This is a genuine CAT Caterpillar fuel water separator filter with part number 439-5037 or 4395037. It is compatible with Caterpillar excavators and has been manufactured in the United States. The filter is of unknown model year but has the brand name CAT.

It belongs to the category of heavy equipment parts and accessories and can be used for various industrial and business purposes. This filter has been designed to provide excellent fuel filtration and water separation, ensuring better engine performance and longevity.