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Products Covered: Each alternator, voltage regulator, isolator, wiring harness, and external rectifier manufactured and sold as new by HD Power Solutions, Inc. (HDPSI) is covered by the HDPSI Standard Limited Warranty.

Warranty Period and Condition: HDPSI warrants each HDPSI product sold as new against failure due to defects in material or workmanship for a period of 12 months. HDPSI will, at its sole discretion, repair or replace on an exchange basis, any unit which is returned to HDPSI and found, to the satisfaction of HDPSI, to be defective in material and/or workmanship.

Warranty Period and Start Date: The HDPSI warranty starts when the end user purchases our product for installation and use, and extends through 12 calendar months thereafter. Proof of purchase is required when submitting warranty claims. 

What is NOT Covered: HDPSI does not assume responsibility for loss of any vehicle, including boats or any other equipment, loss of use of a vehicle. HDPSI shall not be liable for incidental or consequential damages arising out of, or from the use of, HDPSI products by the buyer, its assignees, employees, agents or customers.

This warranty does not apply if, in the sole judgment of HDPSI, the product has been damaged due to accident, improper installation, adjustment, wiring, neglect, misuse or installed in application for which it is not designed for, or if altered in any way so as to affect adversely its safety, reliability and/or performance. 

HDPSI HomeAlternatorsIsolatorsRegulatorsTrouble Shooting GuidesWarrantyContact HDPSI