I want to thank all of you that responded. This website & forum is great to say the least !!! I took a look at the Wix website and it looks like the 51760 that bc mentioned might be the right replacement.
Here's a picture of the old girl. before I got it, it had been well used and then fairly abused. Now it lives a life of semi-retirement. The filter in question is inside the large upright tube where the loader pivots.
Here's a picture of the old girl. before I got it, it had been well used and then fairly abused. Now it lives a life of semi-retirement. The filter in question is inside the large upright tube where the loader pivots.