Underground Power UGP 320a Small Case Ford Alternator

Underground Power Alternators

Underground Power UGP 320a Small Case Ford Alternator


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Whether your looking to power your small daily setup or compete on the weekends the Underground Power 320a Ford alternator has the power your amps are craving. You can have thousands into amps, batteries and subwoofers, but without the proper amperage to maintain everything, your voltage will suffer.  HEAR and FEEL the Power your system has been missing!

These alternators are built to order. Please allow 1-2 weeks build time for alternator to get built.

Please provide Year, Make, Model and Engine size at checkout to insure alternator is built to proper spec. In the event that we are unable to build an alt for your specific engine, we will refund the order.

Underground Power UGP 320a Small Case Ford Alternator Specs:

  • Alternator output (HOT): 320a
  • Built to order

We are proud to be an authorized Underground Power UGP dealer.

Additional information

Weight 18 lbs
Dimensions 10 × 10 × 10 in

Alternator Output


Alternator Style

Small Case


Underground Power warrants that this product will be free from defects in materials and workmanship under normal use and service, subject to the express terms, remedies, exclusions, conditions, limitations, and disclaimers set forth below.

Warranty Term and Remedies.

For LifePo4 batteries (such as models 40Ah, 60Ah, 80Ah, and 100Ah in their 12v, 24v, and 36v formats), the limited warranty provided hereunder shall extend for one (1) years from the date of the product’s purchase. Should any covered defect in materials or workmanship be discovered during the limited warranty period, Underground Power will repair or replace the product free of charge minus shipping fees. The following damage is specifically excluded:

  • Over discharge below 10V open circuit voltage or jumping your or someone else’s vehicle with a dead battery (under 11volts).
  • Overcharge above 14.8V.
  • Capacity is not guaranteed (ie. if the battery still accepts energy and discharges energy, it is considered “good”)
  • Internal resistance is not guaranteed. (ie. if the battery was at 4milliΩ new and now is 6, 8, 10 or greater milliΩ internal resistance, it is considered “good”)
  • Water damage and resulting internal corrosion.
  • Physical damage such as case cracks from drops, impacts, or crushing it with a battery mount.

This limited warranty shall not apply to damage to or failure of a product that results from:

  1. Any negligence other than by Underground Power;
  2. Accident (including, but not limited to, damage during shipment and natural disasters)
  3. Other circumstances beyond Underground Power’s control (including, but not limited to, normal capacity loss or increased resistance due to product aging)
  4. Improper installation, operation (including, but not limited to, abnormal or non-consumer use or use in an environment outside the recommended temperature range), maintenance, or storage (including, but not limited to, storage in an overly discharged state)
  5. Any other damage directly or indirectly caused by the product’s owner, other third parties, or other products (including, but not limited to, misuse, abuse, overcharging, over-discharging, exceeding of the product’s limitations set forth in the product’s specification sheet or label, neglect, physical damages caused by accidents or crashes, alterations, or connection to poorly-grounded battery chargers).

This limited warranty shall also not apply to defects or non-conformities due to the manufacturing process discovered after the expiration of the applicable warranty period. This warranty does not extend to any damage caused by affixing any parts or equipment not purchased from Underground Power to the product and no warranties, either express or implied, are made with respect to equipment or products not produced by Underground Power.

If the product is relocated outside of the continental United States during the applicable warranty period, the product’s owner will be responsible for any additional charges (including, but not limited to, shipping and other related charges and expenses) incurred during the warranty process as a result of such relocation.

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