BBB Industries 11643 Alternator

BBB Industries 11643 Reman Alternator for Chevrolet Caprice

The BBB Industries REMAN ALTERNATOR 11643 is a 12-volt charging system replacement built for select Chevrolet Caprice applications from 2011-2017. It delivers 170 amps and uses an internal voltage regulator, serpentine belt pulley, and decoupler pulley design for OE-style charging performance.

Key Features

• 170 amp output for the vehicle’s electrical charging system
• 12V alternator with internal voltage regulator
• OE manufacturer reference: Mitsubishi
• Decoupled clutch pulley with pulley included
• 6-groove serpentine belt pulley
• Air-cooled design with internal fan
• Clockwise rotation and negative polarity
• 11 o’clock plug clock position

Product Details

BBB Industries 11643 is a remanufactured alternator for Chevrolet Caprice models that require a 170 amp charging unit. This REMAN ALTERNATOR is built around Mitsubishi OE specifications and includes a decoupler pulley, which helps maintain smoother belt operation in applications that use a serpentine drive system. The unit is configured with a 2-1/4 inch (58 mm) outside pulley diameter, six pulley grooves, and an internal regulator for direct replacement use. This part number 11643 is also referenced for interchange with A3TX0981 and A3TX1481 applications.

Vehicle Fitment

• Fits 2011-2013 Chevrolet Caprice, N/A
• Fits 2014-2016 Chevrolet Caprice, N/A, Opt; 170 Amps; REMAN ALTERNATOR
• Fits 2017 Chevrolet Caprice, N/A, 170 Amps; REMAN ALTERNATOR

Common Replacement Reasons

• Battery warning light or charging system fault
• Low system voltage during driving or idle
• Dim lights or inconsistent electrical performance
• Alternator noise related to pulley or bearing wear
• Charging output below the vehicle’s required amperage

Installation Notes

Verify the plug clock position, pulley type, rotation direction, and amperage rating before installation. Confirm the vehicle uses the correct 6-groove serpentine belt setup and decoupler pulley configuration. Match the OE-style Mitsubishi application details to the original unit on the Chevrolet Caprice before replacing the alternator. Part number 11643 should be checked against the existing charging system specifications for proper fitment.

Quality Assurance

BBB Industries remanufactured electrical components are built to meet application-specific replacement requirements using OE-based design references. This alternator follows the listed Mitsubishi configuration and fitment data for Chevrolet Caprice models.