240 Amp High Output Alternator - 1997-1998 Ford 7.3L Power Stroke

240 Amp High Output Alternator for 1997-1998 Ford 7.3L Power Stroke

Fits the 7.3L Power Stroke in 1997-1998 Ford Super Duty trucks. This is a direct bolt-in upgrade over the factory unit — same mount, same pulley position, no bracket modification.

Diesel engines spend most of their working life at low RPM, and that is exactly where a stock alternator runs out of headroom. This unit holds 200+ amps at engine idle and delivers a full 240+ amps at cruising speed, hot rated — enough for a lift pump, auxiliary lighting, a winch, a plow, a welder or a competition-grade stereo without watching your voltage sag at every stoplight.

Engine codes covered: 7.3L OBS

Vehicles: Ford Super Duty F250 F350

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Manufacturer specifications and full fitment

This late model large case hairpin alternator is a great bolt-in upgrade for the early Powerstroke trucks. It features twin rectifiers, 12 huge press fit diodes, and premium bearings for outstanding durability, far beyond what the origional Ford alternator can provide. These units crank out 180+ amps at idle on Diesel applications, with a full 240+ amps at vehicle cruising speed!

Name	Model	Engine	Year(s)	Amperage
FORD	Super Duty	7.3 Diesel	97-98	240a