Part #: N13940

BBB Industries N13940 Alternator

NEW ALTERNATOR
⚙️ 5 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦NEW ALTERNATOR
🚗Fitment: Nissan, Altima
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Alternator Replacement for Nissan Altima

The BBB Industries NEW ALTERNATOR N13940 is designed to provide consistent electrical charging performance for your Nissan Altima. Engineered to meet OE specifications, this alternator ensures your vehicle's electrical system operates efficiently under various driving conditions.

  • 110 Ampere output for stable electrical supply
  • Internal fan cooling method for effective heat dissipation
  • Conventional pulley with 6 grooves and 2-1/2 inch diameter
  • Compatible with serpentine belt systems
  • Internal voltage regulator for precise voltage control
  • Clockwise rotation direction with negative polarity
  • OE manufacturer: Hitachi

About the BBB Industries NEW ALTERNATOR Product Line

The NEW ALTERNATOR line from BBB Industries focuses on delivering alternators that match original equipment standards in fit and function. This product line emphasizes durability and reliable electrical output, making it suitable for vehicles like the Nissan Altima that require consistent charging system performance. The N13940 alternator is part of this line, featuring an internal voltage regulator and a conventional pulley design to maintain compatibility with factory setups.

Detailed Product Description

This alternator features a 110 ampere rating, providing sufficient power to support the electrical demands of the Nissan Altima. It uses an air cooling method with an internal fan to prevent overheating during operation. The pulley included is conventional type with six grooves, measuring 2-1/2 inches in diameter, designed for serpentine belt compatibility. The alternator rotates clockwise and has a negative polarity, matching the original Hitachi OE specifications. The internal voltage regulator ensures stable voltage output, protecting your vehicle's electrical components.

Common Issues Addressed by This Alternator

  • Battery not charging properly or draining quickly
  • Dim or flickering headlights and dashboard lights
  • Electrical system warning lights on the dashboard
  • Unusual noises from the engine bay related to the charging system
  • Failure of the original alternator due to wear or overheating

Installation Notes and Tips

When installing the BBB Industries NEW ALTERNATOR N13940 on your Nissan Altima, ensure the serpentine belt is properly aligned with the 6-groove pulley. Verify the clockwise rotation direction and negative polarity match your vehicle’s specifications. The internal voltage regulator eliminates the need for external components, simplifying installation. It is recommended to inspect the battery and electrical connections during installation to ensure optimal performance.

Quality Assurance and Warranty

BBB Industries manufactures the NEW ALTERNATOR line to meet or exceed original equipment standards. The N13940 alternator is built with quality components, including an internal voltage regulator and a durable pulley system. While specific warranty details are not provided here, BBB Industries typically offers coverage against defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.

BrandBBB Industries
Part NumberN13940
PositionNEW ALTERNATOR
AC TapNo
Amperage Rating110
Brushless DesignNo
Cooling MethodAir
Decoupled Or Clutch PulleyNo
Fan TypeInternal
Number Of Pulley Grooves6
OE ManufacturerHitachi
One Wire CapableNo
Outside Pulley Diameter (in)2-1/2
Outside Pulley Diameter (mm)63
Plug Clock Position1
PolarityNegative
Pulley Belt TypeSerpentine
Pulley IncludedYes
Pulley TypeConventional
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeInternal

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006NissanAltima3.5LV6N/A110 Amp Alternator compatible with multiple vehicle makes and models.; NEW ALTERNATOR
2005NissanAltima3.5LV6N/A110 Amp Alternator compatible with multiple vehicle makes and models.; NEW ALTERNATOR
2004NissanAltima3.5LV6N/A110 Amp Alternator compatible with multiple vehicle makes and models.; NEW ALTERNATOR
2003NissanAltima3.5LV6N/A110 Amp Alternator compatible with multiple vehicle makes and models.; NEW ALTERNATOR
2002NissanAltima3.5LV6N/A110 Amp Alternator compatible with multiple vehicle makes and models.; NEW ALTERNATOR

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

23100-8J10023100-8J10A23100-8J10BLR1110-721LR1110-721BLR1110-721ELR1110-721F

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.