Trailer hitch Ball comes in various sizes.
1 7/8 inch ball - 2 1/8 inch shank. VW Part #: 7B0092775
2 inch ball - 2 1/8 inch shank. VW Part #: 7B0092775A
1 7/8 inch ball - 1 3/4 inch shank. VW Part #: 7B0092775B
2 inch ball - 1 3/4 inch shank. VW Part #: 7B0092775C

Sold only through your local dealership. Professional installation may be required at an additional charge. Prices may vary.