This Dorman (HD Solutions) DPS is a perfect fit for Blue Bird Crane Carrier DPF Differential Pressure Sensor. It is made of durable plastic material and features an electric valve and two mount holes for easy installation. The sensor has a vacuum port quantity of two and is designed for use on the exhaust system of the vehicle. With OE/OEM part numbers of 2596655C1 and 4921730, this DPS is guaranteed to have no drilling required and 100% accuracy of fit. It is also easy to replace and comes with no universal fitment. This product is manufactured in China and is a great addition to your EGR Parts Valves and Exhaust Emission Systems categories. Exact item is shown. New open box without original packaging. Has 3 pin connector, two ports. No returns if installed. Made in China. This item is a new, opened customer return. It has been inspected and passed quality control to insure the condition described and contents are accurate. Please review actual photos as stock photos are not the actual item, our photos are. You will ONLY receive exactly what is shown in photos, regardless of what might have originally been included. Please review our business policies in our store for information regarding returns, shipping and warranties.