Compare Maximum number of 4 items selected ACDelco Secondary Air Injection Check Valve - 214-2301 Part #: 214-2301 Line: ACD ACDelco Secondary Air Injection Check Valve 1 Year Limited Warranty Material: Plastic, Steel Height (in): 7-7/16 Inch Length (in): 10-1/2 Inch Width (in): 10-3/8 Inch Adjustable: No Number Of Ports: 1 Mount Hole Diameter (in): 1/4 Inch Outside Diameter Port 1 (in): 3/4 Inch Outside Diameter Port 1 (mm): 18mm Mount Hole Diameter (mm): 7mm Show More Show Less