Ultra Series GM CS130 Alternator

140 Amp - Black - Left Offset

Power your build with the March Performance GM CS130 Alternator, featuring a left offset (driver-side) mount with 6 and 10 o’clock mounting holes. This high-output 140-amp, one-wire alternator delivers exceptional performance and reliability with ultra-low cut-in voltage regulators that maintain strong charging even at idle. Built with premium copper and steel components, neoprene-sealed bearings for long life, and a sleek black finish, it’s engineered for durability and style. Backed by the March Performance Lifetime Warranty, this alternator provides proven performance you can depend on.