928 613 183 00AM - 4Way Seat Switch - Backrest & Vertical - Aftermarket
4-Way Seat Switch - Backrest & Vertical - Rear (or Middle if you have Lumbar) - Left or Right - Aftermarket
If one seat or both seats have memory you need a different switch.
See 928 613 201 00 Left or 928 613 202 00 Right