BBB Industries N13870 Alternator

BBB Industries N13870 Alternator Overview

The BBB Industries NEW ALTERNATOR N13870 is a 12-volt charging system replacement built for Chrysler and Dodge minivans with confirmed OE-style fitment. It delivers 160 amps of output and uses a serpentine belt drive with a decoupler pulley for applications that require stable charging performance and smooth accessory operation.

This alternator is compatible with 2001-2007 Chrysler Town & Country, 2001-2007 Dodge Caravan, 2001-2007 Dodge Grand Caravan, and 2001-2003 Chrysler Voyager. If you are replacing a worn charging unit on a Chrysler Town & Country or Dodge Grand Caravan, part number N13870 provides the correct electrical and pulley configuration for the listed vehicles.

Key Features

• 160 amp alternator output for 12-volt charging systems
• OE manufacturer reference: Nippondenso
• External voltage regulator type
• Clockwise rotation direction
• Serpentine belt pulley with 6 grooves
• Decoupler pulley included
• Air-cooled design with internal fan
• Negative polarity configuration
• 1 o'clock plug clock position

Detailed Product Description

BBB Industries N13870 is a new alternator for Chrysler and Dodge minivan applications that require a 160 amp charging unit with a decoupled pulley design. The unit includes a 2-1/2 inch outside pulley diameter, uses a serpentine belt, and is configured for clockwise rotation. Its external regulator setup and Nippondenso OE reference help match the original electrical architecture used in the listed vehicles. Part number N13870 is a direct-fit replacement for the specified Town & Country, Caravan, Grand Caravan, and Voyager applications.

This part cross-references BBB Industries and OE-style replacement listings such as 421000-0021 and 4868430AF for the same application.

Common Problems This Alternator Can Address

• Battery warning light caused by low charging output
• Dim headlights or unstable electrical performance
• Slow cranking after the vehicle has been running
• Charging system failure from a worn or noisy alternator
• Accessory voltage drop in high-demand electrical systems

Installation Notes and Tips

Verify the pulley style, plug clock position, and regulator type before installation to confirm the replacement matches the original unit. Check belt condition, tensioner operation, and charging system wiring during service so the new alternator can operate correctly in the vehicle’s electrical system. Confirm fitment by year, make, and model before ordering.

Quality Assurance

BBB Industries NEW ALTERNATOR line is built as a replacement charging component for applications that require OE-style fit and electrical specifications. This N13870 alternator is specified for the listed Chrysler and Dodge vehicles and follows the original equipment layout for the confirmed fitment range.

Compatible Vehicles

• Fits 2001-2007 Chrysler Town & Country, N/A
• Fits 2001-2007 Dodge Caravan, N/A
• Fits 2001-2007 Dodge Grand Caravan, N/A
• Fits 2001-2003 Chrysler Voyager, N/A