See if this works with your machine
The main function of the Straight Stitch Needle Plate and Straight Stitch Foot is to keep thin fabrics from getting caught under your needle plate while you are straight stitching or free motion quilting. The Brother SA550 Straight Stitch Needle Plate and Straight Stitch Foot enhance the quality of your straight stitching.
Use Brother XD0826051 Straight Stitch Foot. Also use Brother XC8362251 Straight Stitch Needle Plate (ASSY A).
Part Number: SA550
Alternate Part Numbers: XD0826051 Straight Stitch Foot and XC8362251 Straight Stitch Needle Plate (ASSY A)
Guaranteed to fit because it is a part.