Condition: Brand New & Fast shippping from US. 23523998, R23523998, DDE 23523998, DDE R23523998. MPN / Interchange Part Number. 023523998, 680371, E23523998, DDE23523998. For Detroit S60 12.7 Liter Engine. ·High Quality, Easy instal, Simple operation. ·Aluminum alloy improvement, Original manufacturing process. ·Original factory data construction. 1 X Accessory Drive (As shown in the picture). If the product received is not suitable for your Vehicle, please select “Doesn’t Fit my Vehicle” for the reason of return. Communication is the best way to solve problems.