Farrme 13939 High-Output Replacement Alternator for Nissan Altima & Sentra 2.5L (110A, 6-Groove Pulley)

The Farrme 13939 is a brand-new, high-output 110A 12V replacement alternator engineered to restore reliable charging and starting for 2002–2006 Nissan Altima and Sentra 2.5L engines.

If your vehicle’s battery keeps dying, dashboard lights flicker, or electronics behave inconsistently, a worn alternator is often the cause. The Farrme 13939 (also labeled 13939N, 231008J000 and related OEM cross-numbers) is built to meet OEM fit and function while offering upgraded corrosion protection, sealed bearings, and an internal regulator for straightforward installation and dependable operation.

How does the Farrme 13939 match my Nissan’s original alternator?

This unit is designed as a direct-fit replacement for Nissan Altima and Sentra 2002–2006 with the 2.5L L4 engine. It follows the original mounting points, electrical plug configuration, and pulley profile so it installs without modification in most cases.

• 110 amp output and 12V voltage to match factory charging capacity.
• Clockwise rotation and 6-groove pulley with 56mm outside diameter (2-3/16 in).
• Internal fan and internal voltage regulator for compact fit.
• Multiple OEM cross-reference part numbers included for easier verification.

What performance and durability features does it offer?

Farrme built this alternator with premium materials and treatments to resist corrosion and heat while maintaining steady charging at low and high RPM. Bearings are pre-lubricated and sealed to minimize noise and vibration for quieter operation.

• Pure copper windings and die-cast aluminum housing for heat dissipation.
• External insulating coating to prevent shorts and improve corrosion resistance.
• Overload and overheat protections tested to OEM standards.
• Optimized electromagnetic design for consistent output, even at idle.

What should I check before installing the 13939 alternator?

Confirming vehicle fitment and basic electrical health avoids installation issues. Farrme recommends verifying part numbers and having the battery, cables, and fuses inspected before replacement.

• Verify OEM part number or use the part finder and VIN for confirmation.
• Check battery condition, cable terminals, and ground connections first.
• Inspect the accessory belt for wear and correct tension; replace if required.
• Professional installation is suggested to ensure correct wiring and torque specs.

How will this alternator affect my vehicle’s electrical system?

Replacing a failing alternator with the Farrme 13939 restores stable charging, which helps preserve battery life and keeps lights and accessories operating normally. The internal regulator helps maintain a steady voltage under varying loads.

• Delivers stable power across engine speeds to reduce voltage fluctuation.
• Helps extend battery life by maintaining proper charge levels.
• Reduces cabin noise thanks to sealed, low-friction bearings.
• Tested to meet or exceed OEM performance and durability standards.

Who is this for: The Farrme 13939 alternator is intended for DIY mechanics, independent shops, and vehicle owners who need a reliable, direct-replacement charging unit for Nissan Altima or Sentra 2002–2006 with the 2.5L engine. It’s also suitable for anyone seeking OEM-equivalent performance with added corrosion resistance and quiet operation. If you’re unsure about fitment, match your OEM part number or contact Farrme customer support with your VIN before ordering.