TERREPOWER 13873CP alternator for the 2003-2004 Jeep Grand Cherokee V8 4.7L and other vehicles is a remanufactured alternator that recharges the battery and powers the electrical system. It is designed for dependable service across the life of the vehicle.
A battery warning light, dimming headlights or a battery that keeps running down can mean the alternator is failing. A weak battery, a worn drive belt or corroded cable ends can be behind these signs too, so find the cause before buying a replacement.
This listing is one alternator, and it fits the 2003-2004 Jeep Grand Cherokee V8 4.7L, the 2003-2006 Jeep Liberty V6 3.7L and the 2003-2004 Dodge Dakota V8 4.7L with one unit per vehicle.
Fit and size
Build and materials
One remanufactured alternator with its pulley.
Interchange: 121000-4540
This part cross-references / interchanges with the following part numbers:
Will this work as a 2003-2006 Jeep Liberty V6 3.7L alternator?
Yes. The TERREPOWER 13873CP fits the 2003-2006 Jeep Liberty V6 3.7L, and that vehicle takes one.
Is this a 2003-2004 Dodge Dakota V8 4.7L alternator?
Yes. This alternator fits the 2003-2004 Dodge Dakota V8 4.7L, with one needed per truck.
Does the TERREPOWER 13873CP come with the pulley?
Yes. The clutch pulley is included, with 6 grooves for a serpentine belt and a 58 mm (2-1/4 in) outside diameter.
How many amps is this remanufactured alternator rated for?
This alternator is rated at 136 amperes on a 12 volt DC system.
Is this a one-wire alternator?
No. TERREPOWER 13873CP is not one-wire capable and uses an external regulator.
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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.
