Part #: N13389

BBB Industries N13389 Alternator

NEW ALTERNATOR
⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦NEW ALTERNATOR
🚗Fitment: Lexus, SC400
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Reliable Alternator Replacement for Lexus SC400

The BBB Industries NEW ALTERNATOR N13389 is designed specifically for the Lexus SC400, providing a dependable 12-volt electrical charging solution. Engineered to meet OEM specifications, this alternator ensures consistent performance and compatibility with your vehicle's electrical system.

  • Amperage Rating: 120 amps for efficient power output
  • Cooling Method: Air-cooled with an internal fan for optimal temperature control
  • Pulley Type: Conventional 6-groove serpentine pulley included
  • Rotation Direction: Clockwise to match factory setup
  • Voltage Regulator: Internal for simplified installation and reliable voltage control
  • Polarity: Negative for direct compatibility with Lexus SC400 electrical system
  • OE Manufacturer: Nippondenso, ensuring OEM-level quality and fit

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 precise fitment, making it suitable for vehicles like the Lexus SC400 that require reliable electrical charging components. The N13389 alternator is part of this line, offering a balance of performance and quality with features such as an internal voltage regulator and a conventional pulley system.

Detailed Product Description

This alternator features a 120-amp output, providing sufficient electrical power for the Lexus SC400's charging and starting needs. It uses an air cooling method with an internal fan to maintain optimal operating temperatures during vehicle operation. The included pulley is a conventional type with six grooves designed for serpentine belts, measuring 2-3/8 inches (60 mm) in diameter. The alternator rotates clockwise and has a negative polarity, matching the original equipment specifications. The plug clock position is set at 12 o'clock, facilitating straightforward electrical connections. This alternator is not brushless and does not include an AC tap or clutch pulley, aligning with the original design for this vehicle model.

Common Issues Addressed by This Alternator

  • Failure to charge the battery properly
  • Intermittent electrical system malfunctions
  • Dim or flickering headlights and dashboard lights
  • Battery warning light illumination on the dashboard
  • Unusual noises from the alternator pulley or bearings

Installation Notes and Tips

When installing the BBB Industries NEW ALTERNATOR N13389 on a Lexus SC400, ensure the serpentine belt is properly aligned with the 6-groove pulley. Verify the plug clock position at 12 o'clock for correct electrical connections. Since this alternator includes an internal voltage regulator, no external regulator wiring is necessary. Confirm the rotation direction is clockwise to match the factory setup. It is recommended to inspect the battery and related electrical components during installation to ensure optimal system performance.

Quality Assurance and Warranty

BBB Industries manufactures the NEW ALTERNATOR line to meet OEM standards, with components sourced from Nippondenso. This alternator undergoes rigorous testing to ensure durability and reliable operation. While specific warranty details are not provided here, BBB Industries typically offers limited warranties on their alternators to cover defects in materials and workmanship.

BrandBBB Industries
Part NumberN13389
PositionNEW ALTERNATOR
AC TapNo
Amperage Rating120
Brushless DesignNo
Cooling MethodAir
Decoupled Or Clutch PulleyNo
Fan TypeInternal
Number Of Pulley Grooves6
OE ManufacturerNippondenso
One Wire CapableNo
Outside Pulley Diameter (in)2-3/8
Outside Pulley Diameter (mm)60
Plug Clock Position12
PolarityNegative
Pulley Belt TypeSerpentine
Pulley IncludedYes
Pulley TypeConventional
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeInternal

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1994LexusSC4004.0LV8N/A120 Amp Alternator - please confirm fitment and compatibility with your vehicle before purchasing.; NEW ALTERNATOR
1993LexusSC4004.0LV8N/A120 Amp Alternator - please confirm fitment and compatibility with your vehicle before purchasing.; NEW ALTERNATOR
1992LexusSC4004.0LV8N/A120 Amp Alternator - please confirm fitment and compatibility with your vehicle before purchasing.; 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:

100211-641027060-50040

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