Water inlet Radiator Filler Neck. 1 x Filler Neck. Breather thread:NPT1/16. High Standard 6061 Aluminum. Made of material, and practical to use. Size approx: ID 42mm, OD 56mm, H 25mm. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
This product would be ideal for automotive professionals who need to install neck filler hoses in vehicles with high standard aluminum engines, but require a high-quality finish.