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 6/3/2026
Buy Now
Also check Amazon
Search for this product on Amazon
Price and availability may vary. Click to verify current pricing.
Need this installed?
Browse 52+ professional car audio installers in our network
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.
Customer Reviews
-
0 reviews
5
0
4
0
3
0
2
0
1
0
Sign in to write a review
Loading reviews...
More from Mechman Alternators

320 amp high output alternator F250 F350 Excursion 6.0L 7.3L Powerstroke Diesel
Alternator

320 Amp Racing Alternator - Natural Finish
Alternator

370-Amp V-Mount High Output Alternator For SOHC Ford Modular Engines
Alternator

S Series 240A Racing Alt - Replaces L Mount CS130 - Machined
Alternator

240A Racing Alternator 88-95 GM Truck Mount - Chrome
Alternator

370-amp Billet high output alternator for Ram-Hemi
Alternator
No Builds Yet
Be the first to showcase a build with this Alternator!
Compare to Similar Alternators
Similar Alternators

Autotech
Autotech Engineering 320A High-Output Alternator
1 build

Brand X Electrical
Brand X Electrical 300XL High-Output Alternator
1 build
JL Audio
Stealthbox Jeep Wrangler Unlimited
JL Audio
Stealthbox for '19-Up RAM

Excessive Amperage
Excessive Amperage 390 Amp Alternator For A 2020 Hyundai Elantra SE 2.0l
JL Audio
