43mm O.D. Steel Radiator Coolant Filler Neck. 43mm O.D. Water inlet Stainless steel Radiator Filler Neck. 1pcs Radiator Coolant Filler Neck. Radiator filler neck materials：Steel. Radiator filler neck Size:Small.
This product would be ideal for applications requiring a 43mm O.D. steel radiator coolant filler neck and aluminum water tank with an inlet for water.
