Compare Maximum number of 4 items selected ACDelco Radiator Drain Petcock - 23444086 Part #: 23444086 Line: ACD ACDelco Radiator Drain Petcock Limited Lifetime Warranty Color: Red Material: Plastic Thread Size: M14 Thread Diameter (in): 9/16 Inch Thread Length (in): 1/2 Inch Thread Length (mm): 13mm Thread Diameter (mm): 14mm Gasket Or Seal Included: Yes Show More Show Less