BBB Industries N13789 Alternator

BBB Industries N13789 Alternator Overview

The BBB Industries NEW ALTERNATOR N13789 is a 12-volt replacement alternator built for select Nissan charging-system applications. It delivers 80 amps and uses an internal voltage regulator, air cooling, and an internal fan for dependable electrical output in daily driving conditions.

Compatible With 1999-2002 Nissan Frontier and 2000-2002 Nissan Xterra, this alternator is built around a conventional pulley setup with a serpentine belt drive and a 5-groove pulley. The plug clock position is 4, and the unit uses negative polarity.

Key Features

• 80-amp amperage rating for OE-style charging performance
• 12-volt alternator with internal voltage regulator
• Air-cooled design with internal fan
• Conventional pulley included; 5-groove serpentine belt configuration
• Clockwise rotation and negative polarity
• OE manufacturer reference: Hitachi
• Part number N13789 for easy identification

Detailed Product Description

BBB Industries N13789 is a new alternator engineered for Nissan Frontier and Nissan Xterra charging-system service. It matches the OE-style layout with a 2-5/16 inch (59 mm) pulley diameter, internal regulation, and a 4 o'clock plug position to support proper electrical connection and belt alignment. The Hitachi OE manufacturer reference helps identify the original application style for these vehicles. This part number, N13789, is a direct reference point when sourcing a replacement alternator for the listed Nissan models.

BBB Industries NEW ALTERNATOR line focuses on replacement electrical components built for straightforward service on common charging-system repairs. For shoppers searching for a Nissan Frontier alternator or Nissan Xterra alternator replacement, N13789 provides the core specifications needed to match the vehicle’s original configuration.

This part cross-references 23100-4S100 and LR180-756B for the same application.

What This Alternator Helps Address

• Battery warning light caused by low charging output
• Dim headlights or unstable electrical performance
• Slow battery recovery after driving
• Charging-system failure from a worn alternator
• Accessory performance issues tied to insufficient voltage

Installation Notes and Tips

Verify pulley groove count, plug clock position, rotation direction, and amperage rating before installation. Confirm belt alignment with the serpentine drive and inspect the charging circuit, battery condition, and connectors during replacement. Match the vehicle application carefully for 1999-2002 Nissan Frontier and 2000-2002 Nissan Xterra service.

Quality Assurance

BBB Industries supplies replacement electrical components with OE-style specifications for fitment-sensitive repairs. This alternator is built to the listed electrical and mechanical configuration for the confirmed Nissan applications.