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FWGC 8478R Alternator
| Brand | FWGC 8478R |
|---|---|
| Voltage | 12 |
| Fan Type | Internal |
| Rotation Direction | Clockwise (right) |
| Pulley Included | Yes |
| Family | Ford |
| Pulley Groove Quantity | 8 |
| Pulley Belt Type | Serpentine |
| Regulator Type | Internal |
| Decoupled Or Clutch Pulley | No |
| Amperage Rating | 135 |
| Fits | Ford · 12 vehicles |
OE-style replacement. Built for Ford-family charging-system applications with matched electrical output.
Internal regulation. Uses an internal regulator and fan for a compact alternator design.
Serpentine pulley. Includes an 8-groove pulley for the specified belt setup.
Cross-references BBB Industries 8478, 5C3T-10300-BA and 5C3T-BA for the same application. See all 10.
Overview
This alternator is built for Ford Super Duty charging-system applications that require 12-volt output and 135 amps. Part number 8478R is engineered with an internal regulator, internal fan, and an included pulley to match the specified serpentine-belt setup.
Key Features
- 12-volt alternator with 135-amp output
- Internal regulator and internal fan design
- Included pulley with 8-groove serpentine belt configuration
- Clockwise rotation, right-hand rotation direction
- Decoupled or clutch pulley not used
Detailed Description
Power Select alternators are engineered to deliver the amperage needed for modern electrical loads, and this unit uses proprietary components and manufacturing processes aimed at long service life and consistent performance. The 8478R is a Ford-family alternator with the correct pulley and rotation characteristics for the listed Super Duty applications, including dual-alternator setups where specified. If you are replacing a charging unit on a Ford F-250 Super Duty, Ford F-350 Super Duty, Ford F-450 Super Duty, or Ford F-550 Super Duty, this part number 8478R matches the fitment details shown for those vehicles.
Common Uses
- Restoring charging output when the alternator no longer maintains system voltage
- Replacing a worn unit with internal regulation and matched pulley configuration
- Addressing battery drain caused by insufficient alternator amperage
- Correcting charging-system issues in Ford Super Duty trucks with the listed fitment
Installation Notes
Verify the vehicle’s original alternator configuration, including dual-alternator layout, pulley groove count, and rotation direction, before installation. Confirm the application notes for top-unit placement and original amperage rating where listed. Part number 8478R cross-references BBB Industries 8478 for the same application.
Quality Assurance
Power Select alternators are manufactured with proprietary components and processes to support maximum life and performance in charging-system service.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2007 | Ford | F-250 Super Duty | 6.0L | V8 | Dual Alt System, Top Unit, 135 Amp (Originally Equipped) |
| 2007 | Ford | F-350 Super Duty | 6.0L | V8 | Dual Alt System, Top Unit, 135 Amp (Originally Equipped) |
| 2007 | Ford | F-450 Super Duty | 6.0L | V8 | Ford |
| 2007 | Ford | F-550 Super Duty | 6.0L | V8 | Ford |
| 2006 | Ford | F-250 Super Duty | 6.0L | V8 | Dual Alt System, Top Unit, 135 Amp (Originally Equipped) |
| 2006 | Ford | F-350 Super Duty | 6.0L | V8 | Dual Alt System, Top Unit, 135 Amp (Originally Equipped) |
| 2006 | Ford | F-450 Super Duty | 6.0L | V8 | Ford |
| 2006 | Ford | F-550 Super Duty | 6.0L | V8 | Ford |
| 2005 | Ford | F-250 Super Duty | 6.0L | V8 | Dual Alt System, Top Unit, From 11/2004, 135 Amp (Originally Equipped) |
| 2005 | Ford | F-350 Super Duty | 6.0L | V8 | Dual Alt System, Top Unit, From 11/2004, 135 Amp (Originally Equipped) |
| 2005 | Ford | F-450 Super Duty | 6.0L | V8 | Ford |
| 2005 | Ford | F-550 Super Duty | 6.0L | V8 | Ford |
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