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 high-quality radiator inlet, such as automotive cooling systems.
