Part # 5177-001
Manufacturer Code 6573
Alternate Part #'s 6573, 35-231-1014
How do you know the filter size? Is it 20", 25" or bigger..where do you measure from? Is the o ring 1 size fits all? Is this o ring for w Cooper filters?
Hello, We would need a model number on your filter. If you are unsure, can you please provide a photo of the filter itself?
This o-ring is for W. Cooper unions, we would need the filter model to answer any other questions.