BBB Industries 8165-3 Alternator

Remanufactured Alternator for GM Vans

BBB Industries 8165-3 is a reman alternator built for 12-volt charging systems that need a 105-amp output, internal voltage regulation, and a conventional pulley setup. It is a direct-fit electrical replacement for select Chevrolet G10, G20, G30, Astro, and GMC G1500, G2500, G3500, and Safari applications.

Key Features

• 105-amp amperage rating for OE-style charging performance
• 12-volt alternator with internal voltage regulator
• CS130 series design with Delco/Delphi OE manufacturer reference
• 6-groove serpentine pulley included
• External fan included with air cooling
• Clockwise rotation and negative polarity
• 3:00 plug clock position for listed applications
• Cross-references OE numbers 10463389 and 10463413

Product Details

BBB Industries REMAN ALTERNATOR line focuses on remanufactured charging components built around OE-style fit and function. Part number 8165-3 follows the CS130 platform and uses a conventional pulley, external fan, and internal regulator layout commonly found on GM van and utility vehicle charging systems. For buyers searching for a reman alternator for a Chevrolet G20, GMC G2500 alternator replacement, or a 105 amp alternator for a Chevrolet Astro, this unit matches the listed electrical and mounting specifications.

This part cross-references OE numbers 10463389 and 10463413 for the same application.

Common Problems This Part Can Address

• Low battery charging caused by a worn alternator
• Dim lights or electrical instability at idle
• Battery warning light triggered by charging system failure
• Noise or bearing wear from an aging alternator assembly
• Charging output loss in high-demand 12-volt systems

Installation Notes and Tips

• Verify the plug clock position is 3:00 before installation.
• Confirm the vehicle uses a serpentine belt with a 6-groove pulley.
• Check rotation direction, polarity, and amperage rating against the original unit.
• Inspect the belt, wiring connector, and battery condition during replacement.
• Match the application notes for VIN-specific and heavy-duty listings on Chevrolet G30 and GMC G3500 models.

Quality Assurance

BBB Industries remanufactures charging components to meet application-specific electrical and fitment requirements. This 8165-3 alternator is built for the listed GM applications and specifications, including 105 amps, internal regulation, and CS130-series configuration.