320 Amp Alternator For 3.7 / 4.7 Chrysler Late
This 320 amp S Series small case alternator is all about max power and is not designed to charge at low idle speeds. Vehicles with small crankshaft pulleys and idle speeds below 800 may not charge at low idle. If power at lower idle speeds is what you need please look at our 240 amp S Series alternator. This S series 320 amp 6 phase alternator offers incredible output in a compact and durable package. 12 diodes, twin rectifier plates and outstanding airflow ensure long service life, even in severe conditions. 320 Amps of power at cruising speeds and 140 amps of power at 800 RPM (assuming a 3 to 1 crankshaft to alternator pulley ratio). This alternator comes with a 1.75" diameter pulley and may require being installed with a belt slightly shorter than stock. Fitment Guide:Make Model Engine Size YearDodge Dakota 3.7L / 4.7L 2000 - 2006Dodge Durango 3.7L / 4.7L 2004 - 2006Dodge Ram 1500 3.7L / 4.7L 2002 - 2006Jeep Grand Cherokee 3.7L 2005 - 2006Jeep Grand Cherokee 4.7L 1999 - 2006Jeep Liberty 3.7L 2002 - 2006 View AllClose Warranty Information 2 year performance guarantee.The MechMan two year warranty applies to Mechman Alternators sold ON or AFTER 07/13/2011. This limited two year warranty allows the customer to return his or her MechMan alternator for repair for a full two years after the alternator purchase date. This warranty does not cover other parts or equipment on the vehicle, and does not cover labor for removal or installation of the alternator. This warranty is VOID if the MechMan alternator is modified, physically abused, misused, improperly installed, or is not used in the application for which it was designed. The MechMan two year warranty is non-transferrable. The customer must include a copy of the original invoice when sending in their alternator in order to receive warranty service. The customer is responsible for shipping the alternator to the Mechman facility for warranty service, Mechman will p
Specifications
voltage
14
engine size
3.7L/4.7L
amperage amps
320
alternator type
high_output
Where to Buy
D
Down 4 Soundcom
Updated 5/16/2026
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Frequently Asked Questions
What is the Mechman Alternators 320 Amp Alternator For 3.7 / 4.7 Chrysler Late?
The Mechman Alternators 320 Amp Alternator For 3.7 / 4.7 Chrysler Late is a car audio equipment made by Mechman Alternators. View full specifications and where to buy on this page.
Where can I buy the Mechman Alternators 320 Amp Alternator For 3.7 / 4.7 Chrysler Late?
You can purchase the Mechman Alternators 320 Amp Alternator For 3.7 / 4.7 Chrysler Late from authorized dealers listed in the "Where to Buy" section on this page. We recommend buying from authorized retailers to ensure warranty coverage and genuine products.
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