TYC 2-21072 Alternator

Alternator Overview

This TYC alternator, part number 2-21072, is built for charging-system replacement on select Nissan compact SUVs. It matches the application with a 150-amp output, internal fan design, and a clutch pulley for controlled belt operation.

Compatible with Nissan Qashqai and Nissan Rogue Sport applications, this alternator is a direct-fit electrical replacement for vehicles that require clockwise rotation and a 6-groove pulley layout. Part number 2-21072 is also referenced as 21072 and 23100-4BB0A for the same application.

Key Features

• 150-amp output for charging-system performance
• Internal fan configuration for compact alternator packaging
• Clutch pulley design to help manage belt dynamics
• 6-groove pulley for matched belt engagement
• Clockwise rotation specification
• OE manufacturer reference: Valeo

Detailed Description

TYC 2-21072 is an alternator replacement engineered around the original equipment specification used on select Nissan Qashqai and Nissan Rogue Sport models. The unit’s 150-amp rating, internal fan position, clutch pulley, and clockwise rotation help ensure the charging system matches the vehicle’s electrical and belt-drive requirements. If you are replacing a worn or failing alternator on these applications, this part number 2-21072 provides the correct configuration for the listed fitments.

What It Helps Address

• Battery warning lights related to charging output
• Low-voltage conditions from a failing alternator
• Charging irregularities caused by pulley or rotation mismatch
• Electrical system strain from reduced alternator performance
• Noise or belt-drive issues tied to alternator wear

Installation Notes and Tips

Verify pulley groove count, rotation direction, and electrical connector match before installation. Confirm fitment against the vehicle’s charging-system specifications for the exact Nissan Qashqai or Nissan Rogue Sport application. Inspect the drive belt and related components during alternator replacement to avoid repeat charging concerns.

Quality Assurance

This alternator is built to OE specifications with Valeo listed as the original equipment manufacturer reference. Cross-reference part numbers include 21072 and 23100-4BB0A for the same application.