The Grand Rock V-Band Clamp is a durable replacement for the Cummins 5.9L OEM # 52121285AA. Made of stainless steel, it measures 5.00 inches in diameter and 5.33" x 5.53" x 0.24" in size. Sold individually, it fits Cummins 2004-2007 5.9L # 52121285AA, Dodge models with Cummins # 52121285AA, and Ford 2004-2007 5.9L Cummins # 52121285AA models. This V-Band Clamp is a practical and reliable solution for your Cummins engine needs.