BBB Industries 7861-3 Alternator

BBB Industries 7861-3 Reman Alternator Overview

BBB Industries 7861-3 is a remanufactured 12-volt alternator built for select Chevrolet and GMC vans and full-size vans with the Delco/Delphi CS130 charging system. This 105-amp unit uses an internal voltage regulator, clockwise rotation, and a serpentine pulley setup for direct replacement service.

Compatible with 1990-1992 Chevrolet Astro and GMC Safari, plus 1992 Chevrolet G10, G20, G30 and GMC G1500, G2500, G3500 applications, this reman alternator is built around the original equipment layout for straightforward charging-system service.

Key Features

• 105-amp amperage rating for OE-style charging output
• 12-volt alternator with internal voltage regulator
• Delco/Delphi CS130 series construction
• External fan included with air cooling
• 6-groove conventional pulley for serpentine belt systems
• Clockwise rotation with negative polarity
• 3 o’clock plug clock position
• Outside pulley diameter: 2-5/16 in. (59 mm)

Detailed Description

BBB Industries 7861-3 reman alternator is engineered for vehicles that use the Delco/Delphi CS130 platform and a serpentine belt drive. The unit includes the pulley and external fan, and its internal regulator helps maintain stable charging performance in the vehicle’s electrical system. This part number is a direct-fit service option for Chevrolet Astro and GMC Safari models from 1990-1992, as well as 1992 Chevrolet G10, G20, G30 and GMC G1500, G2500, G3500 vans.

BBB Industries REMAN ALTERNATOR line focuses on remanufactured electrical components built to match the original application layout. Part number 7861-3 is also a practical replacement when servicing a worn or failing alternator in a 1990-1992 Chevrolet Astro or GMC Safari, or a 1992 Chevrolet G-series or GMC G-series van with the listed 105-amp configuration.

This part cross-references AC Delco/Delphi-style numbers such as 1101500 and 1101617 for the same application.

What It Helps Address

• Battery warning light caused by low alternator output
• Dim headlights or unstable electrical performance
• Slow battery recovery after starting
• Charging-system noise related to a worn alternator assembly
• Failure of the original CS130 alternator in listed Chevrolet and GMC applications

Installation Notes and Tips

• Verify the vehicle uses the CS130 alternator layout with a 6-groove serpentine pulley.
• Confirm plug clock position at 3 o’clock before installation.
• Check belt condition, battery state, and charging-circuit connections during replacement.
• Inspect the mounting points and pulley alignment before returning the vehicle to service.
• Match the amperage rating and OE-style configuration to the original unit for proper fitment.

Quality Assurance

BBB Industries remanufactured electrical components are built for service replacement in OE-style applications. Part number 7861-3 is a reman alternator for select Chevrolet and GMC charging-system configurations, including 1990-1992 Chevrolet Astro and GMC Safari and 1992 Chevrolet G10, G20, G30, GMC G1500, G2500, and G3500 models.