TYC 2-13900 Alternator

Alternator for Nissan Pathfinder and INFINITI QX4

TYC 2-13900 is a 110-amp alternator built for select 2001-2002 Nissan Pathfinder and INFINITI QX4 applications. It uses an internal regulator, internal fan, and a clockwise rotation layout with a 6-groove pulley for OE-style charging system service.

Key Features

• 110A output for factory-style electrical charging performance
• Internal regulator position for direct-fit charging system replacement
• Internal fan design
• Regular pulley wheel design with 6 grooves
• Clockwise rotation direction
• OE manufacturer reference: HI
• Cross-reference part number: ACDelco 335-1217

Detailed Description

This TYC alternator, part number 2-13900, is engineered for 2001-2002 Nissan Pathfinder and 2001-2002 INFINITI QX4 models with the specified charging system configuration. The 110-amp output, internal regulator, and internal fan match the listed application details, making it a direct replacement choice for vehicles that need stable battery charging and consistent electrical output. If you are searching for a 2001-2002 Nissan Pathfinder alternator or an INFINITI QX4 alternator 2-13900, this unit matches the confirmed fitment and key OE-style specifications.

What It Helps Solve

• Battery warning light caused by alternator output issues
• Low charging voltage at idle or while driving
• Dim lights or unstable electrical performance
• Charging system noise related to alternator wear
• Starting problems tied to insufficient battery recharge

Installation Notes and Tips

Verify the vehicle’s charging system configuration before installation, including internal regulator setup, internal fan design, 6-groove pulley layout, and clockwise rotation. Confirm fitment for Fits 2001-2002 INFINITI QX4 and Fits 2001-2002 Nissan Pathfinder using the listed application details. Compare the original unit to TYC 2-13900 before removal to ensure the pulley and connector arrangement match.

Quality Assurance

TYC supplies OE-style replacement electrical components, and this alternator is built to match the listed application specifications for proper fit and function in the confirmed vehicles.