I am searching this part, anyone can tell me where i can get it?
There is no replacement for this filter.
1r 1804 CAT
Baldwin BF1397-SP
I cannot cross reference it without knowing the brand of filter this number you list applies to.
Your local parts store can answer this question.
The WIX Number is 51734The Donaldson Number is P550371The Cat filters I find do not cross reference to a Filter the fits the threads of the 7.3L engine.
"What do you get when you cross a cat with a pickle?" is an old, silly joke. The answer is that you get a picklepuss.
Actually, it is good luck to cross a white cat.
It is impossible to cross a cat with a dog. The genes and chromosomes are incompatible.
It was a scardey cat!
A cactus cat.
A sourpus