Part #: 8303

BBB Industries 8303 Alternator

REMAN ALTERNATOR
⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦REMAN ALTERNATOR
🚗Fitment: Ford and Lincoln, Expedition and Navigator
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Reliable Alternator Replacement for Ford Expedition and Lincoln Navigator

The BBB Industries REMAN ALTERNATOR 8303 is designed to provide dependable electrical charging performance for select Ford and Lincoln vehicles. Engineered to meet original equipment specifications, this alternator ensures consistent power delivery and efficient operation for your 12-volt electrical system.

Key Features of the BBB Industries REMAN ALTERNATOR 8303

  • Amperage Rating: 135 amps for stable electrical output
  • Cooling Method: Air-cooled with an internal fan for effective heat dissipation
  • Decoupled Clutch Pulley included to reduce belt wear and improve drivability
  • Six-groove serpentine pulley with a 2-9/16 inch (65 mm) diameter
  • Clockwise rotation direction with negative polarity
  • Internal voltage regulator for consistent voltage control
  • OE Manufacturer: Ford, ensuring proper fit and function
  • Plug clock position at 10 o'clock for correct electrical connections

Detailed Description of the REMAN ALTERNATOR 8303

This alternator from BBB Industries is part of the REMAN ALTERNATOR product line, which focuses on remanufactured components that meet or exceed original equipment standards. The 8303 alternator features a clutch pulley design that helps reduce stress on the serpentine belt system, enhancing overall durability. Its air cooling system with an internal fan maintains optimal operating temperatures, while the internal voltage regulator ensures stable electrical output. Designed specifically for Ford Expedition and Lincoln Navigator models, this alternator supports a 12-volt system with a 135-amp rating, suitable for vehicles requiring reliable charging performance.

Common Applications and Issues Addressed

  • Replacement for failing or weak alternators in Ford Expedition and Lincoln Navigator
  • Resolves battery charging problems and electrical system malfunctions
  • Addresses belt slippage or noise caused by worn pulley components
  • Improves vehicle starting reliability and accessory function
  • Eliminates voltage irregularities affecting vehicle electronics

Installation Notes and Tips

  • Ensure compatibility with your specific Ford Expedition or Lincoln Navigator model year before installation
  • Verify the pulley groove count and diameter match your vehicle’s belt system
  • Check the plug clock position and polarity for proper electrical connections
  • Use appropriate tools to remove and install the clutch pulley alternator safely
  • Inspect serpentine belt condition and replace if worn during alternator installation

Quality Assurance and Warranty Information

BBB Industries remanufactured alternators undergo rigorous testing to meet OEM standards for performance and durability. The REMAN ALTERNATOR 8303 is built to provide reliable service life and consistent electrical output. Please refer to BBB Industries’ warranty policy for specific coverage details on remanufactured parts.

BrandBBB Industries
Part Number8303
PositionREMAN 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; REMAN ALTERNATOR
2004FordExpedition4.6LV8N/AOpt (Originally Equipped); 135 Amps; REMAN ALTERNATOR
2004LincolnNavigator5.4LV8N/AOpt (Originally Equipped); 135 Amps; REMAN ALTERNATOR
2003FordExpedition5.4LV8N/AOpt (Originally Equipped); 135 Amps; REMAN ALTERNATOR
2003FordExpedition4.6LV8N/AOpt (Originally Equipped); 135 Amps; REMAN ALTERNATOR
2003LincolnNavigator5.4LV8N/AOpt (Originally Equipped); 135 Amps; REMAN 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.