Cummins DEF Doser Urea Pump Assembly Diesel Engine 5506956RX/4388105/5506956. 4388105, 5506956, 2115624, 2208766, 5506956RX. A06X234, 2208766PE, 5506956CUM, 2115624PE, A052Y. Will fit Following Models. For Cummins 5506956, 4388105 DEF Doser Pump. Durability & Reliability: Our products is designed to meet the highest standards of durability, ensuring long-lasting performance. ENHANCED PERFORMANCE: Enjoy a smoother, more comfortable ride with our high-quality equipped with components. E have a large amount of stock, and many products have not been released yet. You can give us your hairstyle number and we can help you find them. We are always here waiting for your message. It is our pleasure to offer any help. We believe good communicationwillprevent many troubles. We sincerely hope to provide our customers great products and service. If you are unsatisfied about anything, just tell us, we will solve the problem for you. Please kindly keep the packing materials until you assure the products are perfectly fit for your car Or machine and you will not return them. Thanks for your understanding and hope you enjoy your shopping!