POWERMASTER 478021 CS130 140 Amp 12V 1-Wire Alternator

The POWERMASTER 478021 alternator is a CS130-style charging unit designed for applications requiring 140 amps of output at 12 volts. It features a 1-wire configuration for a straightforward electrical connection and a natural-finish aluminum case.

This alternator is configured with a single V-belt pulley and straight mounting arrangement. Its Delco-style design and GM application designation make it a suitable replacement option where these specifications match the vehicle or equipment requirements.

The 478021 combines a compact CS130 configuration with a high-output 140-amp rating. Verify the required mounting style, pulley arrangement, wiring configuration, voltage, and amperage before installation to ensure the alternator matches the application.

POWERMASTER part number 478021 is supplied as an individual alternator. The unit is identified as air-restricted: no and truck-freight-only: no in the provided product data.

Features:

• Brand: POWERMASTER
• Part Number: 478021
• Alternator Type: CS130
• Output: 140 amps
• Voltage: 12 volts
• Wiring Configuration: 1-wire
• Pulley Type: Single V-belt
• Mounting Style: Straight mount
• Case Material: Aluminum
• Finish: Natural
• Application Designation: GM
• Air Restricted: No
• Truck Freight Only: No