Remy 23689 alternator for the 1999-2003 Ford F-150 V8 5.4L and other vehicles charges the battery and supplies power to the electrical system while the engine runs. This is a remanufactured unit.
A battery warning light, dimming headlights or a battery that keeps going flat can point to a charging problem. These signs alone do not prove the alternator is at fault; a weak battery is another common cause.
This alternator fits the 1999-2003 Ford F-150 V8 5.4L and the 2004 Ford F-150 Heritage V8 5.4L; both take one.
Fit and size
Build and materials
One alternator with its pulley.
Interchange: 1L3T-10300-AB · XL3U-10300-AA · XL3U-10300-AB · XL3Z-10346-AA
This part cross-references / interchanges with the following part numbers:
Is this Ford F-150 alternator right for the 1999-2003 model years with the V8 5.4L?
Yes. Remy 23689 fits the 1999-2003 Ford F-150 V8 5.4L and the 2004 Ford F-150 Heritage V8 5.4L, one per vehicle.
What is the output of this Remy Electrical alternator?
Remy 23689 is rated 130 amps at 12 volts DC and turns clockwise (right).
Does the Remy 23689 alternator come with its pulley?
Yes, the pulley is included with the alternator.
Does this alternator have an internal voltage regulator?
Yes. The regulator is internal, and the fan is internal as well.
What signs can point to a worn alternator like the Remy 23689?
A battery warning light, dimming headlights or a battery that keeps going flat can point to a charging problem. A shop can test the charging system to confirm it.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
