is a direct-fit replacement designed for GM Chevrolet CS130, CS121, and CS144 series alternators. This D411-specification regulator helps restore proper charging system function, ensuring your alternator delivers consistent and reliable voltage output to keep your electrical system running at its best.
Engineered as a quality replacement for worn or failed OEM regulators, this unit is ideal for performance builds and daily drivers alike that utilize GM CS-series alternators. Restore your charging system's efficiency with a regulator built to meet the demands of your Chevrolet application.
MPNPCE528.1001
UPC840136556879
