Webasto Solaire 4300/5300 Aftermarket Sunroof Motor. Webasto part number S1598-V-2000A-B. This motor has been thoroughly tested here at our facility to insure the motor is in good working order.  This motor has passed our thorough inspection.  We offer a full money back guarantee if you are not satisfied with your purchase.  Please contact  us with any questions that you may have.