Part #: N8303

BBB Industries N8303 Alternator

NEW ALTERNATOR
6 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
NEW ALTERNATOR
Fitment: Ford and Lincoln, Expedition and Navigator
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Alternator Replacement for Ford and Lincoln Vehicles

The BBB Industries NEW ALTERNATOR N8303 is designed to provide consistent electrical charging performance for select Ford and Lincoln models. Engineered to meet OEM specifications, this alternator ensures dependable power delivery for your Expedition or Navigator.

Key Features of the BBB Industries NEW ALTERNATOR N8303

  • Amperage Rating: 135 amps for efficient electrical output
  • Cooling Method: Air-cooled with an internal fan for optimal temperature management
  • Clutch Pulley Included: Yes, with a 6-groove serpentine belt pulley
  • Rotation Direction: Clockwise to match factory setup
  • Voltage: 12 volts with an internal voltage regulator
  • OE Manufacturer: Ford, ensuring proper fit and function
  • Polarity: Negative for compatibility with vehicle electrical systems
  • Plug Clock Position: 10 o'clock for correct wiring alignment

Detailed Description of the NEW ALTERNATOR N8303

This alternator from BBB Industries features a clutch pulley design that helps reduce belt wear and noise, improving overall drivetrain efficiency. The 135-amp output supports the electrical demands of Ford Expedition and Lincoln Navigator models, maintaining battery charge and powering vehicle electronics. Its air cooling system with an internal fan prevents overheating during operation. The pulley diameter measures 2-9/16 inches (65 mm) with six grooves, designed for serpentine belt systems. The internal voltage regulator simplifies installation and ensures stable voltage output. This alternator rotates clockwise and includes a negative polarity setup, matching the original equipment specifications for seamless integration.

Compatible Vehicles and Common Applications

  • Replacement alternator for Ford Expedition models requiring a 135-amp output
  • Suitable for Lincoln Navigator vehicles with matching electrical and pulley specifications
  • Addresses issues such as battery not charging, dimming lights, or electrical system failures
  • Ideal for restoring charging system reliability in vehicles with worn or faulty alternators

Installation Notes and Tips

  • Ensure the pulley grooves and diameter match the existing serpentine belt system
  • Verify the plug clock position at 10 o'clock for proper electrical connection
  • Check for clockwise rotation compatibility before installation
  • Use appropriate tools to remove and install the clutch pulley alternator safely
  • Inspect belt tension and condition during replacement to avoid premature wear

Quality Assurance and Warranty Information

BBB Industries' NEW ALTERNATOR product line is manufactured to meet or exceed OEM standards, providing reliable performance for Ford and Lincoln vehicles. The N8303 alternator undergoes rigorous testing to ensure durability and consistent electrical output. While specific warranty details may vary, BBB Industries typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or retailer for exact warranty terms.

BrandBBB Industries
Part NumberN8303
PositionNEW ALTERNATOR
AC TapNo
Amperage Rating135
Brushless DesignNo
Cooling MethodAir
Decoupled Or Clutch PulleyYes
Fan TypeInternal
Number Of Pulley Grooves6
OE ManufacturerFord
One Wire CapableNo
Outside Pulley Diameter (in)2-9/16
Outside Pulley Diameter (mm)65
Plug Clock Position10
PolarityNegative
Pulley Belt TypeSerpentine
Pulley IncludedYes
Pulley TypeClutch
Rotation DirectionClockwise
Series6G
Voltage (V)12
Voltage Regulator TypeInternal

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004FordExpedition5.4LV8N/AOpt (Originally Equipped); 135 Amps; NEW ALTERNATOR
2004FordExpedition4.6LV8N/AOpt (Originally Equipped); 135 Amps; NEW ALTERNATOR
2004LincolnNavigator5.4LV8N/AOpt (Originally Equipped); 135 Amps; NEW ALTERNATOR
2003FordExpedition5.4LV8N/AOpt (Originally Equipped); 135 Amps; NEW ALTERNATOR
2003FordExpedition4.6LV8N/AOpt (Originally Equipped); 135 Amps; NEW ALTERNATOR
2003LincolnNavigator5.4LV8N/AOpt (Originally Equipped); 135 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:

3L74-10300-AA3L74-10300-BA3L74-10300-BB3L74-10346-AA3L7Z-10346-AA3L7Z-10346-BAFLHS

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