Comments: THIS DSL EXHAUST FLUID TANK HEADER IS AN EMISSION CRITICAL COMPONENT T HAT IS COVERED UNDER THE ENGINE OEM, CUMMINS EMISSION WARRANTY PROGRAM , 5 YEAR OR 3,000 HOURS. IF A DEF HEADER FAILURE HAS OCCURRED WITHIN T HE WARRANTY COVERAGE TIME FRAME, PLEASE CONTACT YOUR LOCAL CUMMINS DIS TRIBUTOR FOR SERVICE SUPPORT.