FWGC 13778R Alternator

Overview

This alternator is built for charging-system replacement on select Nissan applications and is identified by part number 13778R. It delivers 70 amps at 12 volts with an internal regulator and internal fan design for dependable electrical output.

Compatible with Nissan Frontier and Nissan Xterra applications, 13778R is a fitment-based replacement for vehicles that require a clockwise-rotation unit with a V-belt pulley setup. The included pulley and single-groove design match the listed application requirements.

Key Features

• 70-amp output for the specified charging demand
• 12-volt alternator with internal voltage regulation
• Internal fan design for compact packaging
• Clockwise rotation with a V-belt pulley
• Family: HITACHI
• Pulley included with single-groove configuration

Detailed Description

Part number 13778R is a replacement alternator for select Nissan Frontier, Nissan Xterra, and Nissan Pickup applications listed in the fitment data. It is engineered around a 70-amp output and uses an internal regulator, internal fan, and clockwise rotation to match the electrical and mechanical requirements of the application. The HITACHI family designation and included pulley help identify the correct configuration for the listed vehicles.

This part cross-references BBB Industries 13778 for the same application. Use the fitment details to confirm the correct year, model, and notes before ordering.

What It Helps Solve

• Low charging output from a worn alternator
• Battery warning light caused by charging-system failure
• Electrical instability from inconsistent alternator performance
• Accessory power issues when system voltage drops

Installation Notes

Verify the vehicle’s year, model, and application notes before installation. This alternator is listed with clockwise rotation, internal regulation, and a V-belt pulley configuration, so the replacement should match those specifications exactly. Confirm connector and mounting details against the original unit prior to installation.

Quality Assurance

Power Select alternators are engineered to provide the amp output needed for modern vehicle electrical systems. Proprietary components and manufacturing processes are used to support service life and performance consistency.