This high-quality DEF Pump Assembly is specifically designed for Diesel Engines with Cummins brand. It comes with a list of interchange part numbers including 2115624PE, 2115624, 2208766, 2208766PE, 5506956CUM, A052Y, 5506956, 5506956RX, 4388105, and A06X234. The OE/OEM Part Numbers for this item are 2208766PE and 2115624PE. The part number for this assembly is 5506956RX and 5506956CUM. This item is not a vintage part and is perfect for those who need a reliable DEF Pump for their Diesel Engine.