FWGC 11121R Alternator

Alternator Overview

This 11121R alternator is built for charging-system replacement on select Nissan applications. It delivers 110 amps of output with an internal regulator and internal fan design to support stable electrical performance.

Key Features

• 110-amp output for modern electrical loads
• 12-volt alternator with internal regulation
• Clockwise rotation with a serpentine belt pulley
• 7-groove pulley included for proper belt engagement
• Hitachi family unit for select OE-style applications

Detailed Description

Power Select alternators are engineered to provide the amperage needed for today’s vehicle electrical systems. This 11121R alternator uses proprietary components and manufacturing processes aimed at consistent performance and extended service life. It is a direct-fit charging component for select Nissan Frontier, Nissan Pathfinder, and Nissan Xterra applications, including 2005-2007 Nissan Frontier, 2005-2007 Nissan Pathfinder, and 2005-2007 Nissan Xterra fitments listed with 110-amp requirements. The 11121R part number is also useful when verifying replacement against existing service records or catalog listings.

Common Issues This Part May Address

• Battery warning light caused by low charging output
• Dim lights or unstable electrical performance
• Charging failure from a worn alternator
• Accessory power issues under electrical load

Installation Notes and Tips

Confirm the pulley style, rotation direction, amperage rating, and connector match before installation. This unit is listed for Hitachi-based applications and uses an internal regulator, so matching the original charging-system configuration is important. Verify fitment by year, make, model, and notes before ordering.

Quality Assurance

Power Select alternators are manufactured with proprietary components and processes to support long service life and dependable performance in charging-system replacement applications.