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CHARGING SYSTEMS
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FORD · Alternator
AlternatorIR/IFFORD

8251

PIC250-271A, 250-271
Voltage
12V
Amperage
130A
Rotation
CW
15 interchanges4 applications22 components
Note:This is a Ford 4GHO (High Output - 6G Stator and Rotor) Version of the 8251. | This is a Ford 4G Alternator That Appears to Be the Same as the 7781 Used Earlier, Except This Unit Uses an 8-Groove Pulley. It is Unclear if the Pulleys Will Transfer, or if There are Any Other Differences.

Specifications

Full technical detail

Type
Alternator
Manufacturer
FORD
Design
IR/IF
Voltage
12V
Amperage
130A
Rotation
CW
MFR Series
4G
Pulley Design
S8
Pulley Groove OD
0
Plug Code
330
Plug Clock
1:00

Vehicle applications

Fits 4 configurations

Domestic(4)
MakeModelEngineYears
Ford(Truck)F-150V8 5.4L 330cid VIN 32003–2003
Ford(Truck)F-150V8 5.4L 330cid VIN 31999–2002
Ford(Truck)F-150 HeritageV8 5.4L 330cid VIN 32004–2004
Ford(Truck)LoboV8 5.4L 330cid2000–2000

Component breakdown

Replacement parts that go inside this unit

ComponentPart numbers
Bearing, Ball5-4002 5-4700
Cover, Alt8450-5100
Frame, DE, Alt7650-5223
Nut9500-1508
Plug Code9801-330
Plug Code9801-330
Pulley7900-1008
Pulley7900-1008
Rectifier7750-2525
Regulator & Brush Holder8050-517
Regulator & Brush Holder8050-517
Repair Kit, Str6950-1055
Repair Kit, Str6950-1055
Retainer, Bearing, Alt8550-504
Rotor7050-2934
Rotor7050-2934
Screw9650-5014 9650-5016
Slip Ring, Rotor7150-512
Stator7250-6726
Test Lead, Alt9800-MZ
Test Lead, Alt9800-MZ
Thru Bolt9650-5017