BBB Industries
REMAN ALTERNATOR

BBB Industries 8478 Alternator

Brand BBB Industries 8478
AC Tap No
Amperage Rating 135
Brushless Design No
Cooling Method Air
Decoupled Or Clutch Pulley No
Fan Type Internal
Number Of Pulley Grooves 8
OE Manufacturer Ford
One Wire Capable No
Outside Pulley Diameter (in) 2-7/8
Outside Pulley Diameter (mm) 73
Plug Clock Position 10
Polarity Negative
Pulley Belt Type Serpentine
Pulley Included Yes
Pulley Type Conventional
Rotation Direction Clockwise
Series 6G
Voltage (V) 12
Voltage Regulator Type Internal
Product line REMAN ALTERNATOR
Fits Ford · 6 vehicles

Remanufactured unit. Restored for dependable charging performance.

135-amp output. Provides strong electrical support for demanding systems.

Pulley included. Ready for a straightforward replacement.

Cross-references 5C3T-10300-BA, 5C3Z-10346-BA and 6C3T-10300-BA for the same application. See all 5.

$187.71Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $187.71
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

BBB Industries 8478 Reman Alternator

BBB Industries 8478 is a remanufactured 12-volt alternator for Ford charging systems that require a 135-amp output. It uses an internal voltage regulator, internal fan, and conventional pulley design with an 8-groove serpentine belt setup for direct replacement service.

This BBB Industries REMAN ALTERNATOR line focuses on OE-style electrical replacement parts built around factory-style fitment and operating specifications. Part number 8478 matches Ford applications that use the 6G series alternator design and clockwise rotation.

Key Features

  • 135-amp amperage rating for Ford charging system applications
  • 12-volt alternator with internal voltage regulator
  • 6G series reman alternator construction
  • Internal fan and air cooling method
  • Conventional pulley included with 8 grooves
  • Serpentine belt pulley type with clockwise rotation
  • Negative polarity and 10 o’clock plug clock position
  • OE manufacturer reference: Ford

Detailed Description

BBB Industries 8478 is built for Ford Super Duty trucks that use a dual alternator setup and require the top-mounted unit. It fits 2005 Ford F-250 Super Duty and F-350 Super Duty models from 11/2004, plus 2006-2007 Ford F-250 Super Duty and F-350 Super Duty applications with the same dual alternator configuration. If you are searching for a reman alternator for 2006 Ford F-250 Super Duty or a 2007 Ford F-350 Super Duty top unit alternator, this part number is matched to those listed applications.

This alternator cross-references Ford service numbers 5C3T-10300-BA and 6C3T-10300-BA for the same application. Part number 8478 is also referenced in interchange listings for related Ford OE numbers, making it a practical replacement choice when restoring charging performance on Ford F-250 Super Duty and Ford F-350 Super Duty trucks.

What It Helps Fix

  • Low battery charging output
  • Battery warning light or charging system warning
  • Dim lights caused by weak alternator output
  • Voltage instability in the vehicle electrical system
  • Failure of the original top-unit alternator in dual alternator Ford setups

Installation Notes and Tips

Verify the vehicle uses a dual alternator system and the top-unit configuration before ordering. Confirm the 8-groove serpentine pulley, 10 o’clock plug clock position, clockwise rotation, and 135-amp specification against the original unit. For best results, inspect the battery, belt condition, and charging circuit connections during replacement so the new alternator can operate within the correct system load.

Quality Assurance

BBB Industries remanufactured electrical components are rebuilt to meet application-specific replacement needs for OE-style service. Part number 8478 is a reman alternator for Ford charging systems with the listed factory fitment and specifications.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2007FordF-250 Super Duty6.0LV8N/ADual Alt System; Top Unit (Originally Equipped); 135 Amps; REMAN ALTERNATOR
2007FordF-350 Super Duty6.0LV8N/ADual Alt System; Top Unit (Originally Equipped); 135 Amps; REMAN ALTERNATOR
2006FordF-250 Super Duty6.0LV8N/ADual Alt System; Top Unit (Originally Equipped); 135 Amps; REMAN ALTERNATOR
2006FordF-350 Super Duty6.0LV8N/ADual Alt System; Top Unit (Originally Equipped); 135 Amps; REMAN ALTERNATOR
2005FordF-250 Super Duty6.0LV8N/ADual Alt System; Top Unit; Originally Equipped; 135 Amps; From 11/2004; REMAN ALTERNATOR
2005FordF-350 Super Duty6.0LV8N/ADual Alt System; Top Unit; Originally Equipped; 135 Amps; From 11/2004; REMAN ALTERNATOR
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
5C3T-10300-BA5C3Z-10346-BA6C3T-10300-BA6C3Z-10346-BAHM