• High Output Alternator for Ford F-250 F-350 F-450 F-550 (1999-2001) 7.3L
  • High Output Alternator for Ford F-250 F-350 F-450 F-550 (1999-2001) 7.3L
  • High Output Alternator for Ford F-250 F-350 F-450 F-550 (1999-2001) 7.3L
  • Action Shot: Ford F-250,F-350,F-450,F-550 Driving Fast

High Output Alternator for Ford F-250 F-350 F-450 F-550 (1999-2001) 7.3L

$236.95
$236.95
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High-Output 250A Alternator for 1999-2001 Ford F-250, F-350, F-450, F-550 (P131)

What it Does: The 250-amp high-output alternator replaces the factory charging unit on 1999-2001 Ford Super Duty trucks to supply reliable high-amperage power, preventing voltage drop under heavy electrical loads and accessory draw.

The Stock Ford F-250, F-350, F-450, F-550 Charging Limitations

Factory P131 platform trucks equipped with the 7.3L Power Stroke diesel rely on stock alternators rated between 110 and 130 amps. Cold-start cycles with high-draw glow plug relays and HEUI injector solenoid demands immediately pull heavy current from the dual-battery system. When paired with common aftermarket additions—such as auxiliary lighting, snowplows, recovery winches, or power inverters—the stock unit suffers severe thermal saturation, low idle voltage output, and premature rectifier diode failure.

The Engineering Solution

Engineered and manufactured in the USA, this direct-replacement 250-amp alternator features heavy-duty copper hairpin stator windings and a robust avalanche diode rectifier to ensure optimal heat dissipation and sustained current delivery. Designed to generate substantial amperage even at low engine idle speeds, it protects sensitive engine control modules and batteries from voltage sag. Direct bolt-in fitment allows seamless installation on stock accessory brackets, mating precisely with factory wiring configurations and OE reference F81U10300EB.

What's Included

  • 1x 250-Amp High-Output Alternator (Made in USA)

Technical Specifications

Fitment 1999-2001 Ford F-250, F-350, F-450, F-550
Engine / Chassis 7.3L Power Stroke (T444E) / P131
Stock Output 235-250 hp / 500-525 lb-ft
Replaces OEM Part # F81UEB, GL412, GL-412, AL7555X, 7796, 7796n, F81U10300EB, F81Z10346EA, 7796-250A

Compatibility

  • 1999-2001 Ford F-250 Super Duty 7.3L Turbo Diesel
  • 1999-2001 Ford F-350 Super Duty 7.3L Turbo Diesel
  • 1999-2001 Ford F-450 Super Duty 7.3L Turbo Diesel
  • 1999-2001 Ford F-550 Super Duty 7.3L Turbo Diesel

Frequently Asked Questions & Fitment Warnings

Does this fit the P131 F-250, F-350, F-450, F-550?

Yes, this is a direct fit for the 1999-2001 Ford F-250, F-350, F-450, F-550 equipped with the 7.3L Power Stroke turbo diesel engine.

Do I need to upgrade the main charging cable with this alternator?

Upgrading the primary B+ charging wire and engine ground to a heavy-gauge cable (4 AWG or larger) with an inline fuse is strongly recommended to safely carry the full 250-amp output.

The Ford Super Duty Standard

Built for rigorous commercial fleet duty, intense job-site demands, and heavy fifth-wheel towing, this unit ensures your Super Duty electrical system delivers consistent voltage under extreme operating conditions.

Mueble

Hacer

Ford

Tamaño del motor
  • 7.3L

Año
  • 1999
  • 2000
  • 2001

Garantía

Todos los productos están respaldados por nuestra garantía limitada de por vida. Confiamos en nuestra calidad. [Ver términos y condiciones]
High Output Alternator for Ford F-250 F-350 F-450 F-550 (1999-2001) 7.3L

$236.95