POWERMASTER 58550-16.8CCW POWERMASTER 58550-16.8CCW Black GM Denso-Style 250 Amp Alternator, 6-Groove, Counterclockwise

The POWERMASTER 58550-16.8CCW is a high-output 250-amp alternator designed for applications using a GM Denso-style configuration. Finished in black, this alternator combines a six-groove pulley with a preset counterclockwise rotation to support installation requirements where increased electrical output and specific drive orientation are needed. The unit is identified by part number 58550-16.8CCW for easier reference during product selection and replacement planning.
Use this POWERMASTER alternator for custom, performance, restoration, fleet, or replacement projects that require a 250-amp charging unit in a GM Denso-style application. Its six-groove pulley is intended to match compatible serpentine belt systems, while the preset counterclockwise configuration helps align the alternator with the engine’s belt path and rotation requirements. Always compare the existing alternator, mounting arrangement, pulley configuration, electrical connections, and vehicle application before ordering.
The black finish provides a clean appearance suitable for a wide range of engine compartments, and the compact alternator format is designed for practical installation in compatible applications. This product is not air restricted and does not require truck freight shipping, making it suitable for standard handling and delivery. Confirm vehicle-specific fitment and charging-system requirements with the vehicle manufacturer, installer, or qualified technician to ensure the alternator matches the intended application. POWERMASTER 58550-16.8CCW provides a clearly specified combination of output rating, pulley design, finish, and rotation direction for users seeking a dependable replacement or upgrade path.

Features:

• 250-amp charging output for compatible high-demand electrical systems

• GM Denso-style alternator configuration

• Six-groove serpentine pulley design

• Preset counterclockwise rotation

• Black finish for a clean engine-compartment appearance

• POWERMASTER part number 58550-16.8CCW

• Not air restricted

• Not truck freight only