Part #: N13809

BBB Industries N13809 Alternator

NEW ALTERNATOR
⚙️ 2 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: Jeep, TJ and Wrangler
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Reliable Alternator Replacement for Jeep TJ and Wrangler

The BBB Industries NEW ALTERNATOR N13809 is designed to provide consistent electrical charging performance for Jeep TJ and Wrangler models. Engineered to meet OEM specifications, this alternator ensures your vehicle's electrical system operates efficiently under various driving conditions.

  • Amperage Rating: 117 amps for stable power output
  • Cooling Method: Air-cooled with internal fan for effective heat dissipation
  • Pulley Type: Conventional 6-groove serpentine pulley included
  • Rotation Direction: Clockwise for proper fitment
  • Voltage: 12 volts with external voltage regulator
  • OE Manufacturer: Nippondenso for trusted quality
  • Polarity: Negative
  • Plug Clock Position: 2 o'clock for accurate electrical connection

About the BBB Industries NEW ALTERNATOR Product Line

The NEW ALTERNATOR line from BBB Industries focuses on delivering alternators that meet or exceed original equipment standards. This product line emphasizes durability and compatibility, making it a suitable choice for replacement parts in electrical, charging, and starting systems. The N13809 alternator is part of this line, ensuring it aligns with the quality and performance expectations for Jeep TJ and Wrangler vehicles.

Detailed Product Description

The BBB Industries N13809 alternator features a 117-amp output, providing sufficient electrical power for your Jeep TJ or Wrangler's charging system. Its air cooling method, combined with an internal fan, helps maintain optimal operating temperatures during extended use. The included conventional pulley with six grooves supports serpentine belt systems, matching the original equipment setup. Designed with a clockwise rotation and a negative polarity, this alternator fits precisely with the vehicle's electrical architecture. The external voltage regulator type allows for reliable voltage control, contributing to the overall longevity of your vehicle's battery and electrical components.

Common Applications and Issues Addressed

  • Replacement for failing or underperforming alternators in Jeep TJ and Wrangler models
  • Resolves battery charging problems and electrical system malfunctions
  • Addresses issues with dimming headlights or electrical accessories
  • Fixes belt slippage or pulley wear related to alternator operation
  • Improves overall vehicle starting reliability and electrical output

Installation Notes and Tips

When installing the BBB Industries N13809 alternator, ensure the serpentine belt is properly aligned with the 6-groove pulley. Verify the plug clock position at 2 o'clock for correct electrical connections. Since this alternator uses an external voltage regulator, confirm compatibility with your vehicle's existing regulator setup. Follow manufacturer torque specifications for mounting bolts and double-check all electrical connections for secure fitment.

Quality Assurance and Warranty

BBB Industries manufactures the N13809 alternator to meet OEM standards, with Nippondenso as the original equipment manufacturer. This ensures reliable performance and durability for Jeep TJ and Wrangler vehicles. Please refer to BBB Industries' warranty policy for specific coverage details related to this alternator model.

BrandBBB Industries
Part NumberN13809
PositionNEW ALTERNATOR
Amperage Rating117
AC TapNo
Brushless DesignNo
Cooling MethodAir
Decoupled Or Clutch PulleyNo
Fan TypeInternal
Number Of Pulley Grooves6
OE ManufacturerNippondenso
One Wire CapableNo
Outside Pulley Diameter (in)2-1/2
Outside Pulley Diameter (mm)63
Plug Clock Position2
PolarityNegative
Pulley Belt TypeSerpentine
Pulley IncludedYes
Pulley TypeConventional
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeExternal

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2000JeepTJ4.0LL6N/AOpt; 117 Amps; NEW ALTERNATOR
2000JeepWrangler4.0LL6N/AOpt; 117 Amps; 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:

121000-371056041685AA

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