This high pressure fuel rail also referred to by Cummins as an accumulator, is a genuine OEM Cummins issued part. It is also a genuine BOSCH made part for Cummins as their original OEM fuel rail from factory for common rail 6.7L Cummins engines. The part number for this fuel rail is: 5295117. Please refer back to the part number for fitment and review the photos before making your purchase. Thank you for choosing EKG Diesel!