Alternator 12V 6 Pulley Groove for Nissan Sentra 1.8L l4 2013-2019 23100-3SH2B

Alternator for Nissan Sentra

A 12V alternator with a 6-groove pulley that charges the battery and powers the electrical system, built to replace the original unit on 1.8L l4 models, referencing OEM 23100-3SH2B.

Overview

This alternator is a direct-fit charging solution for the 1.8L l4 Nissan Sentra. It delivers steady 12V output to keep the battery charged and accessories running. A practical replacement for drivers dealing with a failed or noisy original alternator.

Built For Performance

• 12V output matched to the 1.8L l4 charging system
• 6-groove pulley for correct belt engagement
• Housing built to withstand engine bay heat and vibration
• Internally regulated for consistent voltage
• Direct replacement footprint for straightforward installation

Fits These Machines

• for Nissan Sentra 1.8L l4 2013-2019

On-The-Job Use

• Restoring charging on a daily-driven sedan
• Replacing a failed alternator causing a battery light
• Fixing dim lights or slow cranking tied to low charge
• Routine electrical system repair

Specs At A Glance

Good To Know

Q: Will this fit my Sentra? A: It is listed for 1.8L l4 models from 2013 to 2019. Confirm your engine and pulley configuration before ordering.

Q: Is a new belt needed? A: Inspect the existing belt and replace it if worn. A fresh belt helps the 6-groove pulley grip properly.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.