FMSI > Brass Hardware > General Automotive Brass > Item # 4249 FMSIFMSI Brass HardwareBrass Hardware General Automotive BrassGeneral Automotive Brass Item # 4249 Item # 4249, 5/8" x 3/8 Brass Hose Barb to Pipe 42495/8" x 3/8 Brass Hose Barb to Pipe Request Information Email This Page Download PDF Download PDF Printable Page Close Window - Barb for 5/8" ID hose- 3/8 pipe thread- GM coolant hose coverage Specifications Hose I.D N/A 5/8" Male Thread N/A 3/8