AUPCS Alternator for Nissan Sentra 1.8L 2002–2006 — 80A 12V Direct-Fit, CW 6-Groove Pulley

AUPCS Alternator 80 Amp/12 Volt is a direct-fit replacement alternator engineered for Nissan Sentra L4 1.8L model years 2002–2006, delivering OE-equivalent electrical output and mounting compatibility.

This AUPCS alternator is built to match the original equipment specifications for the Nissan Sentra 1.8L (1769cc, L4, DOHC, naturally aspirated) from 2002–2006. It provides a rated 80 amp/12 volt output with a clockwise (CW) rotation and a 6-groove pulley, and it replaces common OEM numbers such as 13939N, 334-1463, LR180-769, and 23100-4Z400. Components including the rotor and stator are electronically tested to reduce the risk of short circuits, and the unit uses sealed high-quality bearings to minimize friction, vibration, and noise.

Will this alternator fit my Nissan Sentra 2004?

If your vehicle is a Nissan Sentra with the 1.8L L4 engine from 2002 through 2006, this alternator is designed as a direct replacement. Confirm fit by cross-referencing OEM part numbers or using the vehicle compatibility tool on your retailer's page.

• Fits Sentra 2002–2006 with 1.8L (1769cc) L4 engine
• Replaces OEM numbers: 13939N, 334-1463, LR180-769, 23100-4Z400
• Direct bolt-on mounting and electrical connections
• Compatible with 6-groove accessory belt setups

How reliable is the electrical output and internal build?

The alternator provides a stable 80 amp/12 volt output suitable for stock electrical loads, with internal rotor and stator inspected electronically to help prevent shorts. It includes sealed bearings to reduce wear and lower operational noise compared with lower-grade replacements.

• Rated output: 80 Amp at 12 Volt
• Rotor and stator electronically inspected for short prevention
• High-quality sealed bearings to reduce vibration and noise
• IR/IF specification matching OE performance

What should I know before installing this alternator?

Follow safety steps during removal and installation: disconnect the negative battery terminal first and turn off ignition and electrical accessories. Ensure wiring connectors and battery terminals are reattached securely and in the correct polarity.

• Disconnect negative battery cable before starting work
• Remove generator wire connector carefully to avoid damage
• Reattach positive and negative terminals firmly and correctly
• Check belt alignment and tension for the 6-groove pulley after install

What do I receive and what services are offered?

This listing includes one alternator unit. AUPCS provides compatibility guidance—confirm fit using the Amazon Confirmed Fit tool or by matching OEM part numbers. The brand offers a range of accessories for various vehicle types if additional parts are needed.

• Package contains: 1 Pc alternator (AUPCS)
• Compatibility verification recommended via OEM numbers or retailer fit tool
• Accessories available for cars, pickups, SUVs and MPVs
• Customer support for fitment and part questions

Who is this for: This alternator is for Nissan Sentra owners, independent mechanics, and DIY enthusiasts who need a cost-effective, OE-equivalent replacement for 2002–2006 Sentra models with the 1.8L L4 engine. It suits drivers who want a straightforward bolt-on solution that meets original performance specs and reduces noise and vibration with sealed bearings and tested electrical components.