HomeMPA Electrical 13876N Alternator
Part #: 13876N

MPA Electrical 13876N Alternator

New
12 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$162.40Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
Out of Stock
OE Direct Replacement — Bolt-on fit, no modifications needed
New
Fitment: Jeep, TJ and Wrangler
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Alternator for Jeep TJ and Wrangler

The MPA Electrical New 13876N alternator is designed to provide consistent electrical performance for Jeep TJ and Wrangler models. Engineered with quality components, this 12-volt alternator delivers 117 amps to support your vehicle's charging system needs.

  • 117 amps output for stable electrical supply
  • 12 volts system compatibility
  • Internal fan for efficient cooling
  • 6 groove serpentine pulley design
  • External voltage regulator for precise control
  • Clockwise rotation suitable for Jeep TJ and Wrangler
  • Manufactured by Nippondenso for reliable performance

Detailed Alternator Features and Specifications

This MPA Electrical New alternator, part number 13876N, is built with an internal fan to maintain optimal operating temperatures during vehicle use. The 6 groove serpentine pulley ensures proper belt alignment and power transfer, matching the requirements of Jeep TJ and Wrangler models. Featuring an external voltage regulator, this alternator allows for accurate voltage management, protecting your vehicle's electrical components. The clockwise rotation matches the original equipment specifications, ensuring compatibility and ease of installation. Manufactured by Nippondenso, a recognized name in automotive electrical parts, this alternator meets the performance standards expected for Jeep vehicles.

Compatible Applications and Common Issues Addressed

  • Replacement for failing or underperforming alternators in Jeep TJ and Wrangler
  • Resolves battery charging problems and electrical system failures
  • Addresses dimming headlights or electrical accessory malfunctions
  • Fixes issues related to overheating alternators with internal fan design
  • Corrects pulley or belt slippage due to worn or incompatible alternators

Installation Notes and Tips

When installing the MPA Electrical New 13876N alternator, ensure the serpentine belt is properly aligned with the 6 groove pulley. Verify the clockwise rotation matches your vehicle’s original alternator to avoid compatibility issues. The external voltage regulator requires correct wiring connections for optimal performance. It is recommended to disconnect the battery before installation to prevent electrical shorts. Professional installation is advised for those unfamiliar with alternator replacement procedures.

Quality Assurance and Product Line Information

The MPA Electrical New product line focuses on delivering updated and reliable electrical components for automotive applications. This alternator is part of that line, emphasizing quality manufacturing and adherence to OEM specifications. While specific warranty details are not provided, MPA Electrical products typically undergo rigorous testing to ensure durability and performance in demanding conditions.

BrandMPA Electrical
Part Number13876N
PositionNew
Amps117 Amps
Clock2:00
FanInternal
ManufacturerNippondenso
Pulley6 Groove Serpentine
RegulatorExternal
RotationClockwise
Volts12 Volts

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006JeepTJ4.0LL6N/ANew
2006JeepWrangler4.0LL6N/ANew
2005JeepTJ4.0LL6N/ANew
2005JeepWrangler4.0LL6N/ANew
2004JeepTJ4.0LL6N/A117 Amp Alternator; New
2004JeepWrangler4.0LL6N/A117 Amp Alternator; New
2003JeepTJ4.0LL6N/ANew
2003JeepWrangler4.0LL6N/ANew
2002JeepTJ4.0LL6N/AOptional, w/ 117 amp alt.; New
2002JeepWrangler4.0LL6N/AOptional, w/ 117 amp alt.; New
2001JeepTJ4.0LL6N/AOptional, w/ 117 amp alt.; New
2001JeepWrangler4.0LL6N/AOptional, w/ 117 amp alt.; New

* 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:

121000-3820121000-3821138761913440456041864AA56041864AB89037316

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