MPA Electrical 13789N Alternator

Brand MPA Electrical 13789N
Amps 80 Amps
Clock 4:00
Fan Internal
Manufacturer Hitachi
Pulley 5 Groove Serpentine
Regulator Internal
Rotation Clockwise
Volts 12 Volts
Product line New
Fits Nissan · 7 vehicles

New unit. Freshly built alternator for dependable charging performance.

Internal regulator. Integrated control helps simplify the charging system.

5-groove serpentine pulley. Matches modern belt setups for smooth power transfer.

Cross-references BBB Industries 13789, 23100-4S100 and 19134330 for the same application. See all 5.

$171.00Free shipping
In stock · usually ships same day before 1pm CST
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Order total $171.00
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Alternator for Nissan Frontier and Xterra

MPA Electrical Part Number 13789N is a 12-volt alternator built for 1999-2002 Nissan Frontier and 2000-2002 Nissan Xterra applications. It features an internal regulator, internal fan, clockwise rotation, and a 5-groove serpentine pulley for direct-fit charging system service.

This New line alternator is built around Hitachi specifications and is rated at 80 amps. If you are replacing a worn charging unit on a Nissan Frontier or Nissan Xterra, Part Number 13789N provides the core electrical and pulley configuration needed for the listed vehicles.

Key Features

  • 80 amp output for 12-volt charging systems
  • Internal regulator for integrated voltage control
  • Internal fan design
  • Clockwise rotation
  • 5-groove serpentine pulley
  • Built to Hitachi specifications
  • MPA Electrical New line replacement

Detailed Product Overview

MPA Electrical 13789N is an alternator for Nissan Frontier and Nissan Xterra models equipped with the listed charging system configuration. The unit uses an internal regulator and internal fan, with a 5-groove serpentine pulley and clockwise rotation. Its 80 amp rating supports standard vehicle electrical demand for the covered applications.

This part cross-references BBB Industries 13789 for the same application. It also cross-references 23100-4S100 and 19134330 for related OE-style replacement use. For buyers searching by vehicle, this alternator matches 1999-2002 Nissan Frontier and 2000-2002 Nissan Xterra fitment.

What This Alternator Helps Address

  • Battery warning light caused by charging system failure
  • Low system voltage during driving
  • Dim lights or inconsistent electrical output
  • Weak battery charging after startup
  • Alternator noise or charging irregularity

Installation Notes and Tips

Verify pulley groove count, rotation, regulator type, and amperage before installation. Confirm the vehicle’s charging system matches the listed 12-volt, internal-regulator, clockwise-rotation configuration. Compare the removed unit to Part Number 13789N and check connector and mounting details against the original alternator before final installation.

Quality Assurance

MPA Electrical builds this alternator to Hitachi-based specifications for the listed Nissan Frontier and Nissan Xterra applications. Part Number 13789N is a New line replacement intended for direct-fit charging system service on the confirmed vehicle coverage.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2002NissanFrontier3.3LV6N/ANew
2002NissanXterra3.3LV6N/ANew
2001NissanFrontier3.3LV6N/ANew
2001NissanXterra3.3LV6N/ANew
2000NissanFrontier3.3LV6N/ANew
2000NissanXterra3.3LV6N/ANew
1999NissanFrontier3.3LV6N/ANew
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 1378923100-4S10019134330LR180-756LR180-756B