BBB Industries N13910 Alternator

BBB Industries N13910 Alternator Overview

BBB Industries NEW ALTERNATOR N13910 is a 12-volt replacement alternator built for select Dodge truck and van applications. It delivers 117 amps and uses an external voltage regulator, serpentine belt drive, and a conventional pulley setup for the specified OE-style fitment.

Compatible with 2001-2003 Dodge Dakota, 2001-2003 Dodge Ram 1500 Van, 2001-2003 Dodge Ram 2500 Van, 2001-2003 Dodge Ram 3500 Van, and select 2001 Dodge Ram 1500, Ram 2500, and Ram 3500 models with Nippondenso-style units.

Key Features

• 117-amp output for charging-system replacement
• 12V alternator with negative polarity
• External voltage regulator configuration
• Air-cooled design with internal fan
• Serpentine pulley drive with 7 grooves
• Conventional pulley included
• Clockwise rotation
• 3 o’clock plug clock position
• OE manufacturer reference: Nippondenso

Detailed Product Description

The BBB Industries N13910 alternator is a direct-fit charging component for Dodge Dakota, Ram 1500 Van, Ram 2500 Van, and Ram 3500 Van applications listed in the fitment data, along with select 2001 Dodge Ram 1500, Ram 2500, and Ram 3500 models. It is built around a 117-amp amperage rating, 12-volt electrical system, and external regulator layout to match the specified vehicle configuration.

This alternator uses an air-cooling method, internal fan, and a conventional pulley with a 2-1/2 inch outside diameter and 7 pulley grooves for serpentine belt systems. The unit is identified for Nippondenso OE-style applications and cross-references 121000-3760, 56029913AA, and 56029913AB for the same application. The part number N13910 is the reference to use when matching the correct charging-system replacement for these Dodge truck and van platforms.

Common Problems This Part Can Address

• Low battery charging output
• Battery warning light illumination
• Dim lights caused by charging-system weakness
• Electrical accessories losing power under load
• Alternator noise or charging failure on the listed Dodge applications

Installation Notes and Tips

Verify the vehicle’s original alternator uses the same Nippondenso-style configuration, 117-amp rating, external regulator setup, plug clock position, and serpentine pulley arrangement before installation. Confirm the connector orientation and pulley groove count against the removed unit to ensure proper alignment and electrical connection. The fitment data includes standard and NDenso unit notes for select 2001 Ram applications, so matching the original equipment style is important.

Quality Assurance

BBB Industries NEW ALTERNATOR line is positioned as a replacement electrical component for OE-style service applications. This part is built to match the listed charging-system specifications for the confirmed Dodge fitments and is identified by part number N13910.