TN 363162 Squeegee Bumper Wheel for Tennant. This 4" diameter bumper wheel is mounted parallel to the floor and helps prevent damage to the rear squeegee frame. Fit models including M20, M30, T12, T16, T20, 515, 515SS, 8010, 7300 (optional), and 8300 (optional). Two wheels are usually required (one per end). Priced Each. Replaces 363162. Our Part Number TN 363162