This Secondary Air Injection Check Valve from Dorman (OE Solutions) is designed for the right placement on a vehicle. Made of cast aluminum material, it has a natural color/finish and measures 4.5 inches in length with a 0.563 inch inlet size. The valve type is diaphragm and has a maximum pressure rating of 5 PSI. It is not adjustable and comes with a mounting hole diameter of 6 MM.The package contents include one Secondary Air Injection Check Valve and one gasket. It is a universal fitment for performance/custom use and has an interchange part number of 06E131102B, 4V1301, DV172, EC6051. This check valve has a working temperature range of -40C to 125C and has a thread diameter of 6 MM. The product is suitable for use in Other Exhaust & Emission Parts and Exhaust & Emission Systems for Car & Truck Parts & Accessories.