Trans-Dapt 9487 Alternator V-Belt Pulley for Small Block Chevy

The Trans-Dapt 9487 Alternator Pulley is designed for small block Chevrolet applications requiring a reliable single-groove V-belt pulley. Its focused fitment and straightforward design make it a practical choice for replacement or custom engine accessory installations where proper belt alignment and dependable operation are important.
Constructed from machined aluminum, this alternator pulley combines lightweight performance with durable service for engine compartment use. The single-groove V-belt profile is engineered to support compatible belt applications, while the 5/8-inch shaft bore provides a secure fit with matching alternator components. The pulley measures 2.875 inches in diameter and 1.75 inches in width, offering a compact configuration for a variety of small block Chevy setups.
As part of the Trans-Dapt product line, Part Number 9487 is supplied as a pulley kit for single alternator applications. Verify alternator shaft size, belt configuration, pulley alignment, and available clearance before installation to ensure compatibility with your specific engine and accessory drive system. This pulley is intended for use with V-belts and is not designed for multi-groove serpentine belt systems.

Features:

• Brand: Trans-Dapt

• Part Number: 9487

• Application: Small block Chevy alternator systems

• Pulley Style: Single-groove V-belt

• Diameter: 2.875 inches

• Width: 1.75 inches

• Shaft Bore: 5/8 inch

• Material: Aluminum

• Manufacturing Method: Machined

• Product Type: Alternator pulley kit