Breadcrumb Home Parts & Service Verifying Your Alternator Verifying Your Alternator Verifying your alternator To protect our customers from what has become a global threat, we have adopted a ‘zero tolerance’ strategy to fight the counterfeiters. Some counterfeit alternators displaying the STAMFORD® brand may inevitably get to market, so to enable authenticity, we affix all new STAMFORD® alternators will a high security 3D hologram. To authenticate your STAMFORD® alternator, key in your 7-digit hologram number on our verification page. Ensure your machine is a Genuine STAMFORD® Follow our three step process to verify your alternator. Verify your alternator