Coronet > Automotive Specialty Fittings > Plastic Petcocks > Plastic Petcocks - Plastic Radiator Drain Cock > Advanced Search Advanced Search in Plastic Petcocks - Plastic Radiator Drain Cock Unit of Measure Imperial Metric Both Specifications Size No Preference 10 x 1.25 mm 10 x 1.50 mm 12 x 1.2 mm 12 x 1.25 mm 14 x 1.25 mm 14 x 2.0 mm 16 x 1.5 mm 5/8"-18 1/2"-18 13 mm Oversize Thread Clear Cancel Advanced Search