BBB Industries
REMAN ALTERNATOR

BBB Industries 13876 Alternator

Brand BBB Industries 13876
AC Tap No
Amperage Rating 117
Brushless Design No
Cooling Method Air
Decoupled Or Clutch Pulley No
Fan Type Internal
Number Of Pulley Grooves 6
OE Manufacturer Nippondenso
One Wire Capable No
Outside Pulley Diameter (in) 2-1/2
Outside Pulley Diameter (mm) 63
Plug Clock Position 1
Polarity Negative
Pulley Belt Type Serpentine
Pulley Included Yes
Pulley Type Conventional
Rotation Direction Clockwise
Voltage (V) 12
Voltage Regulator Type External
Product line REMAN ALTERNATOR
Fits Jeep · 12 vehicles

Remanufactured unit. Restored to deliver dependable charging performance.

117-amp output. Provides strong electrical support for demanding systems.

Pulley included. Ready for a straightforward replacement installation.

Cross-references 121000-3820, 121000-3821 and 56041864AA for the same application. See all 4.

$150.69Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $150.69
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Reman Alternator for Jeep TJ and Wrangler

BBB Industries REMAN ALTERNATOR 13876 is a 12-volt replacement alternator built for select Jeep TJ and Jeep Wrangler applications. It delivers 117 amps and uses an external voltage regulator, serpentine belt drive, and a conventional pulley for direct-fit charging system service.

Key Features

  • 117 amp amperage rating for OE-style charging output
  • 12V alternator with negative polarity
  • Air-cooled design with internal fan
  • 6-groove conventional pulley included
  • Serpentine belt type with clockwise rotation
  • OE manufacturer reference: Nippondenso
  • Plug clock position: 1
  • BBB Industries REMAN ALTERNATOR 13876

Product Details

This remanufactured alternator is built for Jeep TJ and Jeep Wrangler models that use the listed charging system configuration. It features a 2-1/2 inch outside pulley diameter, external voltage regulator type, and a pulley included for service replacement. The BBB Industries REMAN ALTERNATOR 13876 is a practical choice when replacing a worn or failing alternator on 2001-2006 Jeep TJ and Wrangler vehicles with the matching setup.

This part cross-references 121000-3820 and 56041864AA for the same application.

Vehicle Fitment

  • Fits 2005-2006 Jeep TJ, N/A; 117 Amps; REMAN ALTERNATOR
  • Fits 2003 Jeep TJ, N/A; 117 Amps; REMAN ALTERNATOR
  • Fits 2005-2006 Jeep Wrangler, N/A; 117 Amps; REMAN ALTERNATOR
  • Fits 2003 Jeep Wrangler, N/A; 117 Amps; REMAN ALTERNATOR
  • Fits 2004 Jeep TJ, N/A; Std; 117 Amps; REMAN ALTERNATOR
  • Fits 2004 Jeep Wrangler, N/A; Std; 117 Amps; REMAN ALTERNATOR
  • Fits 2001-2002 Jeep TJ, N/A; Opt; 117 Amps; REMAN ALTERNATOR
  • Fits 2001-2002 Jeep Wrangler, N/A; Opt; 117 Amps; REMAN ALTERNATOR

Common Replacement Uses

  • Charging system warning light caused by alternator output loss
  • Battery not staying charged during normal driving
  • Dim lights or electrical instability at idle
  • Noise or wear related to alternator bearing or pulley condition
  • Replacement for a failed Jeep TJ or Jeep Wrangler alternator

Installation Notes

Verify pulley groove count, plug clock position, rotation direction, and voltage regulator type before installation. Confirm the vehicle uses the listed Nippondenso-style configuration and serpentine belt setup. Inspect the belt, electrical connectors, and charging circuit condition during replacement to help ensure proper system operation.

Quality Assurance

BBB Industries remanufactured electrical components are rebuilt for service replacement with attention to OE-style fit and function. This alternator is remanufactured to match the specified application requirements for Jeep TJ and Jeep Wrangler charging system service.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006JeepTJ4.0LL6N/A117 Amps; REMAN ALTERNATOR
2006JeepWrangler4.0LL6N/A117 Amps; REMAN ALTERNATOR
2005JeepTJ4.0LL6N/A117 Amps; REMAN ALTERNATOR
2005JeepWrangler4.0LL6N/A117 Amps; REMAN ALTERNATOR
2004JeepTJ4.0LL6N/AStd; 117 Amps; REMAN ALTERNATOR
2004JeepWrangler4.0LL6N/AStd; 117 Amps; REMAN ALTERNATOR
2003JeepTJ4.0LL6N/A117 Amps; REMAN ALTERNATOR
2003JeepWrangler4.0LL6N/A117 Amps; REMAN ALTERNATOR
2002JeepTJ4.0LL6N/AOpt; 117 Amps; REMAN ALTERNATOR
2002JeepWrangler4.0LL6N/AOpt; 117 Amps; REMAN ALTERNATOR
2001JeepTJ4.0LL6N/AOpt; 117 Amps; REMAN ALTERNATOR
2001JeepWrangler4.0LL6N/AOpt; 117 Amps; REMAN ALTERNATOR
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
121000-3820121000-382156041864AA56041864AB